301 Area Code Prefixes Directory

If you know the complete number you’re looking up, please use the Phone Number Search above. Or to explore prefixes in different coverage areas, please use the tables below.

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, Leonardtown, Waldorf, Oxon Hill, Hagerstown, Silver Spring, Frederick, Oakland, Myersville, Rockville, Keedysville, 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, Thurmont, Hughesville, Bryans Road, Mechanicsville, Myersville, Lanham, College Park, Columbia, Capitol Heights, Oakland, Patuxent River, Poolesville, Westernport, Middletown, Brandywine, Hollywood, Waldorf, Swanton, La Plata, Hagerstown, Suitland, Keedysville, Emmitsburg, Kitzmiller, Lonaconing, Leonardtown, Oldtown, Upper Marlboro, Oxon Hill, Landover, Clinton, New Market, Hancock, Frostburg, Cumberland, Lexington Park, Indian Head, Accident, Avenue, 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, Upper Marlboro, 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, Upper Marlboro, Hyattsville, Sandy Spring, 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, Glenn Dale, Mount Rainier, College Park, 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, Kensington, Cabin John, Glenn Dale, Oxon Hill, Cumberland, Tall Timbers

Xo Maryland
Carrier

Coverage Area
Cities: Chevy Chase

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, Capitol Heights, Bethesda

Broadwing Communications. LLC
Carrier

Coverage Area
Counties: Prince Georges
Cities: Mount Rainier

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, New Market

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) 773-4304Unknown

County Exec. message about Virus updates. I hope....

(301) 212-9800Dangerous

IRS scam

(301) 804-0716Dangerous

Blocked

(301) 212-9800Unknown

Fake suspended Verizon account scam call by criminals phoning from India and spoofing an actual valid 301-212-9800 Verizon phone number that shows up on Caller ID. This is a fake overdue/suspended account scam call by criminals phoning from India. The scam begins with a pre-recorded robotic person speaking English that is generated using text-to-speech translation software to disguise the orig

(301) 881-3052Neutral

301-881-3052 , Am Kidney Fund, called my landline, 12 Mar 20. They got my nr from my recent check donation, which ticks me off cause I gave what I could and wanted to give. They beg for more, using my personal ph nr. I blocked their nr but they will prob call back on another one, pestering me for more. Those are the kinds of orgns I remove from my giving list.

(301) 474-0119Unknown

Called my cellphone on 3/11/2020 and a VM was left. The message was a pre-recorded message from Steny Hoyer. Another number added to my block list.

(301) 474-0119Unknown

Another phone call from Steny Hoyer on 3/12/2020 at 7:50 pm with another pre-recorded message regarding tonight's topic about joining the phone call conversation with him and other public officials regarding this virus.

(301) 744-7605Neutral

(301) 744-7605Got a call from this numberscam fake companyWeb Impro, LLC.stay away and report them

(301) 960-0570Dangerous

CID displays: Silver Spring MD. No message left. Call reported to DNC website.

(301) 517-9370Unknown

Got a call. No message left.

Recently Searched Numbers

No additional information reported for these searched numbers. Received a call from any phone number listed below? Please consider helping the community by reporting your experience.

301-770-2363
Report
Verizon Maryland
301-308-5129
Report
Usa Mobility Wireless
301-416-1780
Report
Verizon Maryland
301-553-7644
Report
Usa Mobility Wireless
301-192-5863
Report
UNKNOWN
301-254-5136
Report
Sprint Spectrum L.p.
301-309-5383
Report
Verizon Maryland
301-618-6406
Report
Verizon Maryland
301-741-9264
Report
Level 3 Communications
301-991-2519
Report
Sprint Spectrum L.p.
301-288-2104
Report
Mci Worldcom Communications
301-219-2867
Report
New Cingular Wireless PCS - DC
301-318-8615
Report
New Cingular Wireless PCS - DC
301-677-4128
Report
Teleport Communications America - DC
301-376-8464
Report
Verizon Maryland
301-214-1454
Report
Verizon Maryland
301-955-2281
Report
Mcimetro Access Transmission Services LLC
301-555-2827
Report
UNKNOWN

Most searched numbers

Cell
All TimeThis Month
301-565-4601First seen 2015-03-13301-991-5781First seen 2019-09-27
301-682-1280First seen 2016-07-03301-726-3330First seen 2016-07-12
301-820-3445First seen 2012-10-14301-152-8231First seen 2015-04-26
301-348-8326First seen 2019-01-04301-330-5968First seen 2014-06-06
301-658-7366First seen 2015-11-30301-115-2305First seen 2011-02-27
Landline
All TimeThis Month
301-222-7263First seen 2011-04-07301-867-6028First seen 2015-02-10
301-441-1789First seen 2013-07-10301-487-8462First seen 2012-09-29
301-117-4844First seen 2015-04-14301-298-6072First seen 2010-04-02
301-118-4871First seen 2010-07-02301-357-8619First seen 2011-12-04
301-778-6653First seen 2012-03-10301-316-9837First seen 2017-04-09

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