Area Code 301-200 : Area Code 301-299 is your one-stop site for area code lookup, phone number lookup, and free phone number reviews. Following is reverse lookup detail & reviews for area code 301 2xx including 301 area code location map. Major cities such as Beltsville, Rockville, Washington, Fort Washington, Herndon covered within area code 301 2xx are also listed on this page. More area codes, including those outside of Maryland, United States of America, are on the homepage.

Reverse Lookup Detail for Area Code 301 2xx

Area code 301 covers part of Marylandstate, covering most of Montgomery, Prince George's, Charles, Frederick, Washington counties. It was started on Jan 01, 2000. This region follows US/Eastern + Daylight Savings timezone. Other popular area codes that belong to Maryland state include 240, 410, 443, 667.

Verified changes in Area Code 301 2XX

Date ChangedChange Details
Jun 01, 2014Area code 301-278 was introduced on May 20, 2013 and subscribers are operational from Jun 01, 2014.
May 04, 2014Area code 301-250 will be de-activated on May 04, 2014 for all subscribers.
Mar 21, 2014Area code 301-259 was introduced on Sep 24, 2007 and subscribers are operational from Mar 21, 2014.
Mar 21, 2014Area code 301-288 was introduced on Mar 25, 2011 and subscribers are operational from Mar 21, 2014.
Oct 11, 2013Area code 301-283 was introduced on Sep 12, 2013 and subscribers are operational from Oct 11, 2013.
Sep 18, 2013Area code 301-207 subscribers are operational from Sep 18, 2013.

Area Code 301-200 - Area Code 301-299 (Covers 301 2xx xxxx phone numbers)

Area CodeCityCountyPopulationNetwork Operator
301-200-4Mc LeanCharles146,551Level 3 Communications LLC - MD
301-200-0WashingtonCharles146, CLEC LLC - MD
301-200-3WashingtonCharles146,551MCImetro Access Transmission Services LLC
301-202-0BeltsvilleMontgomery971,777New Cingular Wireless PCS LLC - DC
301-202-3Mc LeanMontgomery971,777US LEC of Maryland Inc
301-202-4WashingtonMontgomery971, CLEC LLC - MD
301-202-9WashingtonMontgomery971,777YMax Communications Corporation - MD
301-203Fort WashingtonPrince George's863,420Verizon Maryland Inc
301-204-0BeltsvilleMontgomery971,777New Cingular Wireless PCS LLC - DC
301-204-8Chevy ChaseMontgomery971,777Verizon Maryland Inc
301-205-5HanoverHoward287,085Cavalier Telephone Mid-Atlantic LLC - MD
301-205-0MayoHoward287,085Verizon Maryland Inc
301-206LaurelPrince George's863,420Verizon Maryland Inc
301-207GreenbeltPrince George's863,420USA Mobility Wireless Inc
301-208GaithersburgMontgomery971,777Verizon Maryland Inc
301-209HyattsvillePrince George's863,420Verizon Maryland Inc
301-210BeltsvillePrince George's863,420Verizon Maryland Inc
301-211493,213Community Support And Referral Services
301-212-0BeltsvilleMontgomery971,777MetroPCS Inc
301-212-0GaithersburgMontgomery971,777Verizon Maryland Inc
301-213BeltsvilleMontgomery971,777Sprint Spectrum LP
301-214BethesdaMontgomery971,777Verizon Maryland Inc
301-215Chevy ChaseMontgomery971,777Verizon Maryland Inc
301-216GaithersburgMontgomery971,777Verizon Maryland Inc
301-217RockvilleMontgomery971,777Verizon Maryland Inc
301-218Upper MarlboroPrince George's863,420Verizon Maryland Inc
301-219BeltsvilleMontgomery971,777New Cingular Wireless PCS LLC - DC
301-220Berwyn HeightsPrince George's863,420Verizon Maryland Inc
301-221BeltsvilleMontgomery971,777New Cingular Wireless PCS LLC - DC
301-222-7BeltsvilleMontgomery971,777Omnipoint Communications Cap Operations LLC
301-222-0HerndonMontgomery971,777Cavalier Telephone Mid-Atlantic LLC - MD
301-223-3Mount AiryWashington147,430Core Communications Inc - MD
301-223-0WilliamsportWashington147,430Verizon Maryland Inc
301-224Chevy ChaseMontgomery971,777USA Mobility Wireless Inc
301-225-0WashingtonPrince George's863,420Teleport Communications America LLC - DC
301-226LandoverPrince George's863,420Verizon Maryland Inc
301-227BethesdaMontgomery971,777Verizon Maryland Inc
301-228FrederickFrederick233,385Verizon Maryland Inc
301-229BethesdaMontgomery971,777Verizon Maryland Inc
301-230RockvilleMontgomery971,777Verizon Maryland Inc
301-231RockvilleMontgomery971,777Verizon Maryland Inc
301-232-5Chevy ChaseMontgomery971,777Paetec Communications Inc - MD
301-232-0DamascusMontgomery971,777Core Communications Inc - MD
301-232-1Mc LeanMontgomery971,777US LEC of Maryland Inc
301-232-0RockvilleMontgomery971,777MCImetro Access Transmission Services LLC
301-233Annapolis JunctionMontgomery971,777Cellco Partnership dba Verizon Wireless - MD
301-234-0Fort WashingtonPrince George's863,420Verizon Maryland Inc
301-234-6Mc LeanPrince George's863,420Level 3 Communications LLC - MD
301-234-2WashingtonPrince George's863,420AT&T Local
301-235-0DamascusPrince George's863,420Core Communications Inc - MD
301-235-0WashingtonPrince George's863,420MCImetro Access Transmission Services LLC
301-236Silver SpringMontgomery971,777Verizon Maryland Inc
301-237BeltsvilleMontgomery971,777Sprint Spectrum LP
301-238-5Chevy ChasePrince George's863,420Paetec Communications Inc - MD
301-238-0Temple HillsPrince George's863,420Verizon Maryland Inc
301-239HyattsvillePrince George's863,420Verizon Maryland Inc
301-240GaithersburgMontgomery971,777Verizon Maryland Inc
301-241-2FrederickWashington147,430Comcast Phone of Northern Maryland Inc - MD
301-241-0HagerstownWashington147, CLEC LLC - MD
301-241-0HighfieldWashington147,430Verizon Maryland Inc
301-241-7MartinsburgWashington147,430Sprint Communications Company LP - MD
301-242-0DamascusPrince George's863,420Core Communications Inc - MD
301-242-5Mc LeanPrince George's863,420US LEC of Maryland Inc
301-242-0WashingtonPrince George's863,420MCImetro Access Transmission Services LLC
301-243-0BethesdaMontgomery971,777Verizon Maryland Inc
301-244-5AlexandriaMontgomery971,777Comcast Phone of Northern Maryland Inc - MD
301-244-7Chevy ChaseMontgomery971,777Paetec Communications Inc - MD
301-244-0Chevy ChaseMontgomery971,777TelCove Operations Inc - MD
301-244-2DamascusMontgomery971,777Core Communications Inc - MD
301-244-3HerndonMontgomery971,777Broadview Networks Inc - DC
301-244-9WashingtonMontgomery971, CLEC LLC - MD
301-244-0WashingtonMontgomery971,777XO Maryland LLC
301-245-0BittingerGarrett30,097Verizon Maryland Inc
301-245-3HagerstownGarrett30, CLEC LLC - MD
301-245-0Mount AiryGarrett30,097Core Communications Inc - MD
301-246-1DamascusCharles146,551Core Communications Inc - MD
301-246-0NanjemoyCharles146,551Verizon Maryland Inc
301-246-3WashingtonCharles146, CLEC LLC - MD
301-247BeltsvilleSt. Mary's105,151New Cingular Wireless PCS LLC - DC
301-248Fort WashingtonPrince George's863,420Verizon Maryland Inc
301-249Upper MarlboroPrince George's863,420Verizon Maryland Inc
301-250-3Annapolis JunctionMontgomery971,777Cellco Partnership dba Verizon Wireless - MD
301-250-8BeltsvilleMontgomery971,777New Cingular Wireless PCS LLC - DC
301-250-2RestonMontgomery971,777MCI Worldcom Communications Inc - MD
301-250-0RockvilleMontgomery971,777MCImetro Access Transmission Services LLC
301-250-1WashingtonMontgomery971,777Broadvox - CLEC LLC - DC
301-250-7WashingtonMontgomery971,777XO Maryland LLC
301-251RockvilleMontgomery971,777Verizon Maryland Inc
301-252BeltsvilleMontgomery971,777Sprint Spectrum LP
301-253DamascusMontgomery971,777Verizon Maryland Inc
301-254BeltsvilleMontgomery971,777Sprint Spectrum LP
301-255-0RockvilleMontgomery971,777Verizon Maryland Inc
301-256-8BeltsvillePrince George's863,420Omnipoint Communications Cap Operations LLC
301-256-0Mc LeanPrince George's863,420Level 3 Communications LLC - MD
301-256-0RockvillePrince George's863,420MCImetro Access Transmission Services LLC
301-256-6Station HillsPrince George's863,420Leap Wireless International Inc dba Cricket Communications Inc
301-257BeltsvilleMontgomery971,777Sprint Spectrum LP
301-258GaithersburgMontgomery971,777Verizon Maryland Inc
301-259-0NewburgCharles146,551Verizon Maryland Inc
301-259-5WashingtonCharles146, CLEC LLC - MD
301-259-3WashingtonCharles146,551Broadvox - CLEC LLC - DC
301-260-4LaurelMontgomery971,777tw telecom of maryland - MD
301-261AnnapolisHoward287,085Verizon Maryland Inc
301-261MayoHoward287,085Verizon Maryland Inc
301-262BowiePrince George's863,420Verizon Maryland Inc
301-263-4BeltsvilleMontgomery971,777Omnipoint Communications Cap Operations LLC
301-263-8LaurelMontgomery971,777VDL Inc dba Global Telecom Brokers - MD
301-264-2CumberlandAllegany75,087IDT America Corporation - MD
301-264-1Mount AiryAllegany75,087Core Communications Inc - MD
301-265-0Fort WashingtonPrince George's863,420Verizon Maryland Inc
301-266BeltsvilleCharles146,551New Cingular Wireless PCS LLC - DC
301-267-0BeltsvilleMontgomery971,777Sprint Spectrum LP
301-268CumberlandAllegany75,087USCOC of Cumberland Inc dba United States Cellular - MD
301-269DamascusMontgomery971,777USA Mobility Wireless Inc
301-270HyattsvilleMontgomery971,777Verizon Maryland Inc
301-271-8Mount AiryFrederick233,385Core Communications Inc - MD
301-272-7BeltsvilleMontgomery971,777New Cingular Wireless PCS LLC - DC
301-272-4BeltsvilleMontgomery971,777Sprint Spectrum LP
301-273-3AlexandriaMontgomery971,777Comcast Phone of Northern Maryland Inc - MD
301-273-0RockvilleMontgomery971,777MCImetro Access Transmission Services LLC
301-274-8HerndonCharles146,551ATX Telecommunications Services Ltd
301-274-7WashingtonCharles146,551Cavalier East LLC - MD
301-275BeltsvilleMontgomery971,777New Cingular Wireless PCS LLC - DC
301-276-1AdelphiPrince George's863,420Cellco Partnership dba Verizon Wireless - MD
301-276-7WashingtonPrince George's863, CLEC LLC - MD
301-277HyattsvillePrince George's863,420Verizon Maryland Inc
301-278-6AdelphiPrince George's863,420Cellco Partnership dba Verizon Wireless - MD
301-278-0LaurelPrince George's863,420Quantum Telecommunications Inc - MD
301-278-8WashingtonPrince George's863, CLEC LLC - MD
301-279RockvilleMontgomery971,777Verizon Maryland Inc
301-280Chevy ChaseMontgomery971,777Verizon Maryland Inc
301-281-7BeltsvillePrince George's863,420Omnipoint Communications Cap Operations LLC
301-281-0RockvillePrince George's863,420MCImetro Access Transmission Services LLC
301-282FairlandMontgomery971,777Verizon Maryland Inc
301-283-9BeltsvillePrince George's863,420Omnipoint Communications Cap Operations LLC
301-284-4HerndonMontgomery971,777Broadview Networks of Virginia Inc - VA
301-284-8WashingtonMontgomery971, CLEC LLC - MD
301-285Silver SpringMontgomery971,777Verizon Maryland Inc
301-286Berwyn HeightsPrince George's863,420Verizon Maryland Inc
301-287-8HerndonMontgomery971,777ATX Telecommunications Services Ltd
301-288-7AlexandriaMontgomery971,777Comcast Phone of Northern Maryland Inc - MD
301-288-8HerndonMontgomery971,777Broadview Networks Inc - DC
301-288-0RockvilleMontgomery971,777MCImetro Access Transmission Services LLC
301-289-0RockvillePrince George's863,420MCImetro Access Transmission Services LLC
301-290-4DamascusSt. Mary's105,151Core Communications Inc - MD
301-290-2WashingtonSt. Mary's105,151Cavalier East LLC - MD
301-291-0RockvillePrince George's863,420MCImetro Access Transmission Services LLC
301-292Fort WashingtonPrince George's863,420Verizon Maryland Inc
301-293FrederickFrederick233,385Verizon Maryland Inc
301-294RockvilleMontgomery971,777Verizon Maryland Inc
301-295BethesdaMontgomery971,777Verizon Maryland Inc
301-296-6AlexandriaMontgomery971,777Comcast Phone of Northern Maryland Inc - MD
301-297-0Fort WashingtonPrince George's863,420Verizon Maryland Inc
301-298-0DamascusPrince George's863,420Core Communications Inc - MD
301-298-4Upper MarlboroPrince George's863,420Verizon Maryland Inc
301-299BethesdaMontgomery971,777Verizon Maryland Inc

Recent Free Phone Number Reviews in Area Code 301 2xx

No reviews yet.

Verified phone numbers in Area Code 301

Map for area code 301 2xx  

Loading Map

Current Time in 301-2 Area Code

  • :
  • :

301 Area Code

At, you'll find current information on 301area code, including 301 area code location & map. Other phone area code may be searched using's area code locator service on the homepage. Use the phone number search function above to instant verify area code lookup & phone number lookup.

Maryland Area Codes Directory provides a free area codes directory with detailed information on the various USA area codes, area codes listing, and other area codes phone details. also lists international area codes within the North American Numbering Plan. And you can verify owners of phone numbers using the reverse number lookup service by entering a 10 digit phone number in the top most text box.

301 Area Code Finder

Find area codes by using's area code finder. provides an area codes location map service for area codes of USA. When using these maps, please note that area zip codes are different than phone number area codes used for calling.

Maryland Area Code Lookup is an excellent resource for area code lookup and reverse number lookup. Here you'll find area codes, city, county, population & operator list table of area codes within the United States. Also, you can verify owners of phone numbers with full name & address information for background check. For a full list of area codes, visit home page. It provides drilldown for USA area codes and area code location maps.

Reverse Phone Number Verification

Find owner information using the reverse phone number search function on With phone number search function, you can find owner information & detailed area codes information in the United States.

Telephone/Landline Area Codes is a resource of North American telephone area codes. Beyond area code listings, relevant information about each area code is detailed. For example, this page details area code 301-2. You can also search area codes by state, and within the NANP, find country area codes.

Free Area Codes Locator for Maryland

The area codes locator shows the coverage area for each phone number area code. Area code locations are also listed by city next to the area code maps on this page. Also, read reviews within an area code.

301 Area Code Reviews provides local reviews for phone numbers and aggregates results per area code. It shows you the area code location covered by each area code; for example, the LA area code reveiws covers local business phone numbers area in Los Angeles. This page details area code 301-2. All USA states area codes may be found using

Telephone Area Codes in Maryland

The telephone area code prefixes local phone numbers & is not required to be dialed. For area codes by city, search Area codes telephone differ from region to region, and in some places the area code must be dialed even when calling locally within that region. Find out more with area code decoder.

External links & resources for area code 301 in Maryland

  • CitySites Pages for Maryland (Source: Official CitySites)
  • Wikipedia Article on Area Code 301 (Source: Wikipedia)
  • State Information Resources for Maryland (Source: State Information)