Local Calling Guide
Area code/prefix search
NPA: 227
[Rate centres in NPA 227]
[Dial plan for NPA 227]
NXX: 245
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-245
| A |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-08-04 |
|
| 227-245
| 0 |
Gaithersburg |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-08-04 |
|
| 227-245
| 1 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-09-29 |
|
| 227-245
| 2 |
Gaithersburg |
MD |
|
490J DISH WIRELESS, LLC |
236 |
|
2024-10-24 |
|
| 227-245
| 3 |
Gaithersburg |
MD |
|
490J DISH WIRELESS, LLC |
236 |
|
2025-01-20 |
|
| 227-245
| 4 |
Gaithersburg |
MD |
|
490J DISH WIRELESS, LLC |
236 |
|
2026-02-09 |
|
| 227-245
| 5 |
Gaithersburg |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-09-27 |
|
| 227-245
| 6 |
Gaithersburg |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-17 |
|
| 227-245
| 7 |
Gaithersburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-10-06 |
|
| 227-245
| 8 |
Gaithersburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-10-06 |
|
| 227-245
| 9 |
Gaithersburg |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-10-06 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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