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 |
301-844
| 8 |
Washington Zone 3 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-09-12 |
|
301-845
| A |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 0 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 1 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 2 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 3 |
Walkersville |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-845
| 4 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 5 |
Walkersville |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-06-06 |
|
301-845
| 6 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 7 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 8 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-845
| 9 |
Walkersville |
MD |
WLVLMDWLDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| A |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 0 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 1 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 2 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 3 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 4 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 5 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 6 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 7 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-846
| 8 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2015-10-01 |
|
301-846
| 9 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-847
| A |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 0 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 1 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 2 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 3 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 4 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 5 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 6 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 7 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 8 |
Washington Zone 12 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-847
| 9 |
Washington Zone 12 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2014-10-03 |
|
301-848
| A |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-849
| A |
Oakland |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
|
|
301-850
| A |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-850
| 0 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-04-27 |
|
301-850
| 1 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-19 |
|
301-850
| 2 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-19 |
|
301-850
| 3 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-04-19 |
|
301-850
| 4 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2002-06-04 |
|
301-850
| 5 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-10-04 |
|
301-850
| 6 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2012-04-21 |
|
301-850
| 7 |
Washington Zone 14 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-08-10 |
|
301-850
| 8 |
Washington Zone 14 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2017-02-04 |
|
301-850
| 9 |
Washington Zone 14 |
MD |
HRNDVACKAMD |
1958 ATX TELECOMMUNICATIONS SERVICES, LTD. |
236 |
|
2004-03-27 |
|
301-851
| A |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-851
| 0 |
Washington Zone 4 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-08-29 |
|
301-851
| 1 |
Washington Zone 4 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2014-10-10 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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