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 |
301-378
| 9 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2013-05-12 |
|
301-379
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
301-379
| 0 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 1 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 2 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 3 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 4 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 5 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 6 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 7 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-379
| 9 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-380
| A |
Washington Zone 2 |
MD |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-381
| A |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
301-381
| 0 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 1 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 2 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 3 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 4 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 5 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 6 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 7 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 8 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-381
| 9 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-09-16 |
|
301-382
| A |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-383
| A |
Washington Zone 14 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-383
| 0 |
Washington Zone 14 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2012-11-03 |
|
301-383
| 1 |
Washington Zone 14 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-383
| 2 |
Washington Zone 14 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2016-07-12 |
|
301-383
| 3 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2016-09-26 |
|
301-383
| 4 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2017-03-25 |
|
301-383
| 5 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2016-11-25 |
|
301-383
| 6 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2017-07-14 |
|
301-383
| 7 |
Washington Zone 14 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2017-11-22 |
|
301-383
| 8 |
Washington Zone 14 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-383
| 9 |
Washington Zone 14 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-384
| A |
Washington Zone 12 |
MD |
SLSPMDCVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-385
| A |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-386
| A |
Washington Zone 4 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-387
| A |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 0 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 2 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 3 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 4 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 5 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 6 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 7 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 8 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-387
| 9 |
Oakland |
MD |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-388
| A |
Washington Zone 12 |
MD |
SLSPMDCVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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