Local Calling Guide
Area code/prefix search
Parkville, MD
<< 1 2 3 4 5 6
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-441
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-441
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-09-22 |
|
| 667-441
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-10-18 |
|
| 667-441
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-10-18 |
|
| 667-441
| 3 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2023-12-16 |
|
| 667-441
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-08-29 |
|
| 667-441
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-06-01 |
|
| 667-441
| 6 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-23 |
|
| 667-441
| 7 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-23 |
|
| 667-441
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-10-18 |
|
| 667-441
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-09-09 |
|
| 667-532
| A |
|
876D ONVOY, LLC - MD |
238 |
|
2025-12-26 |
|
| 667-532
| 0 |
|
876D ONVOY, LLC - MD |
238 |
|
2025-12-26 |
|
| 667-532
| 1 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-02-03 |
|
| 667-532
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-01-14 |
|
| 667-688
| A |
BLTQMD01AMD |
965H FRACTEL, LLC |
238 |
|
|
|
| 667-688
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2021-01-01 |
|
| 667-688
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-02-09 |
|
| 667-688
| 2 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2021-03-20 |
|
| 667-688
| 3 |
|
876D ONVOY, LLC - MD |
238 |
|
2020-12-03 |
|
| 667-688
| 4 |
|
876D ONVOY, LLC - MD |
238 |
|
2020-12-03 |
|
| 667-688
| 5 |
|
876D ONVOY, LLC - MD |
238 |
|
2020-12-03 |
|
| 667-688
| 6 |
|
876D ONVOY, LLC - MD |
238 |
|
2020-12-03 |
|
| 667-688
| 7 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2024-09-28 |
|
| 667-688
| 8 |
|
965H FRACTEL, LLC |
238 |
|
2020-09-12 |
|
| 667-688
| 9 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-08-27 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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