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 |
301-368
| A |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-368
| 0 |
Damascus |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2023-12-15 |
|
301-368
| 1 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-368
| 2 |
Damascus |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2007-08-03 |
|
301-368
| 3 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-368
| 4 |
Damascus |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2017-10-20 |
|
301-368
| 5 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-368
| 6 |
Damascus |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2018-10-18 |
|
301-368
| 7 |
Damascus |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-368
| 8 |
Damascus |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-04-27 |
|
301-368
| 9 |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-369
| A |
Washington Zone 13 |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-370
| A |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 0 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 1 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 2 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 3 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 4 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 5 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 6 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 7 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 8 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 9 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-371
| A |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 0 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 1 |
Middletown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-371
| 2 |
Middletown |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2007-06-04 |
|
301-371
| 3 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 4 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 5 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 6 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 7 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 8 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-371
| 9 |
Middletown |
MD |
BRHGMDBHRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-372
| A |
Washington Zone 16 |
MD |
BRNDMDBERS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-372
| 0 |
Washington Zone 16 |
MD |
BRNDMDBERS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-372
| 1 |
Washington Zone 16 |
MD |
BRNDMDBERS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-372
| 2 |
Washington Zone 16 |
MD |
BRNDMDBERS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-372
| 3 |
Washington Zone 16 |
MD |
BRNDMDBERS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-372
| 4 |
Washington Zone 16 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-03-29 |
|
301-372
| 5 |
Washington Zone 16 |
MD |
WASHDCMTX7X |
2697 CTC COMMUNICATIONS CORP. - MD |
236 |
|
2016-06-17 |
|
301-372
| 6 |
Washington Zone 16 |
MD |
BRNDMDBERS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-372
| 7 |
Washington Zone 16 |
MD |
WASIDCRG7MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2014-06-25 |
|
301-372
| 8 |
Washington Zone 16 |
MD |
BRNDMDBERS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-372
| 9 |
Washington Zone 16 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-22 |
|
301-373
| A |
Leonardtown |
MD |
HLWDMDHWRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-373
| 0 |
Leonardtown |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-07-15 |
|
301-373
| 1 |
Leonardtown |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
301-373
| 2 |
Leonardtown |
MD |
HLWDMDHWRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-373
| 3 |
Leonardtown |
MD |
HLWDMDHWRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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