Local Calling Guide
Area code/prefix search
Washington Zone 16, MD
<< 1 2 3
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-719
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-22 |
|
301-719
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-22 |
|
301-719
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-719
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-22 |
|
301-856
| A |
CLTNMDCLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-868
| A |
CLTNMDCLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-877
| A |
CLTNMDCLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| A |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| 0 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-07-19 |
|
301-888
| 1 |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| 2 |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-888
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-08-13 |
|
301-888
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-07-28 |
|
301-888
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-27 |
|
301-888
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-27 |
|
301-888
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2017-07-28 |
|
301-888
| 8 |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2012-04-02 |
|
301-888
| 9 |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
<< 1 2 3
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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