Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
NXX: 254
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-254
| A |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
| 667-254
| 0 |
Chestertown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2024-05-23 |
|
| 667-254
| 1 |
Chestertown |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
242 |
|
2026-09-11 |
|
| 667-254
| 2 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 3 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 4 |
Chestertown |
MD |
ESTNMDES5MD |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
242 |
|
2020-10-04 |
|
| 667-254
| 5 |
Chestertown |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2022-08-21 |
|
| 667-254
| 6 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 7 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 8 |
Chestertown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 667-254
| 9 |
Chestertown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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