Local Calling Guide

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NPA: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-285 6 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-285 7 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-285 8 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-285 9 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 A Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 0 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 1 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 2 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 3 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 4 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 5 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 6 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 7 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 8 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-286 9 Myersville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-08-14   
227-287 A Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 0 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 1 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 2 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 3 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 4 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 5 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 6 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 7 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 8 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 9 Washington Zone 10 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-288 A Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-04   
227-288 0 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-04   
227-288 1 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-04   
227-288 2 Hagerstown MD   490J DISH WIRELESS, LLC 240   2025-10-06   
227-288 3 Hagerstown MD   490J DISH WIRELESS, LLC 240   2025-12-04   
227-288 4 Hagerstown MD   490J DISH WIRELESS, LLC 240   2026-02-12   
227-288 7 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-18   
227-288 8 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-18   
227-288 9 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-18   
227-289 A Waldorf MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-11   
227-289 9 Waldorf MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-11   
227-290 A Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-11-15   
227-290 0 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-11-15   
227-290 1 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-11-15   
227-290 2 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-11-15   
227-290 3 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-11-15   
227-290 4 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-11-15   
227-291 A Friendsville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2025-09-08   
227-291 9 Friendsville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2025-09-08   
227-292 A Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-292 6 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-292 7 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-292 8 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-292 9 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-21   
227-293 A Cumberland MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-293 2 Cumberland MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-293 3 Cumberland MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-293 4 Cumberland MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2025-09-28   
227-333 A Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 0 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-17   
227-333 3 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 4 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 5 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-333 6 Washington Zone 16 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-334 A Keedysville MD FRDRMDFRX2Y  7421 AT&T - LOCAL 240   2024-12-23   
227-334 0 Keedysville MD   876D ONVOY, LLC - MD 240   2025-10-12   
227-334 4 Keedysville MD   145J TERRA NOVA TELECOM INC. 240   2025-02-13   
227-334 9 Keedysville MD FRDRMDFRX2Y  7421 AT&T - LOCAL 240   2024-12-23   
227-338 A Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-04   
227-338 9 Washington Zone 10 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-04   
227-368 A Mechanicsville MD WASHDCSWFMD  530H WIDE VOICE, LLC - MD 236      
227-368 0 Mechanicsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-03-07   
227-368 1 Mechanicsville MD   876D ONVOY, LLC - MD 236   2025-10-12   
227-368 6 Mechanicsville MD WASHDCSWFMD  530H WIDE VOICE, LLC - MD 236   2023-10-21   
227-444 A Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-444 4 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-444 5 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-444 6 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-444 7 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2025-10-16   
227-444 8 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2025-10-19   
227-444 9 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2025-10-19   
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 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 7 Washington Zone 11 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2025-01-02   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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