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 |
301-632
| 9 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-633
| A |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-634
| A |
Washington Zone 2 |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-635
| A |
Washington Zone 5 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
301-635
| 0 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-05-16 |
|
301-635
| 1 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-05-16 |
|
301-635
| 2 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-01-07 |
|
301-635
| 3 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-09-14 |
|
301-635
| 4 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-09-14 |
|
301-635
| 5 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-09-14 |
|
301-635
| 6 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-02-09 |
|
301-635
| 7 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-02-09 |
|
301-635
| 8 |
Washington Zone 5 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2022-11-03 |
|
301-635
| 9 |
Washington Zone 5 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2023-09-07 |
|
301-636
| A |
Washington Zone 5 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 0 |
Washington Zone 5 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2019-10-28 |
|
301-636
| 1 |
Washington Zone 5 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 2 |
Washington Zone 5 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 3 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-08-27 |
|
301-636
| 4 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2010-01-09 |
|
301-636
| 5 |
Washington Zone 5 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-09-27 |
|
301-636
| 6 |
Washington Zone 5 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 7 |
Washington Zone 5 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-09-27 |
|
301-636
| 8 |
Washington Zone 5 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 9 |
Washington Zone 5 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-637
| A |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-637
| 0 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2004-12-13 |
|
301-637
| 1 |
Washington Zone 10 |
MD |
WASHDCMTX7X |
2697 CTC COMMUNICATIONS CORP. - MD |
236 |
|
2005-12-15 |
|
301-637
| 2 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-04-07 |
|
301-637
| 3 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-04-07 |
|
301-637
| 4 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-637
| 5 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-04-03 |
|
301-637
| 6 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-04-03 |
|
301-637
| 7 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-04-03 |
|
301-637
| 8 |
Washington Zone 10 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-06-17 |
|
301-637
| 9 |
Washington Zone 10 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2010-10-11 |
|
301-638
| A |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 0 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 1 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 2 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 3 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 4 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 5 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 6 |
Waldorf |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-638
| 7 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-638
| 8 |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2019-02-19 |
|
301-638
| 9 |
Waldorf |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-639
| A |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
|
|
301-640
| A |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-640
| 0 |
Washington Zone 10 |
MD |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-05-20 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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