Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-669 2 Galena MD   876D ONVOY, LLC - MD 242   2021-09-25   
667-669 5 Galena MD   876D ONVOY, LLC - MD 242   2021-12-20   
667-669 6 Galena MD   624H ONVOY SPECTRUM, LLC 242   2021-08-16   
667-669 7 Galena MD   624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-669 8 Galena MD   624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-670 A Sudlersville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-670 0 Sudlersville MD   876D ONVOY, LLC - MD 242   2021-05-18   
667-670 1 Sudlersville MD   876D ONVOY, LLC - MD 242   2021-05-18   
667-670 3 Sudlersville MD   624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-670 6 Sudlersville MD   876D ONVOY, LLC - MD 242   2021-05-17   
667-670 7 Sudlersville MD   876D ONVOY, LLC - MD 242   2021-05-21   
667-670 8 Sudlersville MD   490J DISH WIRELESS, LLC 242   2022-12-20   
667-676 A Willards MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-676 0 Willards MD   073H TELNYX LLC 242   2021-03-04   
667-676 1 Willards MD   624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-676 2 Willards MD   624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-676 4 Willards MD   624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-676 6 Willards MD   876D ONVOY, LLC - MD 242   2020-11-21   
667-676 7 Willards MD   876D ONVOY, LLC - MD 242   2020-11-21   
667-676 8 Willards MD   876D ONVOY, LLC - MD 242   2021-07-12   
667-677 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-677 0 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 1 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 2 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 3 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 4 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 5 Baltimore MD   876D ONVOY, LLC - MD 238   2015-06-09   
667-677 6 Baltimore MD   876D ONVOY, LLC - MD 238   2015-06-09   
667-677 7 Baltimore MD   876D ONVOY, LLC - MD 238   2015-06-09   
667-677 8 Baltimore MD   876D ONVOY, LLC - MD 238   2015-06-09   
667-677 9 Baltimore MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-11-05   
667-678 A Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-678 0 Columbia MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-16   
667-678 1 Columbia MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-16   
667-678 2 Columbia MD   876D ONVOY, LLC - MD 238   2021-10-15   
667-678 3 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-10-24   
667-678 4 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-10-24   
667-678 5 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-10-24   
667-678 6 Columbia MD   939H COMMIO, LLC 238   2021-10-16   
667-678 7 Columbia MD   939H COMMIO, LLC 238   2021-10-16   
667-678 8 Columbia MD   939H COMMIO, LLC 238   2021-10-16   
667-678 9 Columbia MD   939H COMMIO, LLC 238   2021-10-16   
667-686 A Ellicott City MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-686 0 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 1 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 2 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 3 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 4 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 5 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 6 Ellicott City MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2018-12-07   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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