Local Calling Guide
Area code/prefix search
NPA: 301
[Rate centres in NPA 301]
[Dial plan for NPA 301]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-297
| 8 |
Washington Zone 16 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-297
| 9 |
Washington Zone 16 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-298
| A |
Washington Zone 15 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-298
| 0 |
Washington Zone 15 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2004-03-26 |
|
301-298
| 1 |
Washington Zone 15 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-298
| 2 |
Washington Zone 15 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
301-298
| 3 |
Washington Zone 15 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
301-298
| 4 |
Washington Zone 15 |
MD |
MRBOMDMBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2013-02-25 |
|
301-298
| 5 |
Washington Zone 15 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2008-03-13 |
|
301-298
| 6 |
Washington Zone 15 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-298
| 7 |
Washington Zone 15 |
MD |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2016-11-19 |
|
301-298
| 8 |
Washington Zone 15 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-298
| 9 |
Washington Zone 15 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-299
| A |
Washington Zone 10 |
MD |
BTHSMDBDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-300
| A |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-300
| 0 |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2007-05-26 |
|
301-300
| 1 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 2 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 3 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 4 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 5 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 6 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 7 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 8 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-300
| 9 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-19 |
|
301-301
| A |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
301-301
| 0 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 1 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 2 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 3 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 4 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 5 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 6 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 7 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 8 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-301
| 9 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-23 |
|
301-302
| A |
Hagerstown |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
|
|
301-302
| 0 |
Hagerstown |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2004-11-26 |
|
301-302
| 1 |
Hagerstown |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2005-03-28 |
|
301-302
| 2 |
Hagerstown |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2006-04-02 |
|
301-302
| 3 |
Hagerstown |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2006-04-07 |
|
301-302
| 4 |
Hagerstown |
MD |
FRDRMDFRKMD |
5562 METROPCS, INC. |
240 |
|
2006-04-07 |
|
301-302
| 5 |
Hagerstown |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2007-08-07 |
|
301-302
| 6 |
Hagerstown |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2007-08-07 |
|
301-302
| 7 |
Hagerstown |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2006-08-22 |
|
301-302
| 8 |
Hagerstown |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
2006-08-01 |
|
301-302
| 9 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2005-03-04 |
|
301-303
| A |
Washington Zone 13 |
MD |
SLSPMDSSX6X |
6630 USA MOBILITY WIRELESS, INC. |
236 |
|
|
|
301-304
| A |
Walkersville |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
|
|
301-304
| 0 |
Walkersville |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2007-04-20 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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