443 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 443

Map:

Area Code	Prefix	Usage	Primary City	Carrier	Introduced
443	200	Landline	Baltimore	Allegiance Telecom	02/21/2001
443	201	Wireless	Westminster	Cellco Partnership DBA Verizon Wireless	12/01/2011
443	202	Wireless	Baltimore	Cellco Partnership DBA Verizon Wireless	01/09/2012
443	203	Landline	West River	Verizon Maryland	03/03/2001
443	204	Wireless	Pikesville	New Cingular Wireless PCS - DC	05/15/2003
443	205	Wireless	Cambridge	Sprint Spectrum L.p.	01/20/2004
443	206	Wireless	Perryville	Cellco Partnership DBA Verizon Wireless	01/14/2000
443	207	Wireless	Elkton	Omnipoint Communications Enterprises, L.p.	08/14/1998
443	208	Landline	Essex	Sprint Spectrum L.p.	02/01/2011
443	209	Landline	Havre De Grace	Cavalier Telephone (mid-atlantic)	02/27/1999
443	210	Landline	Aberdeen	Sprint Spectrum L.p.	09/30/2011
443	212	Landline	Sparks Glencoe	Us Lec Of Maryland	08/14/1998
443	213	Landline	Baltimore	Verizon Maryland	05/18/1998
443	214	Landline	Annapolis	New Cingular Wireless PCS - DC	10/11/2011
443	215	Landline	Chestertown	Core Communications	01/14/2000
443	216	Landline	Dundalk	Cavalier Telephone Mid-atlantic	10/13/1999
443	217	Landline	Annapolis	Core Communications	01/14/2000
443	218	Landline	Reisterstown	Global Crossing Local Services-md	07/22/1999
443	219	Landline	Baltimore	Level 3 Communications	05/18/1998
443	220	Landline	Baltimore	Verizon Maryland	11/20/1998
443	221	Landline	Annapolis	Level 3 Communications	08/20/2000
443	222	Landline	Reisterstown	Xo Maryland	01/14/2000
443	223	Wireless	Annapolis	Cellco Partnership DBA Verizon Wireless	10/13/1999
443	224	Landline	Baltimore	Mci Worldcom Communications	05/10/1999
443	225	Landline	Cambridge	Sprint Spectrum L.p.	01/20/2004
443	226	Wireless	Baltimore	Sprint Spectrum L.p.	08/14/1998
443	227	Landline	Port Deposit	Ctc Communications Corp.	01/14/2000
443	228	Landline	Middle River	Us Lec Of Maryland	06/30/2001
443	229	Landline	Severna Park	Cavalier Telephone Mid-atlantic	05/10/2001
443	230	Landline	Odenton	Ctc Communications Corp.	01/14/2000
443	231	Landline	Baltimore	AT&T; Local	08/14/1998
443	232	Landline	Willards	Cavalier Telephone (mid-atlantic)	11/20/1998
443	233	Landline	Mardela Springs	Cavalier Telephone (mid-atlantic)	11/20/1998
443	234	Landline	Snow Hill	Cavalier Telephone (mid-atlantic)	11/20/1998
443	235	Wireless	Salisbury	Cellco Partnership DBA Verizon Wireless	10/13/1999
443	236	Landline	Cardiff	Core Communications	01/14/2000
443	237	Landline	North Beach	Core Communications	01/14/2000
443	238	Landline	Parkton	Ctc Communications Corp.	01/14/2000
443	239	Wireless	Easton	New Cingular Wireless PCS - DC	01/20/2004
443	240	Wireless	Baltimore	New Cingular Wireless PCS - DC	01/27/2012
443	241	Landline	Westminster	Global Naps South	01/14/2000
443	242	Landline	Sparrows Point	Cavalier Telephone Mid-atlantic	05/10/2001
443	243	Wireless	Fallston	Cellco Partnership DBA Verizon Wireless	10/13/1999
443	244	Landline	Westminster	Level 3 Communications	10/13/1999
443	245	Landline	Elkton	Cavalier Telephone (mid-atlantic)	02/27/1999
443	246	Landline	Elkton	Core Communications	01/14/2000
443	247	Landline	Union Bridge	Ctc Communications Corp.	01/14/2000
443	248	Wireless	Catonsville	Cellco Partnership DBA Verizon Wireless	01/15/2007
443	249	Landline	Stevensville	Verizon Maryland	07/22/1999
443	250	Wireless	Baltimore	Sprint Spectrum L.p.	08/14/1998

Area Code: 443
Prefix: 200
Usage: Landline
Primary City: Baltimore
Carrier: Allegiance Telecom
Introduced: 02/21/2001

Area Code: 443
Prefix: 201
Usage: Wireless
Primary City: Westminster
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 12/01/2011

Area Code: 443
Prefix: 202
Usage: Wireless
Primary City: Baltimore
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/09/2012

Area Code: 443
Prefix: 203
Usage: Landline
Primary City: West River
Carrier: Verizon Maryland
Introduced: 03/03/2001

Area Code: 443
Prefix: 204
Usage: Wireless
Primary City: Pikesville
Carrier: New Cingular Wireless PCS - DC
Introduced: 05/15/2003

Area Code: 443
Prefix: 205
Usage: Wireless
Primary City: Cambridge
Carrier: Sprint Spectrum L.p.
Introduced: 01/20/2004

Area Code: 443
Prefix: 206
Usage: Wireless
Primary City: Perryville
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/14/2000

Area Code: 443
Prefix: 207
Usage: Wireless
Primary City: Elkton
Carrier: Omnipoint Communications Enterprises, L.p.
Introduced: 08/14/1998

Area Code: 443
Prefix: 208
Usage: Landline
Primary City: Essex
Carrier: Sprint Spectrum L.p.
Introduced: 02/01/2011

Area Code: 443
Prefix: 209
Usage: Landline
Primary City: Havre De Grace
Carrier: Cavalier Telephone (mid-atlantic)
Introduced: 02/27/1999

Area Code: 443
Prefix: 210
Usage: Landline
Primary City: Aberdeen
Carrier: Sprint Spectrum L.p.
Introduced: 09/30/2011

Area Code: 443
Prefix: 212
Usage: Landline
Primary City: Sparks Glencoe
Carrier: Us Lec Of Maryland
Introduced: 08/14/1998

Area Code: 443
Prefix: 213
Usage: Landline
Primary City: Baltimore
Carrier: Verizon Maryland
Introduced: 05/18/1998

Area Code: 443
Prefix: 214
Usage: Landline
Primary City: Annapolis
Carrier: New Cingular Wireless PCS - DC
Introduced: 10/11/2011

Area Code: 443
Prefix: 215
Usage: Landline
Primary City: Chestertown
Carrier: Core Communications
Introduced: 01/14/2000

Area Code: 443
Prefix: 216
Usage: Landline
Primary City: Dundalk
Carrier: Cavalier Telephone Mid-atlantic
Introduced: 10/13/1999

Area Code: 443
Prefix: 217
Usage: Landline
Primary City: Annapolis
Carrier: Core Communications
Introduced: 01/14/2000

Area Code: 443
Prefix: 218
Usage: Landline
Primary City: Reisterstown
Carrier: Global Crossing Local Services-md
Introduced: 07/22/1999

Area Code: 443
Prefix: 219
Usage: Landline
Primary City: Baltimore
Carrier: Level 3 Communications
Introduced: 05/18/1998

Area Code: 443
Prefix: 220
Usage: Landline
Primary City: Baltimore
Carrier: Verizon Maryland
Introduced: 11/20/1998

Area Code: 443
Prefix: 221
Usage: Landline
Primary City: Annapolis
Carrier: Level 3 Communications
Introduced: 08/20/2000

Area Code: 443
Prefix: 222
Usage: Landline
Primary City: Reisterstown
Carrier: Xo Maryland
Introduced: 01/14/2000

Area Code: 443
Prefix: 223
Usage: Wireless
Primary City: Annapolis
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999

Area Code: 443
Prefix: 224
Usage: Landline
Primary City: Baltimore
Carrier: Mci Worldcom Communications
Introduced: 05/10/1999

Area Code: 443
Prefix: 225
Usage: Landline
Primary City: Cambridge
Carrier: Sprint Spectrum L.p.
Introduced: 01/20/2004

Area Code: 443
Prefix: 226
Usage: Wireless
Primary City: Baltimore
Carrier: Sprint Spectrum L.p.
Introduced: 08/14/1998

Area Code: 443
Prefix: 227
Usage: Landline
Primary City: Port Deposit
Carrier: Ctc Communications Corp.
Introduced: 01/14/2000

Area Code: 443
Prefix: 228
Usage: Landline
Primary City: Middle River
Carrier: Us Lec Of Maryland
Introduced: 06/30/2001

Area Code: 443
Prefix: 229
Usage: Landline
Primary City: Severna Park
Carrier: Cavalier Telephone Mid-atlantic
Introduced: 05/10/2001

Area Code: 443
Prefix: 230
Usage: Landline
Primary City: Odenton
Carrier: Ctc Communications Corp.
Introduced: 01/14/2000

Area Code: 443
Prefix: 231
Usage: Landline
Primary City: Baltimore
Carrier: AT&T; Local
Introduced: 08/14/1998

Area Code: 443
Prefix: 232
Usage: Landline
Primary City: Willards
Carrier: Cavalier Telephone (mid-atlantic)
Introduced: 11/20/1998

Area Code: 443
Prefix: 233
Usage: Landline
Primary City: Mardela Springs
Carrier: Cavalier Telephone (mid-atlantic)
Introduced: 11/20/1998

Area Code: 443
Prefix: 234
Usage: Landline
Primary City: Snow Hill
Carrier: Cavalier Telephone (mid-atlantic)
Introduced: 11/20/1998

Area Code: 443
Prefix: 235
Usage: Wireless
Primary City: Salisbury
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999

Area Code: 443
Prefix: 236
Usage: Landline
Primary City: Cardiff
Carrier: Core Communications
Introduced: 01/14/2000

Area Code: 443
Prefix: 237
Usage: Landline
Primary City: North Beach
Carrier: Core Communications
Introduced: 01/14/2000

Area Code: 443
Prefix: 238
Usage: Landline
Primary City: Parkton
Carrier: Ctc Communications Corp.
Introduced: 01/14/2000

Area Code: 443
Prefix: 239
Usage: Wireless
Primary City: Easton
Carrier: New Cingular Wireless PCS - DC
Introduced: 01/20/2004

Area Code: 443
Prefix: 240
Usage: Wireless
Primary City: Baltimore
Carrier: New Cingular Wireless PCS - DC
Introduced: 01/27/2012

Area Code: 443
Prefix: 241
Usage: Landline
Primary City: Westminster
Carrier: Global Naps South
Introduced: 01/14/2000

Area Code: 443
Prefix: 242
Usage: Landline
Primary City: Sparrows Point
Carrier: Cavalier Telephone Mid-atlantic
Introduced: 05/10/2001

Area Code: 443
Prefix: 243
Usage: Wireless
Primary City: Fallston
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999

Area Code: 443
Prefix: 244
Usage: Landline
Primary City: Westminster
Carrier: Level 3 Communications
Introduced: 10/13/1999

Area Code: 443
Prefix: 245
Usage: Landline
Primary City: Elkton
Carrier: Cavalier Telephone (mid-atlantic)
Introduced: 02/27/1999

Area Code: 443
Prefix: 246
Usage: Landline
Primary City: Elkton
Carrier: Core Communications
Introduced: 01/14/2000

Area Code: 443
Prefix: 247
Usage: Landline
Primary City: Union Bridge
Carrier: Ctc Communications Corp.
Introduced: 01/14/2000

Area Code: 443
Prefix: 248
Usage: Wireless
Primary City: Catonsville
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/15/2007

Area Code: 443
Prefix: 249
Usage: Landline
Primary City: Stevensville
Carrier: Verizon Maryland
Introduced: 07/22/1999

Area Code: 443
Prefix: 250
Usage: Wireless
Primary City: Baltimore
Carrier: Sprint Spectrum L.p.
Introduced: 08/14/1998