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 |
| 227-529
| 4 |
Gaithersburg |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2026-02-27 |
|
| 227-529
| 9 |
Gaithersburg |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-02-20 |
|
| 227-666
| A |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2026-02-17 |
|
| 227-666
| 0 |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2026-02-17 |
|
| 227-666
| 6 |
Frederick |
MD |
|
876D ONVOY, LLC - MD |
240 |
|
2026-02-17 |
|
| 227-722
| A |
Waldorf |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-06-26 |
|
| 227-722
| 0 |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-06-27 |
|
| 227-722
| 1 |
Waldorf |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2024-06-27 |
|
| 227-722
| 2 |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-07-12 |
|
| 227-722
| 3 |
Waldorf |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-11-01 |
|
| 227-722
| 4 |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-10-21 |
|
| 227-722
| 5 |
Waldorf |
MD |
BTVLMD18G00 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-12-06 |
|
| 227-722
| 6 |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-07-12 |
|
| 227-722
| 7 |
Waldorf |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-06-26 |
|
| 227-722
| 8 |
Waldorf |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-06-26 |
|
| 227-722
| 9 |
Waldorf |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-09-15 |
|
| 227-727
| A |
Washington Zone 6 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-727
| 0 |
Washington Zone 6 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-02-01 |
|
| 227-727
| 1 |
Washington Zone 6 |
MD |
|
490J BOOST SUBSCRIBERCO L.L.C. |
236 |
|
2026-01-02 |
|
| 227-727
| 2 |
Washington Zone 6 |
MD |
|
490J BOOST SUBSCRIBERCO L.L.C. |
236 |
|
2026-01-13 |
|
| 227-727
| 3 |
Washington Zone 6 |
MD |
|
490J BOOST SUBSCRIBERCO L.L.C. |
236 |
|
2026-02-10 |
|
| 227-727
| 4 |
Washington Zone 6 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2026-01-11 |
|
| 227-727
| 5 |
Washington Zone 6 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-727
| 6 |
Washington Zone 6 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-727
| 7 |
Washington Zone 6 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-727
| 8 |
Washington Zone 6 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-727
| 9 |
Washington Zone 6 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-770
| A |
Washington Zone 11 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-770
| 0 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-04-06 |
|
| 227-770
| 1 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-05-10 |
|
| 227-770
| 2 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-09-28 |
|
| 227-770
| 3 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-11-08 |
|
| 227-770
| 4 |
Washington Zone 11 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-11-08 |
|
| 227-770
| 7 |
Washington Zone 11 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-770
| 8 |
Washington Zone 11 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-770
| 9 |
Washington Zone 11 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-772
| A |
Washington Zone 4 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-772
| 0 |
Washington Zone 4 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2025-01-09 |
|
| 227-772
| 1 |
Washington Zone 4 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2025-01-16 |
|
| 227-772
| 2 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-10-12 |
|
| 227-772
| 3 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-11-28 |
|
| 227-772
| 4 |
Washington Zone 4 |
MD |
|
490J BOOST SUBSCRIBERCO L.L.C. |
236 |
|
2025-02-24 |
|
| 227-772
| 5 |
Washington Zone 4 |
MD |
|
490J BOOST SUBSCRIBERCO L.L.C. |
236 |
|
2025-04-28 |
|
| 227-772
| 6 |
Washington Zone 4 |
MD |
|
490J BOOST SUBSCRIBERCO L.L.C. |
236 |
|
2025-06-23 |
|
| 227-772
| 7 |
Washington Zone 4 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-772
| 8 |
Washington Zone 4 |
MD |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2025-01-02 |
|
| 227-772
| 9 |
Washington Zone 4 |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2025-04-06 |
|
| 227-777
| A |
Ashton (Baltimore LATA) |
MD |
BLTMMDCHYMD |
530H WIDE VOICE, LLC - MD |
238 |
|
|
|
| 227-777
| 1 |
Ashton (Baltimore LATA) |
MD |
BLTMMDCHXVX |
321J HD CARRIER LLC |
238 |
|
2023-09-30 |
|
| 227-777
| 2 |
Ashton (Baltimore LATA) |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2023-11-13 |
|
<< 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
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.