Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
Block: A
<< 1 2 3 4 5 6 7 8 9 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-503
| A |
Baltimore |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2025-03-22 |
|
| 667-504
| A |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-03-27 |
|
| 667-505
| A |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-04-06 |
|
| 667-506
| A |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-04 |
|
| 667-507
| A |
Severn |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-11 |
|
| 667-508
| A |
Woodlawn |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-06-13 |
|
| 667-509
| A |
Severna Park |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-07-11 |
|
| 667-510
| A |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-06-29 |
|
| 667-512
| A |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-07-12 |
|
| 667-513
| A |
Baltimore |
MD |
|
616J LEAP TELECOM, LLC |
238 |
|
2025-07-17 |
|
| 667-514
| A |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-07-04 |
|
| 667-515
| A |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-07-21 |
|
| 667-516
| A |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-08-14 |
|
| 667-517
| A |
Catonsville |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2024-12-23 |
|
| 667-518
| A |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-08-14 |
|
| 667-519
| A |
Baltimore |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-08-14 |
|
| 667-520
| A |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-08-21 |
|
| 667-521
| A |
Pikesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-09-06 |
|
| 667-522
| A |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-09-25 |
|
| 667-523
| A |
Odenton |
MD |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2025-09-29 |
|
| 667-524
| A |
Salisbury |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
242 |
|
2025-10-05 |
|
| 667-525
| A |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2025-10-04 |
|
| 667-526
| A |
Centreville |
MD |
SLBRMD90BMD |
516J TON80 COMMUNICATIONS, LLC |
242 |
|
|
|
| 667-527
| A |
Glen Burnie |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2025-11-01 |
|
| 667-528
| A |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-10-27 |
|
| 667-529
| A |
Hurlock |
MD |
SLBRMD90AMD |
965H FRACTEL, LLC |
242 |
|
|
|
| 667-530
| A |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-11-15 |
|
| 667-531
| A |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-12-28 |
|
| 667-532
| A |
Parkville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2025-12-26 |
|
| 667-533
| A |
Pikesville |
MD |
|
700J WAVENATION, LLC |
238 |
|
2026-01-23 |
|
| 667-534
| A |
Salisbury |
MD |
|
700J WAVENATION, LLC |
242 |
|
2026-01-23 |
|
| 667-535
| A |
Rising Sun |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2026-02-05 |
|
| 667-536
| A |
Still Pond |
MD |
|
490J DISH WIRELESS, LLC |
242 |
|
2026-03-05 |
|
| 667-537
| A |
Essex |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-03-01 |
|
| 667-538
| A |
Churchville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2026-03-20 |
|
| 667-542
| A |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2026-03-14 |
|
| 667-545
| A |
Warwick |
MD |
ESTNMDBNGT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
| 667-549
| A |
Annapolis |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2026-02-19 |
|
| 667-566
| A |
Stevensville |
MD |
SLBRMDXZ0MD |
939H COMMIO, LLC |
242 |
|
|
|
| 667-567
| A |
Havre de Grace |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-576
| A |
Jarrettsville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-577
| A |
Elkton |
MD |
BLTQMD01AMD |
965H FRACTEL, LLC |
238 |
|
|
|
| 667-596
| A |
Pikesville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-01-02 |
|
| 667-600
| A |
Baltimore |
MD |
BLTMMDCHXMD |
139F WORLDCALL INTERCONNECT INC. |
238 |
|
|
|
| 667-622
| A |
Pikesville |
MD |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
|
|
| 667-626
| A |
Catonsville |
MD |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
|
|
| 667-627
| A |
Annapolis |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
| 667-644
| A |
Severna Park |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
|
|
| 667-646
| A |
Annapolis |
MD |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
|
|
| 667-647
| A |
North East |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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