Local Calling Guide
Area code/prefix search
Waldorf, MD
1 2 3 4 5 6 7 8 9 10 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-220
| A |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-01-07 |
|
| 227-220
| 0 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2024-01-08 |
|
| 227-220
| 1 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2024-01-08 |
|
| 227-220
| 2 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2024-01-08 |
|
| 227-220
| 3 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2024-01-08 |
|
| 227-220
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-05-11 |
|
| 227-220
| 5 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-01-08 |
|
| 227-220
| 6 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-01-08 |
|
| 227-220
| 7 |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-01-08 |
|
| 227-220
| 8 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-01-08 |
|
| 227-220
| 9 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-01-07 |
|
| 227-263
| A |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2025-02-01 |
|
| 227-263
| 0 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2025-02-01 |
|
| 227-263
| 1 |
|
876D ONVOY, LLC - MD |
236 |
|
2025-02-03 |
|
| 227-263
| 2 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-02-13 |
|
| 227-263
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2025-02-14 |
|
| 227-263
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2025-02-14 |
|
| 227-263
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2025-02-14 |
|
| 227-263
| 6 |
|
876D ONVOY, LLC - MD |
236 |
|
2025-03-09 |
|
| 227-263
| 7 |
|
876D ONVOY, LLC - MD |
236 |
|
2025-03-09 |
|
| 227-263
| 8 |
|
732J NUSO, LLC |
236 |
|
2025-02-03 |
|
| 227-263
| 9 |
|
732J NUSO, LLC |
236 |
|
2025-02-03 |
|
| 227-278
| A |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-06-28 |
|
| 227-278
| 3 |
|
876D ONVOY, LLC - MD |
236 |
|
2026-01-11 |
|
| 227-278
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-09-05 |
|
| 227-278
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-09-05 |
|
| 227-278
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2025-09-29 |
|
| 227-278
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-06-28 |
|
| 227-278
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-06-28 |
|
| 227-278
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-06-28 |
|
| 227-289
| A |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-10-11 |
|
| 227-289
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-12-15 |
|
| 227-289
| 1 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-12-15 |
|
| 227-289
| 2 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-12-15 |
|
| 227-289
| 4 |
|
073H TELNYX LLC |
236 |
|
2026-02-08 |
|
| 227-289
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2025-12-01 |
|
| 227-289
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2025-12-01 |
|
| 227-289
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-10-11 |
|
| 227-722
| A |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-06-26 |
|
| 227-722
| 0 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-06-27 |
|
| 227-722
| 1 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-06-27 |
|
| 227-722
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-07-12 |
|
| 227-722
| 3 |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-01 |
|
| 227-722
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-10-21 |
|
| 227-722
| 5 |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-722
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-07-12 |
|
| 227-722
| 7 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-06-26 |
|
| 227-722
| 8 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-06-26 |
|
| 227-722
| 9 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-09-15 |
|
| 240-210
| A |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
1 2 3 4 5 6 7 8 9 10 >>
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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