Local Calling Guide
Area code/prefix search
Washington Zone 11, MD
1 2 3 4 5 6 7 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
240-221
| A |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-221
| 0 |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-221
| 1 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-10-17 |
|
240-221
| 2 |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-221
| 3 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2005-07-25 |
|
240-221
| 4 |
RKVLMDMRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-221
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-10-01 |
|
240-221
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-10-01 |
|
240-221
| 7 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2019-12-28 |
|
240-221
| 8 |
LARLMDCCDS0 |
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
236 |
|
2004-04-06 |
|
240-221
| 9 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-02-23 |
|
240-242
| A |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-242
| 0 |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-242
| 1 |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-242
| 2 |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-242
| 3 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-07-04 |
|
240-242
| 4 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-07-04 |
|
240-242
| 5 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-22 |
|
240-242
| 6 |
WASHDCMTX7X |
2697 CTC COMMUNICATIONS CORP. - MD |
236 |
|
2006-09-07 |
|
240-242
| 7 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
240-242
| 8 |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-242
| 9 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
240-283
| A |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-283
| 0 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-283
| 1 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-283
| 2 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-283
| 3 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-283
| 4 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-06-26 |
|
240-283
| 5 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-06-26 |
|
240-283
| 6 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-283
| 7 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-10-28 |
|
240-283
| 8 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-283
| 9 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
240-290
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-290
| 0 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-290
| 1 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-290
| 2 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-290
| 3 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-290
| 4 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-02-23 |
|
240-290
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-07-04 |
|
240-290
| 6 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-02-23 |
|
240-290
| 7 |
WASHDC12KMD |
145J TERRA NOVA TELECOM INC. |
236 |
|
2023-08-06 |
|
240-290
| 8 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-02-23 |
|
240-290
| 9 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
240-292
| A |
WHTNMDWTDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-292
| 0 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-02-17 |
|
240-292
| 1 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-02-17 |
|
240-292
| 2 |
WHTNMDWTDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-292
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
240-292
| 4 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2003-01-12 |
|
1 2 3 4 5 6 7 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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