Local Calling Guide
Area code/prefix search
NPA: 240
[Rate centres in NPA 240]
[Dial plan for NPA 240]
NXX: 331
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-331
| A |
Washington Zone 3 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-331
| 0 |
Washington Zone 3 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-331
| 1 |
Washington Zone 3 |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2021-07-14 |
|
| 240-331
| 2 |
Washington Zone 3 |
MD |
WASHDC12MMD |
516J TON80 COMMUNICATIONS, LLC |
236 |
|
2021-10-28 |
|
| 240-331
| 3 |
Washington Zone 3 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-04-15 |
|
| 240-331
| 4 |
Washington Zone 3 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-15 |
|
| 240-331
| 5 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2020-06-13 |
|
| 240-331
| 6 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2020-06-13 |
|
| 240-331
| 7 |
Washington Zone 3 |
MD |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-08-26 |
|
| 240-331
| 8 |
Washington Zone 3 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2020-06-13 |
|
| 240-331
| 9 |
Washington Zone 3 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-15 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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