Local Calling Guide
Area code/prefix search
Washington Zone 14, MD
<< 1 2 3 4 5 6 7 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-430
| A |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 0 |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 1 |
|
515J IP HORIZON LLC |
236 |
|
2016-05-31 |
|
301-430
| 2 |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-430
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-430
| 5 |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 6 |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 7 |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 8 |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-464
| A |
BOWIMDBODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| A |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-470
| 1 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 2 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 3 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 4 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 5 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 6 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 7 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 8 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-470
| 9 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-666
| A |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-666
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-666
| 1 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-666
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-12-14 |
|
301-666
| 3 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-666
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-666
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-666
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2012-08-26 |
|
301-666
| 7 |
WASIDCRG7MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2014-04-02 |
|
301-666
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-06-16 |
|
301-666
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-677
| A |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-756
| A |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 0 |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 1 |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2017-03-14 |
|
301-756
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-756
| 3 |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 4 |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
301-756
| 6 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2017-08-04 |
|
301-756
| 7 |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 8 |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-756
| 9 |
LARLMDCC5MD |
7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
236 |
|
|
|
301-794
| A |
LNHMMDLNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-794
| 0 |
LNHMMDLNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-794
| 1 |
LNHMMDLNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-794
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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