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 |
| 227-221
| 4 |
Smithsburg |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2024-01-25 |
|
| 227-222
| A |
Washington Zone 16 |
MD |
WASHDCSWFMD |
530H WIDE VOICE, LLC - MD |
236 |
|
|
|
| 227-222
| 0 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-06-08 |
|
| 227-222
| 1 |
Washington Zone 16 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2024-11-11 |
|
| 227-222
| 2 |
Washington Zone 16 |
MD |
WASHDCSWFMD |
530H WIDE VOICE, LLC - MD |
236 |
|
2023-12-18 |
|
| 227-222
| 3 |
Washington Zone 16 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-01-14 |
|
| 227-222
| 4 |
Washington Zone 16 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-01-14 |
|
| 227-222
| 5 |
Washington Zone 16 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-05-10 |
|
| 227-222
| 6 |
Washington Zone 16 |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-07-27 |
|
| 227-222
| 7 |
Washington Zone 16 |
MD |
WASHDCSWNMD |
321J HD CARRIER LLC |
236 |
|
2023-12-18 |
|
| 227-222
| 8 |
Washington Zone 16 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-03-09 |
|
| 227-222
| 9 |
Washington Zone 16 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-11-10 |
|
| 227-223
| A |
Frederick |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2024-01-22 |
|
| 227-223
| 0 |
Frederick |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2024-01-22 |
|
| 227-223
| 1 |
Frederick |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2024-01-22 |
|
| 227-223
| 2 |
Frederick |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2024-01-22 |
|
| 227-223
| 3 |
Frederick |
MD |
HGTWMD53FMD |
490J BOOST SUBSCRIBERCO L.L.C. |
240 |
|
2024-01-23 |
|
| 227-223
| 4 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2025-01-13 |
|
| 227-223
| 5 |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2025-06-02 |
|
| 227-223
| 6 |
Frederick |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2025-06-02 |
|
| 227-223
| 7 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2024-10-19 |
|
| 227-223
| 8 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2024-10-19 |
|
| 227-223
| 9 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2024-01-28 |
|
| 227-224
| A |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-05 |
|
| 227-224
| 0 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-10 |
|
| 227-224
| 1 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-10 |
|
| 227-224
| 2 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-10 |
|
| 227-224
| 3 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-10 |
|
| 227-224
| 4 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-10 |
|
| 227-224
| 5 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-10 |
|
| 227-224
| 6 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-05 |
|
| 227-224
| 7 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-05 |
|
| 227-224
| 8 |
Washington Zone 2 |
MD |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-05 |
|
| 227-224
| 9 |
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 |
|
| 227-225
| 0 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-03-02 |
|
| 227-225
| 1 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-03-02 |
|
| 227-225
| 2 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-03-02 |
|
| 227-225
| 3 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-03-02 |
|
| 227-225
| 4 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-03-02 |
|
| 227-225
| 5 |
Laurel |
MD |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2024-03-02 |
|
| 227-225
| 6 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-11-12 |
|
| 227-225
| 7 |
Laurel |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-03-01 |
|
| 227-225
| 8 |
Laurel |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-03-01 |
|
| 227-225
| 9 |
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 |
|
| 227-226
| 0 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-03-30 |
|
| 227-226
| 1 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-03-30 |
|
| 227-226
| 2 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-03-30 |
|
| 227-226
| 3 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-03-30 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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