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301 Area Code Prefixes Directory

Choose a prefix to view phone numbers and related information

Bandwidth.com Clec
Carrier

Coverage Area
Cities: Indian Head

New Cingular Wireless PCS - DC
Carrier

Coverage Area
Counties: , Montgomery, Washington, Frederick, Garrett
Cities: Chevy Chase, Bethesda, Waldorf, Oxon Hill, Hagerstown, Silver Spring, Frederick, Oakland, Rockville, Keedysville, Myersville, Cumberland

Verizon Maryland
Carrier

Coverage Area
Counties: , Frederick, Montgomery, Howard, Garrett, Charles, Washington, Allegany, Calvert, Carroll, Saint Marys, Baltimore City, Anne Arundel
Cities: Fort Washington, Edgewater, Laurel, Gaithersburg, Hyattsville, Beltsville, Rockville, Chevy Chase, Bowie, Greenbelt, Williamsport, Glen Echo, Frederick, Silver Spring, Temple Hills, Highfield, Bethesda, Bittinger, Nanjemoy, Damascus, Issue, Ashton, Glenn Dale, Mount Savage, Hughesville, Bryans Road, Mechanicsville, Myersville, College Park, Columbia, Capitol Heights, Oakland, Patuxent River, Poolesville, Westernport, Middletown, Brandywine, Hollywood, Waldorf, Swanton, La Plata, Hagerstown, Suitland, Lanham, Keedysville, Kitzmiller, Lonaconing, Leonardtown, Oldtown, Upper Marlboro, Oxon Hill, Landover, Clinton, New Market, Hancock, Frostburg, Cumberland, Lexington Park, Indian Head, Accident, Mccoole, North Beach, Smithsburg, Mount Airy, Adamstown, Brunswick, Clear Spring, Walkersville, Ridge, Baltimore, Grantsville, Odenton, Kensington, Annapolis, Valley Lee

Usa Mobility Wireless
Carrier

Coverage Area
Counties: , Montgomery
Cities: Greenbelt, Chevy Chase, Waldorf, Bethesda, College Park

Sprint Spectrum L.p.
Carrier

Coverage Area
Counties: , Washington, Frederick, Montgomery, Prince Georges
Cities: Beltsville, Gaithersburg, Greenbelt, Hagerstown, Frederick, Capitol Heights, Waldorf, Myersville, Leonardtown, Tall Timbers, Bethesda, Mount Rainier

Cavalier Telephone Mid-atlantic
Carrier

Coverage Area
Counties: Montgomery,
Cities: Bethesda, Greenbelt, Rockville

Teleport Communications America - DC
Carrier

Coverage Area
Counties: , Prince Georges, Charles
Cities: Glenn Dale, Rockville, Mount Rainier, La Plata, Waldorf, Laurel, Gaithersburg, Sandy Spring, Indian Head, Damascus, Poolesville, Brandywine

Mci Worldcom Communications
Carrier

Coverage Area
Counties: , Prince Georges, Frederick, Montgomery
Cities: Sandy Spring, Rockville, Laurel, Silver Spring, Hyattsville, Mount Rainier, Oxon Hill, College Park, Gaithersburg, Kensington, Frederick, Capitol Heights, Bethesda

Mcimetro Access Transmission Services LLC
Carrier

Coverage Area
Cities: Clinton, Brandywine, Hyattsville, Gaithersburg, Laurel, Silver Spring

Telcove Operations
Carrier

Coverage Area
Cities: Rockville

Uscoc Of Cumberland DBA United States Cel Md
Carrier

Coverage Area
Counties: , Washington, Garrett
Cities: Cumberland, Hagerstown, Oakland

Comcast Phone Of Northern Maryland
Carrier

Coverage Area
Counties: Frederick, , Prince Georges
Cities: Frederick, Upper Marlboro, Silver Spring, Laurel, Mount Rainier, Oxon Hill, Brunswick

Paetec Communications
Carrier

Coverage Area
Cities: Hyattsville, Silver Spring, Gaithersburg

Tw Telecom Of Maryland LLC
Carrier

Coverage Area
Counties: , Prince Georges
Cities: Laurel, Mount Rainier

Omnipoint Communications Cap Operations
Carrier

Coverage Area
Counties: , Frederick
Cities: Silver Spring, Frederick

Idt America Corp
Carrier

Coverage Area
Cities: Cumberland, Leonardtown

Vdl DBA Global Telecom Brokers
Carrier

Coverage Area
Cities: Laurel

Level 3 Communications
Carrier

Coverage Area
Counties: , Carroll, Montgomery
Cities: Upper Marlboro, Damascus, Rockville, Mount Airy, Waldorf, Laurel, Bethesda, Cabin John, Glenn Dale, Oxon Hill, Cumberland, Tall Timbers

Quantum Telecommunications
Carrier

Coverage Area
Cities: Gaithersburg

Starpower Communications
Carrier

Coverage Area
Counties: , Montgomery
Cities: Hyattsville, Bethesda, Rockville, Silver Spring, Oxon Hill, Laurel

Ymax Communications Corp.
Carrier

Coverage Area
Cities: Indian Head

Baltimore-washington Telephone (bwt)
Carrier

Coverage Area
Counties: , Montgomery
Cities: Kensington, Silver Spring, Bethesda

Us Lec Of Maryland
Carrier

Coverage Area
Cities: Laurel

New Frontiers Telecommunications
Carrier

Coverage Area
Counties: , Washington, Frederick, Allegany, Garrett
Cities: Hancock, Myersville, Hagerstown, Frederick, Frostburg, Cumberland, Oakland

Teleport Communications America
Carrier

Coverage Area
Cities: Sandy Spring

Metro PCS
Carrier

Coverage Area
Cities: Greenbelt

Core Communications
Carrier

Coverage Area
Cities: Friendsville, Keedysville, Clear Spring

Core Communications - PA
Carrier

Coverage Area
Cities: Hyattsville

Virginia PCS Alliance, L.c.
Carrier

Coverage Area
Counties: Washington
Cities: Hagerstown

AT&T; Local
Carrier

Coverage Area
Counties: , Prince Georges, Montgomery
Cities: Monrovia, Gaithersburg, Laurel, Mount Rainier, Rockville, Bethesda, Silver Spring

Mountain Communications DBA Procom
Carrier

Coverage Area
Cities: Mc Henry

The 301 area code is located in Baltimore, Maryland including Indian Head, Chevy Chase and was originally put into service on February 4th 1994. Find whose number this is.

Recently Reported Numbers

(301) 494-9365Unknown

Fake fundraising scam asking for donations that they keep for themselves. This is a fake charity fundraising scam! 99% of these unsolicited phone calls from charity fundraisers that pretend to raise money for veterans, police, firefighters, breast cancer, autism, and other seemingly worthy causes are ALL SCAMS!! If you want to donate to these causes, do your own research, research the Charity

(301) 579-7001Unknown

India scammer trying to steal my credit card and Social Security numbers East Indian calls me and asks for me by name (which many scammers do by looking up the names associated with phone numbers to try to gain your trust) and I can tell that he is speaking from a script, and he tells me that I am due a credit refund and he needs my Visa credit card number and Social Security number "for veri

(301) 750-3003Dangerous

Same as all others. Calling to schedule free Dr apt with no identification of callers office name.

(301) 340-8320Unknown

No message left.

(301) 494-9716Dangerous

Caller left a vague message asking for "Milton." This number has been flagged as a scam on other sites, and some of these calls have solicited money for dubious causes and (cough) charities.

(301) 494-9463Neutral

CID- Owings, MD, iD’d by cell provider as Telemarketer.

(301) 798-9975Unknown

Received call, left no vm, blocked!!!!!

(301) 798-9918Unknown

Received call, left no vm, blocked

(301) 219-7467Neutral

Scam

(301) 219-7467Unknown

Car warranty scam

Recently Unidentified numbers

301 area code numbers that might be spam, scams or that people have reported as unidentified callers

301-653-1510New Cingular Wireless PCS - DC
301-271-1599Verizon Maryland
301-198-5954UNKNOWN
301-386-7828Verizon Maryland
301-993-9802Verizon Maryland
301-742-9718New Cingular Wireless PCS - DC
301-375-8082Verizon Maryland
301-541-8192Teleport Communications America - DC
301-447-9550Verizon Maryland
301-165-9666UNKNOWN
301-345-8812Verizon Maryland
301-508-2197New Cingular Wireless PCS - DC
301-669-8131Verizon Maryland
301-769-6291Verizon Maryland
301-564-5408Verizon Maryland
301-104-8230UNKNOWN
301-874-3317Verizon Maryland
301-137-3635UNKNOWN
301-123-9506UNKNOWN

Most searched numbers

Cell
All TimeThis Month
301-499-9212First seen 2018-11-28301-500-3523First seen 2015-11-24
301-306-7989First seen 2013-06-05301-584-8590First seen 2012-07-13
301-471-6053First seen 2016-10-30301-936-4623First seen 2010-09-07
301-619-3614First seen 2017-02-19301-623-2706First seen 2013-04-02
301-956-1663First seen 2019-03-03301-761-6898First seen 2019-02-15
Landline
All TimeThis Month
301-431-8226First seen 2018-07-25301-383-3634First seen 2014-02-03
301-347-4102First seen 2015-12-19301-404-7854First seen 2019-08-22
301-689-9519First seen 2019-11-06301-851-6367First seen 2012-09-02
301-675-3948First seen 2019-04-24301-933-3019First seen 2013-08-16
301-364-8583First seen 2012-01-27301-316-8295First seen 2015-04-11

Cities With coverage

CITY LIST
Accident
Adamstown
Annapolis
Ashton
Avenue
Baltimore
Beltsville
Bethesda
Bittinger
Bowie
Brandywine
Brunswick
Bryans Road
Cabin John
Capitol Heights
Chevy Chase
Clear Spring
Clinton
College Park
Columbia
Cumberland
Damascus
Edgewater
Emmitsburg
Fort Washington
Frederick
Friendsville
Frostburg
Gaithersburg
Glen Echo
Glenn Dale
Grantsville
Greenbelt
Hagerstown
Hancock
Highfield
Hollywood
Hughesville
Hyattsville
Indian Head
Issue
Keedysville
Kensington
Kitzmiller
La Plata
Landover
Lanham
Laurel
Leonardtown
Lexington Park
Lonaconing
Mc Henry
Mccoole
Mechanicsville
Middletown
Monrovia
Mount Airy
Mount Rainier
Mount Savage
Myersville
Nanjemoy
New Market
North Beach
Oakland
Odenton
Oldtown
Oxon Hill
Patuxent River
Poolesville
Ridge
Rockville
Sandy Spring
Silver Spring
Smithsburg
Suitland
Swanton
Tall Timbers
Temple Hills
Thurmont
Upper Marlboro
Valley Lee
Waldorf
Walkersville
Westernport
Williamsport