Local Calling Guide
Area code/prefix search
Silver Run, MD
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 410-346
| A |
SLRNMDSLRS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-346
| 0 |
|
876D ONVOY, LLC - MD |
238 |
|
2016-04-04 |
|
| 410-346
| 1 |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-08 |
|
| 410-346
| 2 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2011-07-08 |
|
| 410-346
| 3 |
|
876D ONVOY, LLC - MD |
238 |
|
2016-04-04 |
|
| 410-346
| 4 |
|
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
238 |
|
2003-12-25 |
|
| 410-346
| 5 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-03-05 |
|
| 410-346
| 6 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-346
| 7 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
| 410-346
| 8 |
|
9212 VERIZON MARYLAND, INC. |
238 |
|
2006-07-27 |
|
| 410-346
| 9 |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-28 |
|
| 443-349
| A |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
| 443-383
| A |
|
829J PAETEC ITEL, LLC |
238 |
|
2025-04-01 |
|
| 443-383
| 0 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
| 443-383
| 1 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-383
| 2 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
| 443-383
| 3 |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-25 |
|
| 443-383
| 4 |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-25 |
|
| 443-383
| 5 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
| 443-383
| 6 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
| 443-383
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-12 |
|
| 443-383
| 8 |
|
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
| 443-383
| 9 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
| 443-732
| A |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 443-732
| 0 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
| 443-732
| 1 |
|
829J PAETEC ITEL, LLC |
238 |
|
2004-02-05 |
|
| 443-732
| 2 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-03-08 |
|
| 443-732
| 3 |
|
876D ONVOY, LLC - MD |
238 |
|
2012-10-08 |
|
| 443-732
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-03-29 |
|
| 443-732
| 5 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-06-23 |
|
| 443-732
| 6 |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2007-01-19 |
|
| 443-732
| 7 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
| 443-732
| 8 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
| 443-732
| 9 |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 667-758
| A |
BLTQMD01AMD |
965H FRACTEL, LLC |
238 |
|
|
|
| 667-758
| 0 |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-03-06 |
|
| 667-758
| 1 |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-03-06 |
|
| 667-758
| 2 |
|
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
| 667-758
| 3 |
|
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
| 667-758
| 4 |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
| 667-758
| 6 |
|
965H FRACTEL, LLC |
238 |
|
2020-09-12 |
|
| 667-758
| 8 |
|
876D ONVOY, LLC - MD |
238 |
|
2021-03-04 |
|
| 667-758
| 9 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2025-07-21 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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