Local Calling Guide
Area code/prefix search
Washington Zone 5, MD
<< 1 2 3 4 5 6 7 8 9 10 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-343
| 9 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-350
| A |
CPHGMDCADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-420
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-423
| A |
TMHLMDTHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-433
| A |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-433
| 0 |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-433
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-01-12 |
|
301-433
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
301-433
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
301-433
| 4 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2008-10-10 |
|
301-433
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-04-13 |
|
301-433
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-433
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
301-433
| 8 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-08-17 |
|
301-433
| 9 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2019-11-29 |
|
301-440
| A |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 0 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 1 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 2 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 3 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 4 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 5 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 6 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 7 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 8 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-440
| 9 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-449
| A |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-456
| A |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-456
| 0 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-06-26 |
|
301-456
| 1 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-456
| 2 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-456
| 3 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-10-01 |
|
301-456
| 4 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-06-16 |
|
301-456
| 5 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-06-16 |
|
301-456
| 6 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-12-15 |
|
301-456
| 7 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-06-05 |
|
301-456
| 8 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
301-456
| 9 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2013-10-01 |
|
301-499
| A |
CPHGMDCADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-516
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-541
| A |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-541
| 0 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2012-08-20 |
|
301-541
| 1 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-541
| 2 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-541
| 3 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-19 |
|
301-541
| 4 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-06-16 |
|
301-541
| 5 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-541
| 6 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-06-16 |
|
301-541
| 7 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
301-541
| 8 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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