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
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-800
| 1 |
Frederick |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2025-01-21 |
|
| 227-800
| 2 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2025-01-02 |
|
| 227-800
| 3 |
Frederick |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2025-01-21 |
|
| 227-800
| 4 |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2025-04-06 |
|
| 227-800
| 5 |
Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2025-04-15 |
|
| 227-800
| 6 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2025-01-02 |
|
| 227-800
| 7 |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2025-03-02 |
|
| 227-800
| 8 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2025-01-02 |
|
| 227-800
| 9 |
Frederick |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2025-01-02 |
|
| 227-888
| A |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCHYMD |
530H WIDE VOICE, LLC - MD |
238 |
|
|
|
| 227-888
| 0 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-04-13 |
|
| 227-888
| 1 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-07-12 |
|
| 227-888
| 3 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2024-11-20 |
|
| 227-888
| 4 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2024-01-14 |
|
| 227-888
| 5 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2024-01-14 |
|
| 227-888
| 6 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-11-04 |
|
| 227-888
| 7 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2023-11-20 |
|
| 227-888
| 8 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCHYMD |
530H WIDE VOICE, LLC - MD |
238 |
|
2023-11-20 |
|
| 227-888
| 9 |
Washington Zone 15 (Baltimore LATA) |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-10-04 |
|
| 227-997
| A |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-04-11 |
|
| 227-997
| 0 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-04-11 |
|
| 227-997
| 1 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-04-11 |
|
| 227-997
| 2 |
Washington Zone 2 |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2025-04-11 |
|
| 227-997
| 3 |
Washington Zone 2 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-04-14 |
|
| 227-997
| 7 |
Washington Zone 2 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-05-10 |
|
| 227-997
| 8 |
Washington Zone 2 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-05-10 |
|
| 227-997
| 9 |
Washington Zone 2 |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2025-04-14 |
|
| 227-998
| A |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-11-22 |
|
| 227-998
| 0 |
Washington Zone 2 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-11-22 |
|
| 227-998
| 1 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-25 |
|
| 227-998
| 2 |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-25 |
|
| 227-998
| 3 |
Washington Zone 2 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-12-02 |
|
| 227-998
| 4 |
Washington Zone 2 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 5 |
Washington Zone 2 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 6 |
Washington Zone 2 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-12-05 |
|
| 227-998
| 7 |
Washington Zone 2 |
MD |
ARTNVAARXKY |
732J NUSO, LLC |
236 |
|
2024-11-25 |
|
| 227-998
| 8 |
Washington Zone 2 |
MD |
ARTNVAARXKY |
732J NUSO, LLC |
236 |
|
2024-11-25 |
|
| 227-998
| 9 |
Washington Zone 2 |
MD |
ARTNVAARXKY |
732J NUSO, LLC |
236 |
|
2024-11-25 |
|
| 227-999
| A |
Washington Zone 10 |
MD |
WASHDCSWFMD |
530H WIDE VOICE, LLC - MD |
236 |
|
|
|
| 227-999
| 0 |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-10-01 |
|
| 227-999
| 1 |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-19 |
|
| 227-999
| 2 |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-19 |
|
| 227-999
| 3 |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-19 |
|
| 227-999
| 4 |
Washington Zone 10 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-01-14 |
|
| 227-999
| 5 |
Washington Zone 10 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-01-14 |
|
| 227-999
| 6 |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-19 |
|
| 227-999
| 7 |
Washington Zone 10 |
MD |
WASHDCSWNMD |
321J HD CARRIER LLC |
236 |
|
2023-12-15 |
|
| 227-999
| 8 |
Washington Zone 10 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-19 |
|
| 227-999
| 9 |
Washington Zone 10 |
MD |
WASHDCSWFMD |
530H WIDE VOICE, LLC - MD |
236 |
|
2023-12-15 |
|
<< 1 2 3 4 5 6 7 8 9
Last updated: Wed, 18 Jun 2025 02:30:00 UTC
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