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 |
| 202-342
| A |
WASHDCGTDS0 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
|
|
| 202-343
| A |
WASHDCMODS1 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
|
|
| 202-344
| A |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 202-344
| 0 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-08-23 |
|
| 202-344
| 1 |
WASHDCMODS1 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
2003-09-13 |
|
| 202-344
| 2 |
WASHDCMODS1 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
2003-09-13 |
|
| 202-344
| 3 |
WASHDCMODS1 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
2003-09-13 |
|
| 202-344
| 4 |
WASHDCDNDS0 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
2003-05-28 |
|
| 202-344
| 5 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2005-04-05 |
|
| 202-344
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-08-23 |
|
| 202-344
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-08-23 |
|
| 202-344
| 8 |
WASHDCDNDS0 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
2003-05-28 |
|
| 202-344
| 9 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 202-345
| A |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 202-345
| 0 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 202-345
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 202-345
| 2 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 202-345
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 202-345
| 4 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 202-345
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 202-345
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 202-345
| 7 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 202-345
| 8 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
| 202-345
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 202-346
| A |
WASHDCMODS1 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
|
|
| 202-347
| A |
WASHDCDNDS0 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
|
|
| 202-348
| A |
WASHDCMODS1 |
9211 VERIZON WASHINGTON DC, INC. |
236 |
|
|
|
| 202-349
| A |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 202-349
| 0 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-349
| 1 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-349
| 2 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-349
| 3 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-349
| 4 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-349
| 5 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-349
| 6 |
VINNVACBDS0 |
850D ONVOY, LLC - DC |
236 |
|
2026-05-03 |
|
| 202-349
| 7 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2004-05-07 |
|
| 202-349
| 8 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-349
| 9 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 202-350
| A |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 202-350
| 0 |
WASHDCDP8MD |
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2012-06-21 |
|
| 202-350
| 1 |
WASHDCDP8MD |
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2012-06-21 |
|
| 202-350
| 2 |
WASHDCDP8MD |
074F BANDWIDTH.COM CLEC, LLC - DC |
236 |
|
2012-07-07 |
|
| 202-350
| 3 |
MCLNVA23DS4 |
6117 LEVEL 3 COMMUNICATIONS, LLC - DC |
236 |
|
2012-08-05 |
|
| 202-350
| 4 |
MCLNVA23DS4 |
6117 LEVEL 3 COMMUNICATIONS, LLC - DC |
236 |
|
2012-06-08 |
|
| 202-350
| 5 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2003-09-22 |
|
| 202-350
| 6 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2003-09-22 |
|
| 202-350
| 7 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2004-01-17 |
|
| 202-350
| 8 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2005-10-13 |
|
| 202-350
| 9 |
MCLNVA23DS4 |
6117 LEVEL 3 COMMUNICATIONS, LLC - DC |
236 |
|
2004-12-13 |
|
| 202-351
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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