Local Calling Guide
Area code/prefix search
NPA: 227
[Rate centres in NPA 227]
[Dial plan for NPA 227]
Block: A
1 2 3 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-200
| A |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 227-201
| A |
Myersville |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
| 227-202
| A |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 227-203
| A |
Frederick |
MD |
FRDRMDFRX7X |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
240 |
|
|
|
| 227-204
| A |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 227-205
| A |
Washington Zone 4 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 227-206
| A |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 227-207
| A |
Bittinger |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
|
|
| 227-208
| A |
Flintstone |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
|
|
| 227-209
| A |
Grantsville |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
|
|
| 227-210
| A |
McCoole |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
|
|
| 227-212
| A |
Westernport |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
|
|
| 227-213
| A |
Ashton |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 227-214
| A |
Myersville |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
| 227-215
| A |
Laurel |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 227-216
| A |
Washington Zone 10 |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 227-217
| A |
Myersville |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
|
|
| 227-218
| A |
Washington Zone 14 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 227-219
| A |
Ashton |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 227-220
| A |
Waldorf |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-01-07 |
|
| 227-221
| A |
Smithsburg |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2024-01-25 |
|
| 227-222
| A |
Washington Zone 16 |
MD |
WASHDCSWFMD |
530H WIDE VOICE, LLC - MD |
236 |
|
|
|
| 227-223
| A |
Frederick |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2024-01-22 |
|
| 227-224
| A |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-05 |
|
| 227-225
| A |
Laurel |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-03-01 |
|
| 227-226
| A |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-03-30 |
|
| 227-227
| A |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-03-30 |
|
| 227-228
| A |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-03-30 |
|
| 227-229
| A |
Washington Zone 4 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-03-30 |
|
| 227-230
| A |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-03-30 |
|
| 227-231
| A |
Washington Zone 6 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-03-30 |
|
| 227-232
| A |
Laurel |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-04-05 |
|
| 227-233
| A |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-04-08 |
|
| 227-234
| A |
Leonardtown |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-04-29 |
|
| 227-235
| A |
Hughesville |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-05-16 |
|
| 227-236
| A |
Washington Zone 10 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-05-02 |
|
| 227-237
| A |
Myersville |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2024-06-15 |
|
| 227-238
| A |
Washington Zone 14 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-06-20 |
|
| 227-239
| A |
Hagerstown |
MD |
CMLDMD303MD |
475J CALLWORKS CORPORATION |
240 |
|
2024-07-11 |
|
| 227-240
| A |
Washington Zone 11 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-07-21 |
|
| 227-241
| A |
Washington Zone 10 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-07-07 |
|
| 227-242
| A |
Middletown |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-07-27 |
|
| 227-243
| A |
Ashton |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-08-03 |
|
| 227-244
| A |
Ridge |
MD |
|
321J HD CARRIER LLC |
236 |
|
|
|
| 227-245
| A |
Gaithersburg |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-08-04 |
|
| 227-246
| A |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-08-11 |
|
| 227-247
| A |
Thurmont |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-08-15 |
|
| 227-248
| A |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-08-24 |
|
| 227-249
| A |
Washington Zone 4 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-09-14 |
|
| 227-250
| A |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-09-21 |
|
1 2 3 >>
Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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