Local Calling Guide
Area code/prefix search
NPA: 240
[Rate centres in NPA 240]
[Dial plan for NPA 240]
NXX: 266
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-266
| A |
Washington Zone 14 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-266
| 0 |
Washington Zone 14 |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-266
| 1 |
Washington Zone 14 |
MD |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2021-10-07 |
|
| 240-266
| 2 |
Washington Zone 14 |
MD |
|
516J TON80 COMMUNICATIONS, LLC |
236 |
|
2021-06-10 |
|
| 240-266
| 3 |
Washington Zone 14 |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-04-19 |
|
| 240-266
| 4 |
Washington Zone 14 |
MD |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-09-10 |
|
| 240-266
| 5 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-09-24 |
|
| 240-266
| 6 |
Washington Zone 14 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-10-31 |
|
| 240-266
| 7 |
Washington Zone 14 |
MD |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 240-266
| 8 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2021-09-24 |
|
| 240-266
| 9 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2020-04-30 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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