Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
NXX: 502
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-502
| A |
Columbia |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-10 |
|
| 667-502
| 0 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2025-10-13 |
|
| 667-502
| 1 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2026-01-04 |
|
| 667-502
| 2 |
Columbia |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2026-06-13 |
|
| 667-502
| 3 |
Columbia |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-07-21 |
|
| 667-502
| 4 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2026-06-29 |
|
| 667-502
| 5 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2025-03-02 |
|
| 667-502
| 6 |
Columbia |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-10 |
|
| 667-502
| 7 |
Columbia |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-10 |
|
| 667-502
| 8 |
Columbia |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-10 |
|
| 667-502
| 9 |
Columbia |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-02-10 |
|
Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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