Local Calling Guide
Area code/prefix search
Washington Zone 10, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-810
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-08-06 |
|
| 240-810
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-09-03 |
|
| 240-810
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-09-03 |
|
| 240-810
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-06-04 |
|
| 240-810
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-06-04 |
|
| 240-826
| A |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 240-826
| 0 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 1 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 2 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 3 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 4 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 5 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 6 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 7 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 8 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-826
| 9 |
RKVLMDRVDS1 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-06-06 |
|
| 240-864
| A |
|
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 240-869
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-869
| 0 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-01 |
|
| 240-869
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-01 |
|
| 240-869
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-01 |
|
| 240-869
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-01 |
|
| 240-869
| 4 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-15 |
|
| 240-869
| 5 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-15 |
|
| 240-869
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
| 240-869
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-12-09 |
|
| 240-869
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-12-09 |
|
| 240-869
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-12-09 |
|
| 240-885
| A |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
| 240-885
| 0 |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2021-04-03 |
|
| 240-885
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-07-08 |
|
| 240-885
| 2 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2021-08-16 |
|
| 240-885
| 3 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 240-885
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-03-25 |
|
| 240-885
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-03-25 |
|
| 240-885
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-03-25 |
|
| 240-885
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-03-25 |
|
| 240-885
| 8 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-03-25 |
|
| 240-885
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-07-08 |
|
| 240-888
| A |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-889
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-889
| 0 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-24 |
|
| 240-889
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-24 |
|
| 240-889
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-24 |
|
| 240-889
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-24 |
|
| 240-889
| 4 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-24 |
|
| 240-889
| 5 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-04-26 |
|
| 240-889
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-05 |
|
| 240-889
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-05 |
|
| 240-889
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-02-05 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>
Last updated: Wed, 04 Mar 2026 03:00:52 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.