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 |
301-541
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-10-11 |
|
301-568
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-599
| A |
CLTNMDCLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-635
| A |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
301-635
| 0 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-05-16 |
|
301-635
| 1 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-05-16 |
|
301-635
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-01-07 |
|
301-635
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-09-14 |
|
301-635
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-09-14 |
|
301-635
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-09-14 |
|
301-635
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-02-09 |
|
301-635
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-02-09 |
|
301-635
| 8 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2022-11-03 |
|
301-635
| 9 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2023-09-07 |
|
301-636
| A |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 0 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2019-10-28 |
|
301-636
| 1 |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 2 |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 3 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-08-27 |
|
301-636
| 4 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2010-01-09 |
|
301-636
| 5 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-09-27 |
|
301-636
| 6 |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 7 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-09-27 |
|
301-636
| 8 |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-636
| 9 |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-669
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-702
| A |
TMHLMDTHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-727
| A |
VINNVACB2MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
|
|
301-735
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-736
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-763
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-778
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-778
| 0 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-10-12 |
|
301-778
| 1 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-778
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
301-778
| 3 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2008-10-10 |
|
301-778
| 4 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-10-28 |
|
301-778
| 5 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-07-15 |
|
301-778
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-04-05 |
|
301-778
| 7 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2007-10-22 |
|
301-778
| 8 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-10-28 |
|
301-778
| 9 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-10-12 |
|
301-808
| A |
CPHGMDCADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-817
| A |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-836
| A |
TMHLMDTHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-836
| 0 |
|
515J IP HORIZON LLC |
236 |
|
2013-09-06 |
|
301-836
| 1 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-01-21 |
|
301-836
| 2 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2013-01-15 |
|
301-836
| 3 |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2011-01-25 |
|
301-836
| 4 |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
2010-12-22 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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