301 Area Code

State: Maryland

Major City: Annapolis

  • Admission to Statehood:
    April 28, 1788 (7th State)
  • Constitution:
    Maryland's Constitution , 7th State
  • Nickname:
    Old Line State
  • Population (2013):
    5,928,814; Rank: 19 of 50 | Population Quick Facts
  • Area:
    • Area: 12,407 sq.mi (32,134 sq.km.), 42nd
    • Land: 9,775 sq.mi. (25,317 sq.km.), 42nd
    • Water: 2,633 sq.mi. (6,819 sq.km.), 18th
    • Coastline: 31 mi. (50 km.), 20th
    • Shoreline: 3,190 mi. (5,134 km.), 9th

Area Code 301

Map:

Area Code Prefix Usage Primary City Carrier Introduced
301 (301) 200- Landline Indian Head Bandwidth.com Clec 02/24/2011
301 (301) 202- Wireless Chevy Chase New Cingular Wireless PCS - DC 12/19/2008
301 (301) 203- Landline Fort Washington Verizon Maryland 02/04/1994
301 (301) 204- Wireless Bethesda New Cingular Wireless PCS - DC 04/15/1996
301 (301) 205- Landline Edgewater Verizon Maryland 07/06/1997
301 (301) 206- Landline Laurel Verizon Maryland 02/04/1994
301 (301) 207- Wireless Greenbelt Usa Mobility Wireless 02/04/1994
301 (301) 208- Landline Gaithersburg Verizon Maryland 02/04/1994
301 (301) 209- Landline Hyattsville Verizon Maryland 02/04/1994
301 (301) 210- Landline Beltsville Verizon Maryland 02/04/1994
301 (301) 212- Landline Gaithersburg Verizon Maryland 02/04/1994
301 (301) 213- Wireless Beltsville Sprint Spectrum L.p. 07/06/1997
301 (301) 214- Landline Rockville Verizon Maryland 02/04/1994
301 (301) 215- Landline Chevy Chase Verizon Maryland 02/04/1994
301 (301) 216- Landline Gaithersburg Verizon Maryland 02/04/1994
301 (301) 217- Landline Rockville Verizon Maryland 02/04/1994
301 (301) 218- Landline Bowie Verizon Maryland 01/10/1996
301 (301) 219- Wireless Bethesda New Cingular Wireless PCS - DC 07/04/1995
301 (301) 220- Landline Greenbelt Verizon Maryland 02/04/1994
301 (301) 221- Wireless Bethesda New Cingular Wireless PCS - DC 09/11/1994
301 (301) 222- Landline Bethesda Cavalier Telephone Mid-atlantic 10/11/1997
301 (301) 223- Landline Williamsport Verizon Maryland 02/04/1994
301 (301) 224- Wireless Chevy Chase Usa Mobility Wireless 04/15/1996
301 (301) 225- Landline Glenn Dale Teleport Communications America - DC 05/21/2009
301 (301) 226- Landline Hyattsville Verizon Maryland 07/01/1996
301 (301) 227- Landline Glen Echo Verizon Maryland 02/04/1994
301 (301) 228- Landline Frederick Verizon Maryland 07/06/1997
301 (301) 229- Landline Glen Echo Verizon Maryland 02/04/1994
301 (301) 230- Landline Rockville Verizon Maryland 02/04/1994
301 (301) 231- Landline Rockville Verizon Maryland 02/04/1994
301 (301) 232- Landline Sandy Spring Mci Worldcom Communications 01/11/1997
301 (301) 233- Wireless Silver Spring Cellco Partnership DBA Verizon Wireless 04/01/1997
301 (301) 234- Landline Fort Washington Verizon Maryland 01/11/1997
301 (301) 235- Landline Clinton Mcimetro Access Transmission Services LLC 01/11/1997
301 (301) 236- Landline Silver Spring Verizon Maryland 02/04/1994
301 (301) 237- Wireless Beltsville Sprint Spectrum L.p. 04/01/1997
301 (301) 238- Landline Temple Hills Verizon Maryland 02/04/1994
301 (301) 239- Wireless Hyattsville Verizon Maryland 02/11/1995
301 (301) 240- Landline Gaithersburg Verizon Maryland 02/04/1994
301 (301) 241- Landline Highfield Verizon Maryland 01/10/1996
301 (301) 242- Landline Brandywine Mcimetro Access Transmission Services LLC 01/11/1997
301 (301) 243- Landline Bethesda Verizon Maryland 07/20/2006
301 (301) 244- Landline Rockville Telcove Operations 01/11/1997
301 (301) 245- Landline Bittinger Verizon Maryland 02/04/1994
301 (301) 246- Landline Nanjemoy Verizon Maryland 02/04/1994
301 (301) 247- Wireless Leonardtown New Cingular Wireless PCS - DC 01/10/1996
301 (301) 248- Landline Fort Washington Verizon Maryland 02/04/1994
301 (301) 249- Landline Bowie Verizon Maryland 02/04/1994
301 (301) 250- Landline Rockville Mci Worldcom Communications 01/11/1997
301 (301) 251- Landline Rockville Verizon Maryland 02/04/1994
Area Code: 301
Prefix: (301) 200-
Usage: Landline
Primary City: Indian Head
Carrier: Bandwidth.com Clec
Introduced: 02/24/2011
Area Code: 301
Prefix: (301) 202-
Usage: Wireless
Primary City: Chevy Chase
Carrier: New Cingular Wireless PCS - DC
Introduced: 12/19/2008
Area Code: 301
Prefix: (301) 203-
Usage: Landline
Primary City: Fort Washington
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 204-
Usage: Wireless
Primary City: Bethesda
Carrier: New Cingular Wireless PCS - DC
Introduced: 04/15/1996
Area Code: 301
Prefix: (301) 205-
Usage: Landline
Primary City: Edgewater
Carrier: Verizon Maryland
Introduced: 07/06/1997
Area Code: 301
Prefix: (301) 206-
Usage: Landline
Primary City: Laurel
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 207-
Usage: Wireless
Primary City: Greenbelt
Carrier: Usa Mobility Wireless
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 208-
Usage: Landline
Primary City: Gaithersburg
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 209-
Usage: Landline
Primary City: Hyattsville
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 210-
Usage: Landline
Primary City: Beltsville
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 212-
Usage: Landline
Primary City: Gaithersburg
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 213-
Usage: Wireless
Primary City: Beltsville
Carrier: Sprint Spectrum L.p.
Introduced: 07/06/1997
Area Code: 301
Prefix: (301) 214-
Usage: Landline
Primary City: Rockville
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 215-
Usage: Landline
Primary City: Chevy Chase
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 216-
Usage: Landline
Primary City: Gaithersburg
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 217-
Usage: Landline
Primary City: Rockville
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 218-
Usage: Landline
Primary City: Bowie
Carrier: Verizon Maryland
Introduced: 01/10/1996
Area Code: 301
Prefix: (301) 219-
Usage: Wireless
Primary City: Bethesda
Carrier: New Cingular Wireless PCS - DC
Introduced: 07/04/1995
Area Code: 301
Prefix: (301) 220-
Usage: Landline
Primary City: Greenbelt
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 221-
Usage: Wireless
Primary City: Bethesda
Carrier: New Cingular Wireless PCS - DC
Introduced: 09/11/1994
Area Code: 301
Prefix: (301) 222-
Usage: Landline
Primary City: Bethesda
Carrier: Cavalier Telephone Mid-atlantic
Introduced: 10/11/1997
Area Code: 301
Prefix: (301) 223-
Usage: Landline
Primary City: Williamsport
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 224-
Usage: Wireless
Primary City: Chevy Chase
Carrier: Usa Mobility Wireless
Introduced: 04/15/1996
Area Code: 301
Prefix: (301) 225-
Usage: Landline
Primary City: Glenn Dale
Carrier: Teleport Communications America - DC
Introduced: 05/21/2009
Area Code: 301
Prefix: (301) 226-
Usage: Landline
Primary City: Hyattsville
Carrier: Verizon Maryland
Introduced: 07/01/1996
Area Code: 301
Prefix: (301) 227-
Usage: Landline
Primary City: Glen Echo
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 228-
Usage: Landline
Primary City: Frederick
Carrier: Verizon Maryland
Introduced: 07/06/1997
Area Code: 301
Prefix: (301) 229-
Usage: Landline
Primary City: Glen Echo
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 230-
Usage: Landline
Primary City: Rockville
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 231-
Usage: Landline
Primary City: Rockville
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 232-
Usage: Landline
Primary City: Sandy Spring
Carrier: Mci Worldcom Communications
Introduced: 01/11/1997
Area Code: 301
Prefix: (301) 233-
Usage: Wireless
Primary City: Silver Spring
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 04/01/1997
Area Code: 301
Prefix: (301) 234-
Usage: Landline
Primary City: Fort Washington
Carrier: Verizon Maryland
Introduced: 01/11/1997
Area Code: 301
Prefix: (301) 235-
Usage: Landline
Primary City: Clinton
Carrier: Mcimetro Access Transmission Services LLC
Introduced: 01/11/1997
Area Code: 301
Prefix: (301) 236-
Usage: Landline
Primary City: Silver Spring
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 237-
Usage: Wireless
Primary City: Beltsville
Carrier: Sprint Spectrum L.p.
Introduced: 04/01/1997
Area Code: 301
Prefix: (301) 238-
Usage: Landline
Primary City: Temple Hills
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 239-
Usage: Wireless
Primary City: Hyattsville
Carrier: Verizon Maryland
Introduced: 02/11/1995
Area Code: 301
Prefix: (301) 240-
Usage: Landline
Primary City: Gaithersburg
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 241-
Usage: Landline
Primary City: Highfield
Carrier: Verizon Maryland
Introduced: 01/10/1996
Area Code: 301
Prefix: (301) 242-
Usage: Landline
Primary City: Brandywine
Carrier: Mcimetro Access Transmission Services LLC
Introduced: 01/11/1997
Area Code: 301
Prefix: (301) 243-
Usage: Landline
Primary City: Bethesda
Carrier: Verizon Maryland
Introduced: 07/20/2006
Area Code: 301
Prefix: (301) 244-
Usage: Landline
Primary City: Rockville
Carrier: Telcove Operations
Introduced: 01/11/1997
Area Code: 301
Prefix: (301) 245-
Usage: Landline
Primary City: Bittinger
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 246-
Usage: Landline
Primary City: Nanjemoy
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 247-
Usage: Wireless
Primary City: Leonardtown
Carrier: New Cingular Wireless PCS - DC
Introduced: 01/10/1996
Area Code: 301
Prefix: (301) 248-
Usage: Landline
Primary City: Fort Washington
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 249-
Usage: Landline
Primary City: Bowie
Carrier: Verizon Maryland
Introduced: 02/04/1994
Area Code: 301
Prefix: (301) 250-
Usage: Landline
Primary City: Rockville
Carrier: Mci Worldcom Communications
Introduced: 01/11/1997
Area Code: 301
Prefix: (301) 251-
Usage: Landline
Primary City: Rockville
Carrier: Verizon Maryland
Introduced: 02/04/1994