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 |
240-301
| A |
Clear Spring |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
|
|
240-302
| A |
Laurel |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
240-303
| A |
Washington Zone 16 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-304
| A |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-305
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
240-306
| A |
Gaithersburg |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-307
| A |
Emmitsburg |
MD |
MNRVMDMOX2X |
7421 AT&T - LOCAL |
240 |
|
|
|
240-308
| A |
Damascus |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
240-309
| A |
Leonardtown |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-310
| A |
Hagerstown |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
240-312
| A |
Washington Zone 5 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-313
| A |
Hagerstown |
MD |
HGTWMDHGDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
240-314
| A |
Washington Zone 10 |
MD |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-315
| A |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
240-316
| A |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-317
| A |
Lexington Park-Great Mills |
MD |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-318
| A |
Washington Zone 16 |
MD |
CLTNMDCLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-319
| A |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
240-320
| A |
Waldorf |
MD |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-321
| A |
Oakland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
240-322
| A |
McCoole |
MD |
HGTWMD53DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
|
|
240-323
| A |
Emmitsburg |
MD |
HGTWMD53DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
|
|
240-324
| A |
Ashton (Baltimore LATA) |
MD |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
|
|
240-325
| A |
Damascus |
MD |
CHCHMDBEPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2024-01-16 |
|
240-326
| A |
Washington Zone 15 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-327
| A |
Gaithersburg |
MD |
CHCHMDBEPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2024-01-16 |
|
240-328
| A |
Washington Zone 10 |
MD |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-329
| A |
Hagerstown |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
240-330
| A |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-331
| A |
Washington Zone 3 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-332
| A |
Tompkinsville |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
240-333
| A |
Washington Zone 2 |
MD |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-334
| A |
Washington Zone 14 |
MD |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-335
| A |
Washington Zone 14 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
240-336
| A |
Washington Zone 2 |
MD |
CHCHMDBEPS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2024-01-16 |
|
240-337
| A |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
240-338
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
240-339
| A |
Washington Zone 15 |
MD |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-340
| A |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
240-341
| A |
Buckeystown |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
|
|
240-342
| A |
Ashton |
MD |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-343
| A |
Hancock |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
240-344
| A |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
240-345
| A |
Ashton (Baltimore LATA) |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
240-346
| A |
Waldorf |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
240-347
| A |
Hagerstown |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
|
|
240-348
| A |
Washington Zone 16 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-349
| A |
La Plata |
MD |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-350
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
240-351
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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