Local Calling Guide
Area code/prefix search
Washington Zone 2, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-997
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-12-12 |
|
| 227-997
| 1 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-12-12 |
|
| 227-997
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-02-26 |
|
| 227-997
| 3 |
|
876D ONVOY, LLC - MD |
236 |
|
2025-04-14 |
|
| 227-997
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-03-02 |
|
| 227-997
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-03-02 |
|
| 227-997
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-03-02 |
|
| 227-997
| 7 |
|
876D ONVOY, LLC - MD |
236 |
|
2025-05-10 |
|
| 227-997
| 8 |
|
876D ONVOY, LLC - MD |
236 |
|
2025-05-10 |
|
| 227-997
| 9 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2025-04-14 |
|
| 227-998
| A |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-11-22 |
|
| 227-998
| 0 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-11-22 |
|
| 227-998
| 1 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-25 |
|
| 227-998
| 2 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-25 |
|
| 227-998
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-02 |
|
| 227-998
| 4 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 5 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 6 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-03-02 |
|
| 227-998
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-03-02 |
|
| 227-998
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-03-02 |
|
| 240-200
| A |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 240-200
| 0 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-12-02 |
|
| 240-200
| 1 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2011-05-13 |
|
| 240-200
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-24 |
|
| 240-200
| 3 |
|
829J PAETEC ITEL, LLC |
236 |
|
2010-12-03 |
|
| 240-200
| 4 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-02-20 |
|
| 240-200
| 5 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-03-02 |
|
| 240-200
| 6 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-200
| 7 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-200
| 8 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-200
| 9 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-204
| A |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-204
| 0 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-11-06 |
|
| 240-204
| 1 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-07-03 |
|
| 240-204
| 2 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-07-03 |
|
| 240-204
| 3 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-03-01 |
|
| 240-204
| 4 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2013-10-01 |
|
| 240-204
| 5 |
|
829J PAETEC ITEL, LLC |
236 |
|
2013-03-29 |
|
| 240-204
| 6 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2013-02-26 |
|
| 240-204
| 7 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-05-01 |
|
| 240-204
| 8 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
| 240-204
| 9 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
| 240-223
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 0 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 1 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 2 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 3 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 4 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 5 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>
Last updated: Wed, 04 Mar 2026 03:00:52 UTC
Sponsored by: LES.NET
Like this site? We accept donations via PayPal.