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: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-529 2 Hurlock MD   624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-529 3 Hurlock MD   965H FRACTEL, LLC 242   2021-08-05   
667-529 4 Hurlock MD   876D ONVOY, LLC - MD 242   2021-08-06   
667-529 5 Hurlock MD   876D ONVOY, LLC - MD 242   2021-08-06   
667-529 6 Hurlock MD   876D ONVOY, LLC - MD 242   2022-03-13   
667-529 7 Hurlock MD   876D ONVOY, LLC - MD 242   2022-03-13   
667-529 8 Hurlock MD   624H ONVOY SPECTRUM, LLC 242   2021-08-06   
667-529 9 Hurlock MD   965H FRACTEL, LLC 242   2021-08-05   
667-530 A Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-11-15   
667-530 0 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 1 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 2 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 3 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 4 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 5 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-30   
667-530 6 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-30   
667-530 9 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-11-15   
667-531 A Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-28   
667-531 8 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-28   
667-531 9 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-28   
667-532 A Parkville MD   876D ONVOY, LLC - MD 238   2025-12-26   
667-532 0 Parkville MD   876D ONVOY, LLC - MD 238   2025-12-26   
667-532 9 Parkville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-01-14   
667-533 A Pikesville MD   700J WAVENATION, LLC 238   2026-01-23   
667-533 0 Pikesville MD   700J WAVENATION, LLC 238   2026-01-23   
667-534 A Salisbury MD   700J WAVENATION, LLC 242   2026-01-23   
667-534 0 Salisbury MD   700J WAVENATION, LLC 242   2026-01-23   
667-535 A Rising Sun MD   490J DISH WIRELESS, LLC 238   2026-02-05   
667-535 0 Rising Sun MD   490J DISH WIRELESS, LLC 238   2026-02-05   
667-535 1 Rising Sun MD   490J DISH WIRELESS, LLC 238   2026-03-23   
667-535 5 Rising Sun MD   145J TERRA NOVA TELECOM INC. 238   2026-02-06   
667-536 A Still Pond MD   490J DISH WIRELESS, LLC 242   2026-03-05   
667-536 0 Still Pond MD   490J DISH WIRELESS, LLC 242   2026-03-05   
667-536 1 Still Pond MD   490J DISH WIRELESS, LLC 242   2026-03-05   
667-545 A Warwick MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-545 0 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-545 1 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-545 2 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-545 3 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-545 4 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-545 5 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-545 6 Warwick MD   876D ONVOY, LLC - MD 242   2021-04-02   
667-545 7 Warwick MD   876D ONVOY, LLC - MD 242   2021-04-02   
667-545 8 Warwick MD   876D ONVOY, LLC - MD 242   2019-03-10   
667-545 9 Warwick MD   876D ONVOY, LLC - MD 242   2019-03-10   
667-549 A Annapolis MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2026-02-19   
667-549 8 Annapolis MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2026-02-19   
667-549 9 Annapolis MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2026-02-19   
667-566 A Stevensville MD SLBRMDXZ0MD  939H COMMIO, LLC 242      
667-566 0 Stevensville MD   876D ONVOY, LLC - MD 242   2023-10-22   
667-566 1 Stevensville MD   876D ONVOY, LLC - MD 242   2023-10-22   
667-566 2 Stevensville MD   876D ONVOY, LLC - MD 242   2023-10-22   
667-566 3 Stevensville MD   876D ONVOY, LLC - MD 242   2023-10-22   
667-566 4 Stevensville MD   876D ONVOY, LLC - MD 242   2023-10-22   
667-566 6 Stevensville MD   939H COMMIO, LLC 242   2022-11-18   
667-566 7 Stevensville MD   876D ONVOY, LLC - MD 242   2024-05-03   
667-566 8 Stevensville MD   939H COMMIO, LLC 242   2023-12-21   
667-566 9 Stevensville MD   939H COMMIO, LLC 242   2023-12-21   
667-567 A Havre de Grace MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-567 0 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-05-23   
667-567 1 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-05-23   
667-567 2 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-09-23   
667-567 3 Havre de Grace MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-01-01   
667-567 4 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-05-23   
667-567 5 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-05-23   
667-567 6 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-05-22   
667-567 7 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-05-23   
667-567 8 Havre de Grace MD   876D ONVOY, LLC - MD 238   2021-05-23   
667-567 9 Havre de Grace MD   624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-576 A Jarrettsville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-576 1 Jarrettsville MD   490J DISH WIRELESS, LLC 238   2022-09-08   
667-576 2 Jarrettsville MD   876D ONVOY, LLC - MD 238   2021-07-11   
667-576 3 Jarrettsville MD   876D ONVOY, LLC - MD 238   2021-07-11   
667-576 4 Jarrettsville MD   876D ONVOY, LLC - MD 238   2023-11-24   
667-576 5 Jarrettsville MD   624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-576 6 Jarrettsville MD   876D ONVOY, LLC - MD 238   2021-05-22   
667-576 7 Jarrettsville MD   624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-576 8 Jarrettsville MD   624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-576 9 Jarrettsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-01-03   
667-577 A Elkton MD BLTQMD01AMD  965H FRACTEL, LLC 238      
667-577 0 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-09   
667-577 1 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-09   
667-577 2 Elkton MD   318J COMCAST IP PHONE, LLC 238   2021-10-07   
667-577 3 Elkton MD   318J COMCAST IP PHONE, LLC 238   2021-10-07   
667-577 4 Elkton MD   876D ONVOY, LLC - MD 238   2023-08-10   
667-577 5 Elkton MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-10-10   
667-577 6 Elkton MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-577 7 Elkton MD   965H FRACTEL, LLC 238   2020-09-12   
667-577 8 Elkton MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-577 9 Elkton MD   876D ONVOY, LLC - MD 238   2021-03-04   
667-596 A Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-02   
667-596 0 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-03   
667-596 1 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-03   
667-596 2 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-03   
667-596 3 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-03   
667-596 4 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-02   
667-596 5 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-02   
667-596 6 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-02   
667-596 7 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-02   
667-596 8 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-02   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.