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 |
301-261
| A |
Washington Zone 14 (Baltimore LATA) |
MD |
COTNMDCRDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
301-262
| A |
Washington Zone 14 |
MD |
BOWIMDBODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-263
| A |
Washington Zone 2 |
MD |
BTHSMDWADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-263
| 0 |
Washington Zone 2 |
MD |
BTHSMDWADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-263
| 1 |
Washington Zone 2 |
MD |
BTHSMDWADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-263
| 2 |
Washington Zone 2 |
MD |
BTHSMDWADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-263
| 3 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-02-14 |
|
301-263
| 4 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-03-20 |
|
301-263
| 5 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-06-08 |
|
301-263
| 6 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-15 |
|
301-263
| 7 |
Washington Zone 2 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2005-08-15 |
|
301-263
| 8 |
Washington Zone 2 |
MD |
LARLMDCCDS0 |
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
236 |
|
2004-04-06 |
|
301-263
| 9 |
Washington Zone 2 |
MD |
BTHSMDWADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-264
| A |
Mount Savage |
MD |
MTSVMDMSRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-264
| 1 |
Mount Savage |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-264
| 2 |
Mount Savage |
MD |
CMLDMDCH0MD |
228C IDT AMERICA, CORP. - MD |
240 |
|
2006-03-10 |
|
301-264
| 3 |
Mount Savage |
MD |
MTSVMDMSRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-264
| 4 |
Mount Savage |
MD |
MTSVMDMSRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-264
| 5 |
Mount Savage |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2012-08-24 |
|
301-264
| 6 |
Mount Savage |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-03-01 |
|
301-264
| 7 |
Mount Savage |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-07-04 |
|
301-264
| 8 |
Mount Savage |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-11-07 |
|
301-264
| 9 |
Mount Savage |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
301-265
| A |
Washington Zone 6 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-265
| 0 |
Washington Zone 6 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-265
| 1 |
Washington Zone 6 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-265
| 2 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-24 |
|
301-265
| 3 |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-24 |
|
301-265
| 4 |
Washington Zone 6 |
MD |
OCQNVAXAVMD |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2002-11-30 |
|
301-265
| 5 |
Washington Zone 6 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2015-05-14 |
|
301-265
| 6 |
Washington Zone 6 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-07-23 |
|
301-265
| 7 |
Washington Zone 6 |
MD |
WASIDCRG7MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2014-06-25 |
|
301-265
| 8 |
Washington Zone 6 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-265
| 9 |
Washington Zone 6 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-266
| A |
Waldorf |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-267
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-267
| 0 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 1 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 2 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 3 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 4 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 5 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 6 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 7 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-28 |
|
301-267
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2011-11-28 |
|
301-268
| A |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
301-269
| A |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-269
| 0 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-05-29 |
|
301-269
| 1 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-05-29 |
|
301-269
| 2 |
Washington Zone 2 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-05-29 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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