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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-253
| 1 |
Frederick |
MD |
MRBGWVBUX0X |
732J NUSO, LLC |
240 |
|
2024-11-18 |
|
| 227-253
| 2 |
Frederick |
MD |
MRBGWVBUX0X |
732J NUSO, LLC |
240 |
|
2024-11-18 |
|
| 227-253
| 3 |
Frederick |
MD |
MRBGWVBUX0X |
732J NUSO, LLC |
240 |
|
2024-11-18 |
|
| 227-253
| 4 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-11-18 |
|
| 227-253
| 5 |
Frederick |
MD |
MNRVMDMOXFX |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2024-11-21 |
|
| 227-253
| 6 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2024-12-23 |
|
| 227-253
| 7 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2024-12-23 |
|
| 227-253
| 8 |
Frederick |
MD |
CMLDMDCMUMD |
073H TELNYX LLC |
240 |
|
2024-11-18 |
|
| 227-253
| 9 |
Frederick |
MD |
CMLDMDCMUMD |
073H TELNYX LLC |
240 |
|
2024-11-18 |
|
| 227-254
| A |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-11-25 |
|
| 227-254
| 0 |
Washington Zone 10 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-12 |
|
| 227-254
| 1 |
Washington Zone 10 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-12 |
|
| 227-254
| 2 |
Washington Zone 10 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-01-04 |
|
| 227-254
| 3 |
Washington Zone 10 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-11-19 |
|
| 227-254
| 4 |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-01-06 |
|
| 227-254
| 5 |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-11-25 |
|
| 227-254
| 6 |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-11-25 |
|
| 227-254
| 7 |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-11-25 |
|
| 227-254
| 8 |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-11-25 |
|
| 227-254
| 9 |
Washington Zone 10 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-11-25 |
|
| 227-255
| A |
Washington Zone 5 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-12-07 |
|
| 227-255
| 0 |
Washington Zone 5 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-12-07 |
|
| 227-255
| 1 |
Washington Zone 5 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-12-09 |
|
| 227-255
| 2 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-08 |
|
| 227-255
| 3 |
Washington Zone 5 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-01-15 |
|
| 227-255
| 5 |
Washington Zone 5 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-08 |
|
| 227-255
| 6 |
Washington Zone 5 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-08 |
|
| 227-255
| 7 |
Washington Zone 5 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-08 |
|
| 227-255
| 8 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-12-09 |
|
| 227-255
| 9 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-12-09 |
|
| 227-256
| A |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-05 |
|
| 227-256
| 0 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-05 |
|
| 227-256
| 1 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-256
| 2 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-256
| 3 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-256
| 4 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-256
| 5 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-256
| 6 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-256
| 7 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-31 |
|
| 227-256
| 8 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-31 |
|
| 227-256
| 9 |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-12-17 |
|
| 227-257
| A |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-05 |
|
| 227-257
| 0 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-05 |
|
| 227-257
| 1 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-14 |
|
| 227-257
| 2 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-04-06 |
|
| 227-257
| 3 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-05-10 |
|
| 227-257
| 4 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-11-28 |
|
| 227-257
| 8 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-10-12 |
|
| 227-257
| 9 |
Washington Zone 14 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-09-06 |
|
| 227-258
| A |
Gaithersburg |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-22 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 >>
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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