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 |
| 240-907
| 2 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2016-09-11 |
|
| 240-907
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-24 |
|
| 240-907
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-24 |
|
| 240-907
| 5 |
|
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
| 240-907
| 6 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2018-04-27 |
|
| 240-907
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2017-01-17 |
|
| 240-907
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-12-09 |
|
| 240-907
| 9 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2016-09-10 |
|
| 240-921
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-921
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-04-26 |
|
| 240-921
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-04-26 |
|
| 240-921
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-04-26 |
|
| 240-921
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-04-26 |
|
| 240-921
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-04-26 |
|
| 240-921
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-04-26 |
|
| 240-921
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-03-31 |
|
| 240-921
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-03-31 |
|
| 240-921
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-03-31 |
|
| 240-921
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-03-31 |
|
| 240-974
| A |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-974
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-03-12 |
|
| 240-974
| 1 |
|
876D ONVOY, LLC - MD |
236 |
|
2023-02-23 |
|
| 240-974
| 2 |
|
876D ONVOY, LLC - MD |
236 |
|
2023-02-23 |
|
| 240-974
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-02-04 |
|
| 240-974
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-02-04 |
|
| 240-974
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-02-04 |
|
| 240-974
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-02-04 |
|
| 240-974
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-02-04 |
|
| 240-974
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-02-04 |
|
| 240-974
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-02-04 |
|
| 240-987
| A |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-987
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-22 |
|
| 240-987
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-22 |
|
| 240-987
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-22 |
|
| 240-987
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-22 |
|
| 240-987
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-20 |
|
| 240-987
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-20 |
|
| 240-987
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-20 |
|
| 240-987
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-20 |
|
| 240-987
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-22 |
|
| 240-987
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-05-22 |
|
| 240-992
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-992
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 240-992
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 240-992
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 240-992
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 240-992
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 240-992
| 5 |
|
876D ONVOY, LLC - MD |
236 |
|
2023-06-23 |
|
| 240-992
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-06-19 |
|
| 240-992
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-06-19 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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