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 |
301-359
| 8 |
Westernport |
MD |
FRDRMDFRXAX |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
240 |
|
2015-03-20 |
|
301-359
| 9 |
Westernport |
MD |
CMLDMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| A |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 0 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 1 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 2 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 3 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 4 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 5 |
Frederick |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2016-02-09 |
|
301-360
| 6 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 7 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 8 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-360
| 9 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-361
| A |
Washington Zone 4 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-362
| A |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-363
| A |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
301-363
| 0 |
Damascus (Hagerstown LATA) |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-10-29 |
|
301-363
| 1 |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2008-11-26 |
|
301-363
| 2 |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2011-10-29 |
|
301-363
| 3 |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2012-11-25 |
|
301-363
| 4 |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
301-363
| 5 |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2009-03-06 |
|
301-363
| 6 |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-12-09 |
|
301-363
| 7 |
Damascus (Hagerstown LATA) |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2011-11-25 |
|
301-363
| 8 |
Damascus (Hagerstown LATA) |
MD |
FRDRMDFRXTX |
318J COMCAST IP PHONE, LLC |
240 |
|
2007-04-07 |
|
301-363
| 9 |
Damascus (Hagerstown LATA) |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2013-07-26 |
|
301-364
| A |
Washington Zone 4 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-364
| 0 |
Washington Zone 4 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-06-20 |
|
301-364
| 1 |
Washington Zone 4 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-364
| 2 |
Washington Zone 4 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-06-03 |
|
301-364
| 3 |
Washington Zone 4 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
301-364
| 4 |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-10-14 |
|
301-364
| 5 |
Washington Zone 4 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2005-12-07 |
|
301-364
| 6 |
Washington Zone 4 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-06-03 |
|
301-364
| 7 |
Washington Zone 4 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-07-14 |
|
301-364
| 8 |
Washington Zone 4 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-07-14 |
|
301-364
| 9 |
Washington Zone 4 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-365
| A |
Washington Zone 2 |
MD |
BTHSMDBDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-366
| A |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-366
| 0 |
Gaithersburg |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-09-12 |
|
301-366
| 1 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-06-17 |
|
301-366
| 2 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-06-17 |
|
301-366
| 3 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-10-11 |
|
301-366
| 4 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-10-11 |
|
301-366
| 5 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2004-10-03 |
|
301-366
| 6 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-06-17 |
|
301-366
| 7 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-12-30 |
|
301-366
| 8 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-12-30 |
|
301-366
| 9 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-09-27 |
|
301-367
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
<< 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 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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