Local Calling Guide
Area code/prefix search
NPA: 227
[Rate centres in NPA 227]
[Dial plan for NPA 227]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-310
| 4 |
Washington Zone 10 |
MD |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-04-27 |
|
| 227-310
| 5 |
Washington Zone 10 |
MD |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-04-27 |
|
| 227-310
| 6 |
Washington Zone 10 |
MD |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-04-27 |
|
| 227-310
| 7 |
Washington Zone 10 |
MD |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-04-27 |
|
| 227-310
| 8 |
Washington Zone 10 |
MD |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-04-27 |
|
| 227-312
| A |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-09-28 |
|
| 227-312
| 0 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-09-28 |
|
| 227-312
| 7 |
Washington Zone 11 |
MD |
|
824J OPENTACT INC. |
236 |
|
2026-10-16 |
|
| 227-313
| A |
Washington Zone 5 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-09-28 |
|
| 227-313
| 0 |
Washington Zone 5 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-09-28 |
|
| 227-313
| 1 |
Washington Zone 5 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2026-10-16 |
|
| 227-313
| 3 |
Washington Zone 5 |
MD |
|
820C INTRADO COMMUNICATIONS, LLC |
236 |
|
2026-10-15 |
|
| 227-313
| 7 |
Washington Zone 5 |
MD |
|
824J OPENTACT INC. |
236 |
|
2026-10-23 |
|
| 227-313
| 8 |
Washington Zone 5 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-09-29 |
|
| 227-313
| 9 |
Washington Zone 5 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-09-29 |
|
| 227-314
| A |
Waldorf |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-04 |
|
| 227-314
| 0 |
Waldorf |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2026-10-05 |
|
| 227-314
| 1 |
Waldorf |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-10-05 |
|
| 227-314
| 2 |
Waldorf |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-10-05 |
|
| 227-314
| 3 |
Waldorf |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-10-05 |
|
| 227-314
| 4 |
Waldorf |
MD |
|
820C INTRADO COMMUNICATIONS, LLC |
236 |
|
2026-11-01 |
|
| 227-314
| 7 |
Waldorf |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2026-10-16 |
|
| 227-314
| 8 |
Waldorf |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-04 |
|
| 227-314
| 9 |
Waldorf |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-04 |
|
| 227-315
| A |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 227-315
| 0 |
Ashton |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2026-06-06 |
|
| 227-315
| 1 |
Ashton |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-08-23 |
|
| 227-315
| 7 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2026-11-08 |
|
| 227-315
| 8 |
Ashton |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-07-24 |
|
| 227-315
| 9 |
Ashton |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2026-09-25 |
|
| 227-316
| A |
Brunswick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2026-10-03 |
|
| 227-316
| 0 |
Brunswick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2026-10-03 |
|
| 227-316
| 7 |
Brunswick |
MD |
|
962J VERSATEL LLC |
240 |
|
2026-10-08 |
|
| 227-317
| A |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2026-10-03 |
|
| 227-317
| 0 |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2026-10-03 |
|
| 227-317
| 7 |
Frederick |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2026-10-09 |
|
| 227-317
| 8 |
Frederick |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2026-10-05 |
|
| 227-317
| 9 |
Frederick |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2026-10-05 |
|
| 227-318
| A |
Myersville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2026-10-09 |
|
| 227-318
| 9 |
Myersville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2026-10-09 |
|
| 227-319
| A |
Washington Zone 10 |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-26 |
|
| 227-319
| 0 |
Washington Zone 10 |
MD |
|
820C INTRADO COMMUNICATIONS, LLC |
236 |
|
2026-10-27 |
|
| 227-319
| 1 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2026-10-27 |
|
| 227-319
| 2 |
Washington Zone 10 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2026-10-27 |
|
| 227-319
| 7 |
Washington Zone 10 |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-26 |
|
| 227-319
| 8 |
Washington Zone 10 |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-26 |
|
| 227-319
| 9 |
Washington Zone 10 |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-26 |
|
| 227-320
| A |
Laurel |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-10-30 |
|
| 227-320
| 0 |
Laurel |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2026-11-02 |
|
| 227-320
| 1 |
Laurel |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2026-11-02 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 >>
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.