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 |
301-978
| 0 |
Washington Zone 10 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2004-03-26 |
|
301-978
| 1 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-06-04 |
|
301-978
| 2 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-978
| 3 |
Washington Zone 10 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2013-01-25 |
|
301-978
| 4 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-978
| 5 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-978
| 6 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-10-12 |
|
301-978
| 7 |
Washington Zone 10 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2014-09-18 |
|
301-978
| 8 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-978
| 9 |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-979
| A |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-979
| 0 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-08-18 |
|
301-979
| 1 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-04-21 |
|
301-979
| 2 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-04-21 |
|
301-979
| 3 |
Washington Zone 10 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-08-06 |
|
301-979
| 4 |
Washington Zone 10 |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-979
| 5 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-08-18 |
|
301-979
| 6 |
Washington Zone 10 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2018-10-05 |
|
301-979
| 7 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-12-08 |
|
301-979
| 8 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-08-06 |
|
301-979
| 9 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-12-08 |
|
301-980
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-981
| A |
Washington Zone 5 |
MD |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-982
| A |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-983
| A |
Washington Zone 10 |
MD |
BTHSMDBDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-984
| A |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| A |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 0 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 1 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 2 |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2015-01-01 |
|
301-985
| 3 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 4 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 5 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 6 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 7 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 8 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-985
| 9 |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-986
| A |
Washington Zone 2 |
MD |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-987
| A |
Gaithersburg |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-988
| A |
Hagerstown |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
301-989
| A |
Washington Zone 12 |
MD |
SLSPMDCVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-990
| A |
Gaithersburg |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-991
| A |
Hagerstown |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-991
| 0 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-991
| 1 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-991
| 2 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-991
| 3 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-991
| 4 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-991
| 5 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
301-991
| 6 |
Hagerstown |
MD |
FRDRMDFRKMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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