Local Calling Guide
Area code/prefix search
Washington Zone 1, DC
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 771-255
| 1 |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2026-04-16 |
|
| 771-255
| 2 |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2026-04-16 |
|
| 771-255
| 3 |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2026-04-16 |
|
| 771-255
| 4 |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2026-04-16 |
|
| 771-255
| 5 |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2026-04-16 |
|
| 771-255
| 6 |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2026-04-16 |
|
| 771-255
| 7 |
WASHDCDP8MD |
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2026-05-02 |
|
| 771-255
| 8 |
WASHDCDP8MD |
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2026-04-17 |
|
| 771-255
| 9 |
WASHDCDP8MD |
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2026-05-02 |
|
| 771-256
| A |
|
515J IP HORIZON LLC |
236 |
|
2026-11-21 |
|
| 771-256
| 0 |
|
515J IP HORIZON LLC |
236 |
|
2026-11-21 |
|
| 771-256
| 1 |
|
515J IP HORIZON LLC |
236 |
|
2026-11-21 |
|
| 771-256
| 2 |
|
515J IP HORIZON LLC |
236 |
|
2026-11-21 |
|
| 771-256
| 3 |
|
515J IP HORIZON LLC |
236 |
|
2026-11-21 |
|
| 771-256
| 4 |
|
515J IP HORIZON LLC |
236 |
|
2026-11-21 |
|
| 771-256
| 6 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2026-11-23 |
|
| 771-271
| A |
MCLNVA23DMD |
597F VOIP INNOVATIONS, LLC |
236 |
|
2026-06-13 |
|
| 771-271
| 0 |
MCLNVA23DMD |
597F VOIP INNOVATIONS, LLC |
236 |
|
2026-06-13 |
|
| 771-271
| 1 |
|
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2026-08-13 |
|
| 771-271
| 2 |
|
6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC |
236 |
|
2026-08-07 |
|
| 771-271
| 3 |
|
6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC |
236 |
|
2026-08-07 |
|
| 771-271
| 4 |
|
6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC |
236 |
|
2026-08-07 |
|
| 771-271
| 5 |
|
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2026-09-05 |
|
| 771-271
| 6 |
|
6402 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC |
236 |
|
2026-08-07 |
|
| 771-271
| 7 |
|
850D ONVOY, LLC - DC |
236 |
|
2026-08-01 |
|
| 771-271
| 8 |
|
850D ONVOY, LLC - DC |
236 |
|
2026-08-01 |
|
| 771-271
| 9 |
|
850D ONVOY, LLC - DC |
236 |
|
2026-08-01 |
|
| 771-324
| A |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
|
|
| 771-324
| 0 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 1 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 2 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 3 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 4 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 5 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 6 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 7 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 8 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-324
| 9 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| A |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
|
|
| 771-325
| 0 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 1 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 2 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 3 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 4 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 5 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 6 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 7 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 8 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-325
| 9 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| A |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
|
|
| 771-326
| 0 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 1 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 2 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 3 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 4 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 5 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 6 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 7 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 8 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-326
| 9 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| A |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
|
|
| 771-327
| 0 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 1 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 2 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 3 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 4 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 5 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 6 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 7 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 8 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-327
| 9 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| A |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
|
|
| 771-328
| 0 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 1 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 2 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 3 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 4 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 5 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 6 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 7 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 8 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-328
| 9 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2023-04-25 |
|
| 771-333
| A |
WASHDCSWFMD |
538H WIDE VOICE, LLC - DC |
236 |
|
|
|
| 771-333
| 0 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-09-23 |
|
| 771-333
| 1 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-09-23 |
|
| 771-333
| 2 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-05-24 |
|
| 771-333
| 3 |
WASHDCSWFMD |
538H WIDE VOICE, LLC - DC |
236 |
|
2022-05-23 |
|
| 771-333
| 4 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-05-24 |
|
| 771-333
| 5 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-05-24 |
|
| 771-333
| 6 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-05-24 |
|
| 771-333
| 7 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-05-24 |
|
| 771-333
| 8 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-05-24 |
|
| 771-333
| 9 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-09-23 |
|
| 771-444
| A |
ARTNVAARXBY |
965H FRACTEL, LLC |
236 |
|
|
|
| 771-444
| 0 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-09-23 |
|
| 771-444
| 1 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-09-23 |
|
| 771-444
| 2 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-08-01 |
|
| 771-444
| 3 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-08-01 |
|
| 771-444
| 4 |
ARTNVAARXBY |
965H FRACTEL, LLC |
236 |
|
2022-07-10 |
|
| 771-444
| 5 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2022-08-01 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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