Local Calling Guide
Area code/prefix search
Washington Zone 2, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 301-547
| 3 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2006-06-04 |
|
| 301-547
| 4 |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 301-547
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-01-11 |
|
| 301-547
| 6 |
CHCHMDBEX4X |
551G NUSO, LLC |
236 |
|
2016-08-31 |
|
| 301-547
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-12-03 |
|
| 301-547
| 8 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2014-02-21 |
|
| 301-547
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-02-08 |
|
| 301-554
| A |
SLSPMDSSX6X |
6630 SPOK, INC. |
236 |
|
|
|
| 301-564
| A |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-571
| A |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-581
| A |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-594
| A |
BTHSMDRPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-633
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-634
| A |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 301-642
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-646
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-648
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-652
| A |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-654
| A |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-655
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-656
| A |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-657
| A |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-661
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-664
| A |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-664
| 0 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-10-14 |
|
| 301-664
| 1 |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-03-14 |
|
| 301-664
| 2 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2019-06-06 |
|
| 301-664
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2017-08-06 |
|
| 301-664
| 4 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2018-10-19 |
|
| 301-664
| 5 |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-664
| 6 |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-664
| 7 |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-664
| 8 |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-664
| 9 |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-674
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 0 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 301-674
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 4 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-674
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 301-718
| A |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-742
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 301-760
| A |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 301-760
| 0 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-12-23 |
|
| 301-760
| 1 |
CHCHMDBEDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2004-07-08 |
|
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