301 area code – search to find any full phone number. Report includes demographic information for 301 in Silver spring, MD. No credit card required! ... Phone Prefixes in the 301 Area Code (301) 2XX (301) 3XX (301) 4XX (301) 5XX (301) 6XX (301) 7XX (301) 8XX (301) 9XX. Information for Area Code 301. State: MDArea Code 301 is one of the original area codes created in the NANP (North American Numbering Plan). It was introduced in 1947 to serve the entire state of Maryland. At first, the 301 area code was split to form area code 410. In 1997, the 301 area code overlaid with the 240 area code.Follow these steps to unlock your phone. Power off your phone. Take out your current SIM card. Power on your phone. The phone will ask for the restriction codes. Enter the exact characters of the restriction code you were given, including any special characters. Depending on your model of phone, you may need to press the * key multiple times to ...With that in mind, the Federal Trade Commission says you should never call back numbers in these area codes: 268: Antigua and Barbuda. 284: British Virgin Islands. 473: Grenada, Carriacou and Petite Martinique. 664: Montserrat. 649: Turks and Caicos Islands. 767: Commonwealth of Dominica.Top searched (301) phone numbers. Most frequently searched (301) phone numbers in the past 24 hours. (301) 301-9117. 84 searches (301) 301-9112 ... Area code 301 serves the western and southern parts of Maryland, including cities like Bethesda, Rockville, and Gaithersburg. The region offers a blend of suburban and rural landscapes.Mar 28, 2024 · Here are examples of three of the most common scams out there today and how to block these spam calls. 1. One-Ring Scams. Scammers use one-ring scams to get you, the victim, to call back. The scammers use robo-dialers to call you and hang up after just one ring. Area Codes for the Largest Cities in Ohio. Akron 234,330. Alliance 234,330. Amherst 440. Avon 440. Avon Lake 440. Bay Village 440. Beach City 330. Beachwood 216.Extended search being performed may take a significant time so a forking proxy must send a 100 Trying response. [1] : §21.1.1. 180 Ringing. Destination user agent received INVITE, and is alerting user of call. [1] : §21.1.2. 181 Call is Being Forwarded. Servers can optionally send this response to indicate a call is being forwarded. [1 ...Addresses, phone numbers and electronic contact form for Mayo Clinic campuses in Arizona, Florida and Minnesota. ... 480-301-8484; Insurance and billing: 844-217-9591 (toll-free) 507-266-0909 for international callers; International Patients Center: 480-301-7101: Medical records and imaging requests:301 Area Code. W Maryland. April 21, 2024. U.S. STATE Capitals: Learn the state capitals | Take the State Capitals Quiz. 301 Prefixes/Exchanges. Prefix. Location. …301 Area Code Phone Directory. Phone Prefixes in the 301 Area Code. (301) 2XX (301) 3XX (301) 4XX (301) 5XX (301) 6XX (301) 7XX (301) 8XX (301) 9XX. Information for …Renumbered from Occupations Code, Section 301.353 by Acts 2007, 80th Leg., R.S., Ch. 921 (H.B. 3167), Sec. 17.001(57), eff. September 1, 2007. Sec. 301.356. REFUSAL OF MANDATORY OVERTIME. The refusal by a nurse to work mandatory overtime as authorized by Chapter 258, Health and Safety Code, does not constitute patient …A full UK phone number, or just an area code or other dialling code. Telephone numbers and dialling codes must start with an '0'. E.g. 01632 960008; An access/short code, which starts with '1'. E.g. 100; An exchange name, optionally followed by a local phone number or dialling code on that exchange. E.g. Anytown 80819To faciltiate the millions of phone users, ... On January 1, 1947, the first North American area codes were issued in regions where standard 7 digit dialing codes were scheduled to be exhaused the soonest. ... 301, 410: Maine: 207: Michigan: 231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 989:1. Dial the international access code. 2. Enter the UK country code (44) 3. Dial the local 020 London Greater, without the first zero. 4. Enter the remaining telephone number. Find area codes from across the UK with our handy directory of dialling codes available at …3 days ago · 301-998. WSNGTNZN11, MD. VERIZON MARYLAND, INC. 301-999. VERIZON MARYLAND, INC. [UNASSIGNED] Back to top ». Area code 301 is located in W Maryland and includes Silver Spring. View the 301 area code map, major cities, location, timezone and more on TeraCodes.com. The 301 Area Code is located in the state of Maryland. Area Code 301 is one of the 325 3-digit telephone area codes in the USA. We have roughly 1,304,142 unique phone numbers and 2,514,919 individuals near the cities of Germantown, MD; Silver Spring, MD and Waldorf, MD in the database. Find area codes from across the UK with our handy directory of dialling codes available at BT Phone Book. Browse businesses by name or type online today. Current Time for each Area Code. Client: Tue Apr 23 2024 13:21:20 GMT-0700 (Pacific Daylight Time) Printable Area Code Time Zone Chart (pdf) USA Canada. Area Code. Current Time. Region. 201.Find all NPA NXX used in geographic area. This lookup uses the North American NPA NXX Rate Center Edition Database to determine the telephone exchange Rate Centers, area codes (NPA), and prefixes (NXX) used in the area surrounding any United States, Canadian, or Caribbean location. This lookup is used to find the active telephone …Bethesda, MD Area Codes: List, Map, and Phone Lookup. Area Codes >. Maryland >. Bethesda. The city of Bethesda is in the state of Maryland. It has the following active area codes: 240. 301.Complete resource on dialing to the United States of America: country code, mobile and geographic area codes, phone number format and other helpful information. HowtoCallAbroad.com Toggle navigation. Home; ... 301/240/227: Baltimore, Columbia, Dundalk, Ellicott City, Towson: 410/443/667: Maine: Statewide: 207: Michigan: In 1997 area codes 301 was overlaid with area code 240. Area code 227 was put into service as a distributed overlay of area codes 240 and 301 in Maryland on 06/14/23. Ten digit dialing (area code + seven digit number) is necessary in the 227/240/301 overlay because different homes in the same geographic area can have the same seven digit phone ... The 0141 area code will allow you to make calls to Glasgow from wherever in the world you are. For those who wish to call Glasgow from abroad, follow these simple steps: 1. Dial the international access code. 2. Enter the UK country code (44) 3. Dial the local 0141 Glasgow, without the first zero. 4.The Maryland Public Service Commission has announced a new area code — 227 — that will serve the same locations as the 240 and 301 area codes. The 240 and 301 calling area serves residents and ...6 days ago · 72508 AM. Thursday, April 18, 2024. 301 is an area code located in the state of Maryland, US. The largest city it serves is Baltimore. Location, time zone and map of the 301 area code. Local time. 7:25:08 AM, Thursday 18, April 2024 EDT. Time difference to GMT/UTC. Daylight Saving Time 2024 (Summer Time) DST starts on Sunday 10 March 2024, 02:00. 301 Area Code 🌍☎️. The 301 Area Code is located in the state of Maryland. Area Code 301 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,744,994 unique phone numbers and 2,165,195 individuals near the cities of Silver Spring, Rockville, and Hyattsville. 1-270-301-XXXX is a Landline prefix hosted by the carrier Level 3 Communications, Llc - Ky. It includes 48 phone numbers. The city is Bowling Green within Warren County. This number is from the 42101 Zip Code. 48 results found for 1-270-301 Area code 301 belongs to Maryland, UNITED STATES. It is a General Purpose Code which was placed in service on Jan 01, 1947. (301) has 678 prefixes with phone numbers found in the U.S. federal and non-federal datasets.Renumbered from Occupations Code, Section 301.353 by Acts 2007, 80th Leg., R.S., Ch. 921 (H.B. 3167), Sec. 17.001(57), eff. September 1, 2007. Sec. 301.356. REFUSAL OF MANDATORY OVERTIME. The refusal by a nurse to work mandatory overtime as authorized by Chapter 258, Health and Safety Code, does not constitute patient …301 : Calling Cards to Colombia : Calling Instructions for Colombia ... For Domestic Calls in the U.S., Canada & Caribbean: 1+ area code + the phone number. 4. For international calls: 011 + Country code + city code + The phone number. if you are not using our calling cards you can skip step 1 & 2 : Best Selling Phone Cards to Colombia: Area Code 301 has 781 prefixes. Broadwing Communications. Llc - Md. Browse area code 301 phone numbers, prefixes and exchanges. The 301 area code serves Washington, Beltsville, Silver Spring, Hyattsville, Hagerstown, covering 95 ZIP codes in 16 counties. The 0141 area code will allow you to make calls to Glasgow from wherever in the world you are. For those who wish to call Glasgow from abroad, follow these simple steps: 1. Dial the international access code. 2. Enter the UK country code (44) 3. Dial the local 0141 Glasgow, without the first zero. 4.Our service simplifies the process of obtaining a temporary number for any purpose, ensuring a seamless and efficient experience. Explore our reliable phone number generator for secure, disposable phone numbers. Ideal for SMS verification, our service offers temporary, burner, and virtual mobile numbers for privacy-focused online verification.In HTTP, redirection is triggered by a server sending a special redirect response to a request. Redirect responses have status codes that start with 3, and a Location header holding the URL to redirect to.. When browsers receive a redirect, they immediately load the new URL provided in the Location header. Besides the small …Nokia 301 android secret codes to access the hidden features of the phone and get detailed information about the health of your phone. ... Nokia secret codes *#06# - IMEI (International Mobile Equipment Identity) number GSM codes for Nokia 301 Change PIN code - **04* and enter the old PIN code, and twice a new PIN code. ...A 301 Permanent Redirect is an HTTP response status code that indicates the new location of a requested resource; this new location URL is to be used with future requests. In search engines, 301 redirects are used to help direct web traffic from one page to another and communicate ‘moved permanently’ messages between servers and …Area Code 301 has 781 prefixes. Broadwing Communications. Llc - Md. Browse area code 301 phone numbers, prefixes and exchanges. The 301 area code serves Washington, Beltsville, Silver Spring, Hyattsville, Hagerstown, covering 95 ZIP codes in 16 counties.Area code 301 is in Maryland covering Germantown , along with Accident, Accokeek and 310 towns and cities. 301 Area Code Phone Lookup. 301 - Search. 203/475. + −. Leaflet | …202. The North American Numbering Plan in 1947 assigned this original area code to Washington, D.C., in 1947. It covers the entire district. 301. Maryland's west and panhandle, it includes all Maryland suburbs of Washington, D.C., and cities like Germantown, Silver Spring, Waldorf, Frederick, Rockville, Bethesda, and Gaithersburg. 703.Maryland originally had one area code, 301, when the numbering system was established in 1947. It was not until forty-four years later in 1991 that Maryland experienced sufficient growth in population and telephone use to need an additional area code. To meet this increase in demand area code 301 was split to form area code 410.When the original phone systems were put in place, 7-digit dialing (without the area code) could be used to make local calls, and 10-digit dialing (with the area code) only needed to be used for long distance calls. In 1997, area code 301 was introduced as the firstYou may be the target of a "one-ring" phone scam. One-ring calls may appear to be from phone numbers somewhere in the United States, including three initial digits that resemble U.S. area codes. But savvy scammers often use international numbers from regions that also begin with three-digit codes – for example, "232" goes to Sierra Leone and ...Area Code 301 phone numbers. In Service Since 1947. Primarily serving the state of Maryland • Across 16 counties and 95 zip codes. Major Cities Served: Washington • …Area code 301 belongs to Maryland, UNITED STATES. It is a General Purpose Code which was placed in service on Jan 01, 1947. (301) has 678 prefixes with phone numbers found in the U.S. federal and non-federal datasets. Reverse lookup areas codes by phone number and auto-detect your own area code by location. Area Codes. List by Country/State; ... 240, 301, 410, 443, 667: Massachusetts: On the World Wide Web, HTTP 301 is the HTTP response status code for 301 Moved Permanently.It is used for permanent redirecting, meaning that links or records returning this response should be updated. The new URL should be provided in the Location field, included with the response. The 301 redirect is considered a best practice for upgrading …240 Area Code. Area code 240 serves the state of Maryland. This area code was assigned on June 21st, 1996. On June 1st, 1997 it went into service. 240 is a General Purpose Code. 240 service area does overlap with 301 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D. What Is Area Code 301? 301 is a Maryland telephone area code. It was one of the original area codes established in 1947. The area code covers the northwestern suburbs of Washington, D.C., including Montgomery County and most of Prince George's County. Country Dialling Code +60: Search for and report possible spam calls from Malaysia. Received a missed or unknown call starting with the international dialing code +60. ... March 13, 2024 was the day with the highest activity due to 14 reports for phone numbers with the country code +60. Phone Numbers from Malaysia with currently high …Area Code 301 >> Phone Area Code >> Maryland Area Code. What is an Area Code? An area code is a section of a telephone number that denotes the broad area that the phone … Reverse lookup areas codes by phone number and auto-detect your own area code by location. Area Codes. List by Country/State; ... 240, 301, 410, 443, 667: Massachusetts: 301 is a permanent redirect, and 302 is a temporary redirect. The browser is allowed to cache the 301 but 302 means it has to hit our system every time. assuming that we want to minimize the load on our system, 301 is the right decision. Imagine creating URL shortening service for a big company, we try to get as less hit to our servers by the ...About SpamCalls.net Search for Phone Numbers and identify unwanted Calls. Recognize Spam Calls (Ping Calls, Robocalls) with the phone number reverse search / caller id lookup. ... +234 (Country Code) +62 (Country Code) +61 (Country Code) +61 (Country Code) +61 (Country Code) +49 (Country Code) +41 (Country Code) +253 …Top searched (301) phone numbers. Most frequently searched (301) phone numbers in the past 24 hours. (301) 301-9117. 84 searches (301) 301-9112 ... Area code 301 serves the western and southern parts of Maryland, including cities like Bethesda, Rockville, and Gaithersburg. The region offers a blend of suburban and rural landscapes.unauthorised use. You can set your phone to ask for the lock code. that you define. The default lock code is 12345. Keep the code secret and in a safe place, separate from your phone. If you forget the code and your phone is locked, your …Renumbered from Occupations Code, Section 301.353 by Acts 2007, 80th Leg., R.S., Ch. 921 (H.B. 3167), Sec. 17.001(57), eff. September 1, 2007. Sec. 301.356. REFUSAL OF MANDATORY OVERTIME. The refusal by a nurse to work mandatory overtime as authorized by Chapter 258, Health and Safety Code, does not constitute patient … 1-301-200-XXXX is a Landline prefix hosted by the carrier Bandwidth.com Clec, Llc - Md. It includes 297 phone numbers. The city is Washington within District of Columbia County. This number is from the 20009 Zip Code. 297 results found for 1-301-200 On the World Wide Web, HTTP 301 is the HTTP response status code for 301 Moved Permanently.It is used for permanent redirecting, meaning that links or records returning this response should be updated. The new URL should be provided in the Location field, included with the response. The 301 redirect is considered a best practice for upgrading … Area Code 301 has 781 prefixes. Broadwing Communications. Llc - Md. Browse area code 301 phone numbers, prefixes and exchanges. The 301 area code serves Washington, Beltsville, Silver Spring, Hyattsville, Hagerstown, covering 95 ZIP codes in 16 counties. Renumbered from Occupations Code, Section 301.353 by Acts 2007, 80th Leg., R.S., Ch. 921 (H.B. 3167), Sec. 17.001(57), eff. September 1, 2007. Sec. 301.356. REFUSAL OF MANDATORY OVERTIME. The refusal by a nurse to work mandatory overtime as authorized by Chapter 258, Health and Safety Code, does not constitute patient …Area code 301 belongs to Maryland, UNITED STATES. It is a General Purpose Code which was placed in service on Jan 01, 1947. (301) has 678 prefixes with phone numbers found in the U.S. federal and non-federal datasets.Our service simplifies the process of obtaining a temporary number for any purpose, ensuring a seamless and efficient experience. Explore our reliable phone number generator for secure, disposable phone numbers. Ideal for SMS verification, our service offers temporary, burner, and virtual mobile numbers for privacy-focused online verification.202. The North American Numbering Plan in 1947 assigned this original area code to Washington, D.C., in 1947. It covers the entire district. 301. Maryland's west and panhandle, it includes all Maryland suburbs of Washington, D.C., and cities like Germantown, Silver Spring, Waldorf, Frederick, Rockville, Bethesda, and Gaithersburg. 703.Wisconsin. (1)715. Wisconsin. (1)920. Wyoming. (1)307. Find all phone codes for the US at Rebtel.com - All USA's dialling codes and more information about calling to the USA.Phone numbers in the 301 area code can be found in 86 cities or locations. Those phone numbers can be found in the following cities or locations: Accident, Adamstown, Annapolis, Ashton, Avenue, Baltimore, Beltsville, Bethesda, Bittinger, Bowie, Brandywine, Brunswick, Bryans Road, Cabin John, ...Lookup phone numbers & find out more about who is calling you. 411. 411 reverse phone lookup service is free. Enter a phone number, search and find the phone owner’s full name, address and more. Find out who called you.Area Code 301 >> Phone Area Code >> Maryland Area Code. What is an Area Code? An area code is a section of a telephone number that denotes the broad area that the phone …You may be the target of a "one-ring" phone scam. One-ring calls may appear to be from phone numbers somewhere in the United States, including three initial digits that resemble U.S. area codes. But savvy scammers often use international numbers from regions that also begin with three-digit codes – for example, "232" goes to Sierra Leone and ...202. The North American Numbering Plan in 1947 assigned this original area code to Washington, D.C., in 1947. It covers the entire district. 301. Maryland's west and panhandle, it includes all Maryland suburbs of Washington, D.C., and cities like Germantown, Silver Spring, Waldorf, Frederick, Rockville, Bethesda, and Gaithersburg. 703.Bethesda, MD Area Codes: List, Map, and Phone Lookup. Area Codes >. Maryland >. Bethesda. The city of Bethesda is in the state of Maryland. It has the following active area codes: 240. 301.What is area code 301 and what location is it coming from? The telephone area code 301 was created for the entire U.S. state of Maryland. It covers the Western …202. The North American Numbering Plan in 1947 assigned this original area code to Washington, D.C., in 1947. It covers the entire district. 301. Maryland's west and panhandle, it includes all Maryland suburbs of Washington, D.C., and cities like Germantown, Silver Spring, Waldorf, Frederick, Rockville, Bethesda, and Gaithersburg. 703.Area Code 301 has 781 prefixes. Broadwing Communications. Llc - Md. Browse area code 301 phone numbers, prefixes and exchanges. The 301 area code serves Washington, Beltsville, Silver Spring, Hyattsville, Hagerstown, covering 95 ZIP codes in 16 counties.Area Code 301 phone numbers - Page 2 . State: Maryland . In service since: 1947 Landlines: 636 Wireless prefixes: 145 Carriers: 37 Counties: 16 ZIP codes: 95 Major cities: Washington, Beltsville, Silver Spring, Hyattsville, Frederick . Area Code 301 has 700 prefixes. Prefix County City Carrier;Boone. Integrated Path Communications, Llc - Ia. 1-515-501. 1-515-502. Browse area code 515 phone numbers, prefixes and exchanges. The 515 area code serves Des Moines, Urbandale, Johnston, Ames, Gowrie, covering 90 ZIP codes in 19 counties.Nov 3, 2023 · The numbers are a sampling of over 150,000 dubious phone numbers reported by users in the past few years. The report also includes an interactive U.S. map revealing the most common area codes ... Changes and History of Maryland Area Codes: 01/01/1947 Area code 301 was put into service. In 1991 area code 301 was split to form area code 410. In 1997 area codes 301 was overlaid with area code 240. 10/06/1991 Area code 410 was put into service. Area code 410 was created from a split of area code 301. In 1997 area code 410 was overlaid with ... Area Code 301 has 781 prefixes. Broadwing Communications. Llc - Md. Browse area code 301 phone numbers, prefixes and exchanges. The 301 area code serves Washington, Beltsville, Silver Spring, Hyattsville, Hagerstown, covering 95 ZIP codes in 16 counties.Area code 301 is located in western Maryland and covers Germantown, Silver Spring, Waldorf, Frederick, and Rockville. It has a single overlay (240) that serves the same … Area codes 301 and 240. Area codes 301 and 240 are area codes that are part of Maryland. Area code 301 is one of the earliest area codes that were made in 1947. It initially covered the entire state until 1991, which is when it was split by 410, [1] which covers the eastern part of the state, while 301 now covers the western portion of the ... Area Codes Search Notes. Fixed phone numbers in the United States are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly. Browse our sites area and region codes by state and city to ensure you have the …Area Codes for the Largest Cities in Ohio. Akron 234,330. Alliance 234,330. Amherst 440. Avon 440. Avon Lake 440. Bay Village 440. Beach City 330. Beachwood 216.Most frequently searched (301) phone numbers in the past 24 hours. (301) 301-9132. 201 searches (301) 301-9124. 52 searches (301) 635-9267. 9 searches ... Montgomery County, covered by area code 301, is one of the most affluent counties in the United States, with a strong focus on education and a highly educated population.
Area code 301 is located in W Maryland and includes Silver Spring. View the 301 area code map, major cities, location, ... CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD . 9/20/11. 301-330. GAITHERSBG, MD. VERIZON MARYLAND, INC. 301-331. HAGERSTOWN, MD. NEW CINGULAR WIRELESS .... Zorp
The 301 Area Code is located in the state of Maryland. Area Code 301 is one of the 325 3-digit telephone area codes in the USA. We have roughly 1,304,142 unique phone numbers and 2,514,919 individuals near the cities of Germantown, MD; Silver Spring, MD and Waldorf, MD in the database. Dec 12, 2023 · How to Call A Phone Number with the 202, 301, and 703 Area Codes? You may dial any phone number with the 202, 301, and 703 area codes by following these two simple steps – In this situation, dial 202, 301, and 703 on your phone, which is the area code. Then dial the seven-digit phone number. That is all you need to do! Most current and detailed information for Idaho area codes and telephone prefixes / exchanges and associated cities and towns. Area Codes Country Codes Zip Codes Telecoms. Area Codes Country Codes Zip Codes ... 208-301. MOSCOW, ID. NEW CINGULAR WIRELESS PCS, LLC . 208-302. BOISE, ID. QWEST CORPORATION . … The 202, 301, and 703area codes are the places to be. There are two Fortune 500 companies in Washington DC. The first is Fannie Mae, which came in at #21 on the 2018 list, and the second is Danaher, which was ranked #162. In addition to these, area code 212, 301, and 703 is also home to two companies on the Fortune 1000 list. The 301 area code is a telephone area code in the North American Numbering Plan (NANP) for parts of Maryland, including Montgomery County and Prince …Each US area code may contain up to 7,919,000 phone numbers, and formats are always NPA-NXX-XXXX: ... 301 Maryland ; 302 Delaware ; 303 Colorado ; 304 West Virginia ; 305 Florida ; 307 Wyoming ; 308 Nebraska ; 309 Illinois ; 310 California ; 312 Illinois ; 313 Michigan ; 314 Missouri ; 315 New York ;The 301 area code is a telephone area code in the North American Numbering Plan (NANP) for parts of Maryland, including Montgomery County and Prince …Country Dialling Code +60: Search for and report possible spam calls from Malaysia. Received a missed or unknown call starting with the international dialing code +60. ... March 13, 2024 was the day with the highest activity due to 14 reports for phone numbers with the country code +60. Phone Numbers from Malaysia with currently high …The 301 Area Code is located in the state of Maryland. Area Code 301 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,744,994 unique phone …Area codes 301, 240, and 227 are telephone area codes in the North American Numbering Plan (NANP) for the western part of the U.S. state of Maryland. The numbering plan area (NPA) comprises Maryland's portion of the Greater Washington, D.C. metro area, portions of southern Maryland, along with rural … See more The 301 Area Code is located in the state of Maryland. Area Code 301 is one of the 325 3-digit telephone area codes in the USA. We have roughly 1,304,142 unique phone numbers and 2,514,919 individuals near the cities of Germantown, MD; Silver Spring, MD and Waldorf, MD in the database. Area Code 301 has 781 prefixes. Broadwing Communications. Llc - Md. Browse area code 301 phone numbers, prefixes and exchanges. The 301 area code serves Washington, Beltsville, Silver Spring, Hyattsville, Hagerstown, covering 95 ZIP codes in 16 counties.Area Code 301 has 781 prefixes. Broadwing Communications. Llc - Md. Browse area code 301 phone numbers, prefixes and exchanges. The 301 area code serves Washington, Beltsville, Silver Spring, Hyattsville, Hagerstown, covering 95 ZIP codes in 16 counties.Wisconsin. (1)715. Wisconsin. (1)920. Wyoming. (1)307. Find all phone codes for the US at Rebtel.com - All USA's dialling codes and more information about calling to the USA..