Local Calling Guide
Area code/prefix search
NPA: 301
[Rate centres in NPA 301]
[Dial plan for NPA 301]
NXX: 556
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-556
| A |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 0 |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 1 |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 2 |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 3 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-556
| 4 |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 5 |
Gaithersburg |
MD |
LARLMDCCDS0 |
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
236 |
|
|
|
301-556
| 6 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-556
| 7 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-556
| 8 |
Gaithersburg |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
301-556
| 9 |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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