Local Calling Guide
Area code/prefix search
NPA: 240
[Rate centres in NPA 240]
[Dial plan for NPA 240]
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 |
240-402
| A |
Washington Zone 13 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-403
| A |
Washington Zone 10 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-404
| A |
Gaithersburg |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-405
| A |
Frederick |
MD |
FRDRMDFRPMD |
2589 US LEC OF MARYLAND, INC. |
240 |
|
|
|
240-406
| A |
Washington Zone 10 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
240-407
| A |
Washington Zone 16 |
MD |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-408
| A |
Washington Zone 10 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
240-409
| A |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
240-410
| A |
Cumberland |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
240-412
| A |
Waldorf |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
240-413
| A |
Washington Zone 4 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-414
| A |
Washington Zone 6 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-415
| A |
Frederick |
MD |
FRDRMDLH7MD |
281E YMAX COMMUNICATIONS CORP. - MD |
240 |
|
|
|
240-416
| A |
Waldorf |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
240-417
| A |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
240-418
| A |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
240-419
| A |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-420
| A |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
240-421
| A |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-422
| A |
Frederick |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
240-423
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-424
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-425
| A |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-426
| A |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
240-427
| A |
Waldorf |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-428
| A |
Washington Zone 10 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
240-429
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-430
| A |
Washington Zone 11 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-431
| A |
Lexington Park-Great Mills |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-432
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
240-433
| A |
Washington Zone 12 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-434
| A |
Leonardtown |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-435
| A |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-436
| A |
Buckeystown |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
240-437
| A |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-438
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-439
| A |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
240-440
| A |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
240-441
| A |
Washington Zone 6 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-442
| A |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
240-443
| A |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
240-444
| A |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-445
| A |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-23 |
|
240-446
| A |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
240-447
| A |
Washington Zone 10 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
240-448
| A |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-23 |
|
240-449
| A |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
240-450
| A |
Washington Zone 3 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-451
| A |
Thurmont |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
|
|
240-452
| A |
Hagerstown |
MD |
HGTWMDHGGMD |
7849 LUMOS NETWORKS INC. - VA |
240 |
|
|
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.