Local Calling Guide
Area code/prefix search
Warwick, MD
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 410-755
| A |
CCTNMDCLRS0 |
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-755
| 0 |
|
228C IDT AMERICA, CORP. - MD |
242 |
|
2012-07-07 |
|
| 410-755
| 1 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2004-04-03 |
|
| 410-755
| 4 |
|
318J COMCAST IP PHONE, LLC |
242 |
|
2014-05-12 |
|
| 410-755
| 5 |
|
876D ONVOY, LLC - MD |
242 |
|
2022-11-24 |
|
| 410-755
| 6 |
|
9212 VERIZON MARYLAND, INC. |
242 |
|
|
|
| 410-755
| 7 |
|
876D ONVOY, LLC - MD |
242 |
|
2017-04-14 |
|
| 410-755
| 8 |
|
073H TELNYX LLC |
242 |
|
2017-09-13 |
|
| 410-755
| 9 |
|
145J TERRA NOVA TELECOM INC. |
242 |
|
2024-02-15 |
|
| 667-545
| A |
ESTNMDBNGT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
| 667-545
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-12-07 |
|
| 667-545
| 1 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-12-07 |
|
| 667-545
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-07-31 |
|
| 667-545
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-07-31 |
|
| 667-545
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-07-31 |
|
| 667-545
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-12-07 |
|
| 667-545
| 6 |
|
876D ONVOY, LLC - MD |
242 |
|
2021-04-02 |
|
| 667-545
| 7 |
|
876D ONVOY, LLC - MD |
242 |
|
2021-04-02 |
|
| 667-545
| 8 |
|
876D ONVOY, LLC - MD |
242 |
|
2019-03-10 |
|
| 667-545
| 9 |
|
876D ONVOY, LLC - MD |
242 |
|
2019-03-10 |
|
| 667-687
| A |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-687
| 0 |
|
939H COMMIO, LLC |
242 |
|
2022-03-27 |
|
| 667-687
| 4 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2022-11-18 |
|
| 667-687
| 6 |
|
876D ONVOY, LLC - MD |
242 |
|
2021-05-17 |
|
| 667-687
| 7 |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
242 |
|
2022-11-09 |
|
| 667-687
| 8 |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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