Local Calling Guide
Area code/prefix search
Switch: WASHDCRKDS3
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 202-464
| A |
Washington Zone 1 |
DC |
4937 ALLEGIANCE TELECOM OF THE DISTRICT OF COLUMBIA |
236 |
|
|
|
| 240-223
| A |
Washington Zone 2 |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-243
| A |
Gaithersburg |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-247
| A |
Washington Zone 3 |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-260
| A |
Washington Zone 14 |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-268
| A |
Washington Zone 10 |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-290
| A |
Washington Zone 11 |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-306
| A |
Gaithersburg |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-548
| A |
Washington Zone 14 |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-553
| A |
Washington Zone 13 |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-554
| A |
Laurel |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 240-559
| A |
Ashton |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
| 443-753
| A |
Waterloo (Washington DC LATA) |
MD |
8992 ALLEGIANCE TELECOM, INC. - MD |
236 |
|
|
|
Last updated: Mon, 24 May 2021 01:28:43 UTC
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