Local Calling Guide
Area code/prefix search
Berlin, MD
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 443-513
| 4 |
|
318J COMCAST IP PHONE, LLC |
242 |
|
2006-07-31 |
|
| 443-513
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 443-513
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2006-09-18 |
|
| 443-513
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 443-513
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2012-02-23 |
|
| 443-513
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 443-728
| A |
|
829J PAETEC ITEL, LLC |
242 |
|
2025-04-01 |
|
| 443-728
| 0 |
|
145J TERRA NOVA TELECOM INC. |
242 |
|
2024-02-15 |
|
| 443-728
| 1 |
|
829J PAETEC ITEL, LLC |
242 |
|
|
|
| 443-728
| 2 |
|
829J PAETEC ITEL, LLC |
242 |
|
|
|
| 443-728
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-19 |
|
| 443-728
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-19 |
|
| 443-728
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-19 |
|
| 443-728
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-19 |
|
| 443-728
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-19 |
|
| 443-728
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-19 |
|
| 667-288
| A |
SLBRMDSBXFX |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
|
|
| 667-288
| 0 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
242 |
|
2020-10-30 |
|
| 667-288
| 1 |
|
318J COMCAST IP PHONE, LLC |
242 |
|
2021-02-26 |
|
| 667-288
| 2 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2020-10-29 |
|
| 667-288
| 3 |
|
318J COMCAST IP PHONE, LLC |
242 |
|
2021-02-26 |
|
| 667-288
| 4 |
|
876D ONVOY, LLC - MD |
242 |
|
2022-10-16 |
|
| 667-288
| 5 |
|
624H ONVOY SPECTRUM, LLC |
242 |
|
2021-05-27 |
|
| 667-288
| 6 |
|
876D ONVOY, LLC - MD |
242 |
|
2021-03-05 |
|
| 667-288
| 7 |
|
876D ONVOY, LLC - MD |
242 |
|
2021-03-05 |
|
| 667-288
| 9 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
242 |
|
2021-02-21 |
|
| 667-827
| A |
SLBRMD90BMD |
516J TON80 COMMUNICATIONS, LLC |
242 |
|
|
|
| 667-827
| 0 |
|
939H COMMIO, LLC |
242 |
|
2022-08-21 |
|
| 667-827
| 1 |
|
876D ONVOY, LLC - MD |
242 |
|
2023-08-10 |
|
| 667-827
| 2 |
|
876D ONVOY, LLC - MD |
242 |
|
2023-08-10 |
|
| 667-827
| 3 |
|
876D ONVOY, LLC - MD |
242 |
|
2023-08-10 |
|
| 667-827
| 4 |
|
876D ONVOY, LLC - MD |
242 |
|
2023-08-10 |
|
| 667-827
| 5 |
|
876D ONVOY, LLC - MD |
242 |
|
2023-08-10 |
|
| 667-827
| 7 |
|
516J TON80 COMMUNICATIONS, LLC |
242 |
|
2022-05-15 |
|
| 667-827
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2025-12-24 |
|
| 667-827
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2023-08-07 |
|
<< 1 2
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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