Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-292 1 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-11-20   
227-292 2 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-11-20   
227-292 3 Ashton MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-12-14   
227-292 4 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-23   
227-292 6 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-292 7 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-292 8 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-292 9 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-293 A Cumberland MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-293 0 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2025-12-14   
227-293 1 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2026-06-22   
227-293 2 Cumberland MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-293 3 Cumberland MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-293 4 Cumberland MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-293 8 Cumberland MD   876D ONVOY, LLC - MD 240   2026-08-15   
227-294 A Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-12-26   
227-294 0 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-12-26   
227-294 1 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-12-26   
227-294 2 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-12-26   
227-294 3 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-07   
227-294 4 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-06-22   
227-294 5 Washington Zone 13 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-08-08   
227-294 6 Washington Zone 13 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-08-10   
227-294 7 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2026-08-20   
227-294 8 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-01-11   
227-294 9 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-01-11   
227-295 A Hagerstown MD HGTWMD53JMD  700J WAVENATION, LLC 240   2026-01-23   
227-295 0 Hagerstown MD HGTWMD53JMD  700J WAVENATION, LLC 240   2026-01-23   
227-295 2 Hagerstown MD CMLDMDCMUMD  073H TELNYX LLC 240   2026-05-25   
227-295 5 Hagerstown MD HGTWMD53DMD  321J HD CARRIER LLC 240   2026-01-26   
227-295 6 Hagerstown MD HGTWMD53DMD  321J HD CARRIER LLC 240   2026-01-26   
227-295 7 Hagerstown MD HGTWMD53DMD  321J HD CARRIER LLC 240   2026-01-26   
227-295 8 Hagerstown MD   876D ONVOY, LLC - MD 240   2026-08-21   
227-295 9 Hagerstown MD   876D ONVOY, LLC - MD 240   2026-08-21   
227-296 A Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-03-23   
227-296 0 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-03-23   
227-296 1 Washington Zone 12 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-06   
227-296 8 Washington Zone 12 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-08-15   
227-296 9 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-06-13   
227-297 A Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 0 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 1 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 2 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 3 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-04-25   
227-297 4 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-06-07   
227-297 5 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-06-07   
227-297 6 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-06-07   
227-297 7 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-06-07   
227-297 8 Laurel MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-06   
227-297 9 Laurel MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-05-30   
227-298 A Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-05-01   
227-298 0 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2026-05-01   
227-298 1 Washington Zone 10 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-05-09   
227-298 8 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-06-13   
227-298 9 Washington Zone 10 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-07   
227-299 A Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2026-04-27   
227-299 9 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2026-04-27   
227-300 A Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 0 Ashton MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-01-12   
227-300 1 Ashton MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-06-15   
227-300 7 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 8 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-300 9 Ashton MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-301 A Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 0 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-06-13   
227-301 1 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
227-301 2 Washington Zone 2 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-08-09   
227-301 3 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 4 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 5 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 6 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 7 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 8 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 9 Washington Zone 2 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-302 A Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-06-04   
227-302 0 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-06-04   
227-302 1 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-07-28   
227-302 2 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-08-25   
227-302 3 Washington Zone 4 MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2026-09-28   
227-302 7 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2026-08-20   
227-302 8 Washington Zone 4 MD   876D ONVOY, LLC - MD 236   2026-08-20   
227-302 9 Washington Zone 4 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
227-303 A Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-303 0 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-12-19   
227-303 1 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 2 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-01-11   
227-303 3 Washington Zone 10 MD WASHDCSWNMD  321J HD CARRIER LLC 236   2026-01-18   
227-303 4 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 5 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 6 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 7 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 8 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-303 9 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
227-304 A Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-15   
227-304 0 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 1 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 2 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 3 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 4 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 5 Washington Zone 10 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.