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 |
301-399
| A |
Waldorf |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
301-399
| 0 |
Waldorf |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 1 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 2 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 3 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 4 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 5 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 6 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 7 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 8 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-399
| 9 |
Waldorf |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-400
| A |
Washington Zone 2 |
MD |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-400
| 0 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 1 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 2 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 3 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 4 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 5 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 6 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 7 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 8 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-400
| 9 |
Washington Zone 2 |
MD |
|
9212 VERIZON MARYLAND, INC. |
236 |
|
2010-06-05 |
|
301-401
| A |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
301-402
| A |
Washington Zone 2 |
MD |
BTHSMDRPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-403
| A |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-404
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
301-404
| 0 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 1 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 2 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 3 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 4 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 5 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 6 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 7 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-404
| 9 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-405
| A |
Washington Zone 4 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-406
| A |
Washington Zone 2 |
MD |
SLSPMDSSX6X |
6630 USA MOBILITY WIRELESS, INC. |
236 |
|
|
|
301-407
| A |
Gaithersburg |
MD |
PLVLMDPVRS2 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-407
| 0 |
Gaithersburg |
MD |
PLVLMDPVRS2 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-407
| 1 |
Gaithersburg |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
301-407
| 2 |
Gaithersburg |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-10-23 |
|
301-407
| 3 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2005-07-14 |
|
301-407
| 4 |
Gaithersburg |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2003-05-10 |
|
301-407
| 5 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2006-05-05 |
|
301-407
| 6 |
Gaithersburg |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2011-10-13 |
|
301-407
| 7 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2005-12-29 |
|
301-407
| 8 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2006-05-05 |
|
301-407
| 9 |
Gaithersburg |
MD |
PLVLMDPVRS2 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-408
| A |
Washington Zone 3 |
MD |
HYVLMDRIDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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