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 |
| 301-246
| 4 |
Nanjemoy |
MD |
NJMYMDNJRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-246
| 5 |
Nanjemoy |
MD |
CHCHMDBE1MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
2015-05-30 |
|
| 301-246
| 6 |
Nanjemoy |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2015-05-21 |
|
| 301-246
| 7 |
Nanjemoy |
MD |
WASIDCRG7MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2014-06-12 |
|
| 301-246
| 8 |
Nanjemoy |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
| 301-246
| 9 |
Nanjemoy |
MD |
NJMYMDNJRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-247
| A |
Leonardtown |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-248
| A |
Washington Zone 6 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-249
| A |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-250
| A |
Gaithersburg |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-250
| 0 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-08-29 |
|
| 301-250
| 1 |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-02-29 |
|
| 301-250
| 2 |
Gaithersburg |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-250
| 3 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-08-08 |
|
| 301-250
| 4 |
Gaithersburg |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-250
| 5 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-08-29 |
|
| 301-250
| 6 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-08-29 |
|
| 301-250
| 7 |
Gaithersburg |
MD |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2010-12-30 |
|
| 301-250
| 8 |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-08-29 |
|
| 301-250
| 9 |
Gaithersburg |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-251
| A |
Washington Zone 10 |
MD |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-252
| A |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 0 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 1 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 2 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 3 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 4 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 5 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 6 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 7 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 8 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-252
| 9 |
Gaithersburg |
MD |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-253
| A |
Damascus |
MD |
DMSCMDDEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-254
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
| 301-254
| 0 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 1 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 2 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 3 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 4 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 5 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 6 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 7 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-254
| 9 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-255
| A |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-255
| 0 |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-255
| 1 |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-255
| 2 |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-255
| 3 |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-255
| 4 |
Washington Zone 11 |
MD |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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