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 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-11-22 |
|
| 227-998
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-25 |
|
| 227-998
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-25 |
|
| 227-998
| 3 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-12-02 |
|
| 227-998
| 4 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 5 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 6 |
|
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 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-12-02 |
|
| 240-200
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2011-05-13 |
|
| 240-200
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-11-24 |
|
| 240-200
| 3 |
|
829J PAETEC ITEL, LLC |
236 |
|
2010-12-03 |
|
| 240-200
| 4 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-02-20 |
|
| 240-200
| 5 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-03-02 |
|
| 240-200
| 6 |
|
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-200
| 7 |
|
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-200
| 8 |
|
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-200
| 9 |
|
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2010-12-03 |
|
| 240-204
| A |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-204
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-11-06 |
|
| 240-204
| 1 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-07-03 |
|
| 240-204
| 2 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-07-03 |
|
| 240-204
| 3 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-03-01 |
|
| 240-204
| 4 |
|
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 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2013-02-26 |
|
| 240-204
| 7 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-05-01 |
|
| 240-204
| 8 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
| 240-204
| 9 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
| 240-223
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 240-223
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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