Local Calling Guide
Area code/prefix search
NPA: 443
[Rate centres in NPA 443]
[Dial plan for NPA 443]
Block: A
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-402
| A |
Edgewood |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-403
| A |
Aberdeen |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
443-404
| A |
Solomons |
MD |
BLTMMDCH40Z |
6664 SPRINT SPECTRUM, L.P. |
238 |
|
|
|
443-405
| A |
Randallstown |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-406
| A |
Elkton |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-407
| A |
Dundalk |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-408
| A |
Sparrows Point |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-409
| A |
Edgewood |
MD |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-410
| A |
Glen Burnie |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
|
|
443-412
| A |
Churchville |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-413
| A |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-414
| A |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-415
| A |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-416
| A |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-417
| A |
Fallston |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-418
| A |
Baltimore |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-419
| A |
Glenwood |
MD |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-420
| A |
Ellicott City |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-421
| A |
Fork |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-422
| A |
Glen Burnie |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-423
| A |
Baltimore |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-424
| A |
Cardiff |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-425
| A |
Parkville |
MD |
BLTMMDCHCMD |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-426
| A |
Randallstown |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-427
| A |
Princess Anne |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
443-428
| A |
Cockeysville |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-429
| A |
Woodlawn |
MD |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-430
| A |
Columbia |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-431
| A |
Randallstown |
MD |
BLTQMD01BMD |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-432
| A |
Prince Frederick |
MD |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-433
| A |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-434
| A |
Federalsburg |
MD |
SLBRMDSBWMD |
073H TELNYX LLC |
242 |
|
|
|
443-435
| A |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2024-02-09 |
|
443-436
| A |
Woodlawn |
MD |
WDLWMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-437
| A |
Pocomoke |
MD |
SLBRMDSBXUX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
242 |
|
|
|
443-438
| A |
Baltimore |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-439
| A |
Trappe |
MD |
ESTNMDESQMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
|
|
443-440
| A |
Annapolis |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
443-441
| A |
Glenwood |
MD |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-442
| A |
Parkville |
MD |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-443
| A |
Arbutus |
MD |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2024-01-22 |
|
443-444
| A |
Baltimore |
MD |
BLTMMDYKDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-445
| A |
Elkridge |
MD |
EKRGMDELDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-446
| A |
Queenstown |
MD |
ESTNMDES5MD |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
242 |
|
|
|
443-447
| A |
Baltimore |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-448
| A |
Denton |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
|
|
443-449
| A |
Baltimore |
MD |
PIVLMDPKFMD |
9170 BROADVIEW NETWORKS, INC. - MD |
238 |
|
|
|
443-450
| A |
Pikesville |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-451
| A |
Baltimore |
MD |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
|
|
443-452
| A |
Baltimore |
MD |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
|
|
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Last updated: Sat, 01 Jun 2024 11:59:14 UTC
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