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
667-279 6 Bishopville MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-03   
667-279 7 Bishopville MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-03   
667-279 8 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-12-21   
667-280 A Ellicott City MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238      
667-280 0 Ellicott City MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-03-12   
667-280 1 Ellicott City MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-20   
667-280 3 Ellicott City MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2020-06-19   
667-280 4 Ellicott City MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-280 5 Ellicott City MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-280 6 Ellicott City MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-280 7 Ellicott City MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2020-06-19   
667-280 8 Ellicott City MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-22   
667-280 9 Ellicott City MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-281 A Salisbury MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242      
667-281 0 Salisbury MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2016-07-16   
667-281 1 Salisbury MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2016-07-16   
667-281 2 Salisbury MD   829J PAETEC ITEL, LLC 242   2022-03-21   
667-281 3 Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-08-10   
667-281 4 Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-08-10   
667-281 6 Salisbury MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2021-03-24   
667-281 7 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-281 9 Salisbury MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2018-12-26   
667-282 A Tilghman MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-282 1 Tilghman MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-07-25   
667-282 2 Tilghman MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-07-25   
667-282 3 Tilghman MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-282 4 Tilghman MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-282 5 Tilghman MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-282 7 Tilghman MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-282 8 Tilghman MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   
667-282 9 Tilghman MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   
667-283 A Fork MD BLTMMDCHXAX  7421 AT&T - LOCAL 238      
667-283 0 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-08   
667-283 1 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-04-09   
667-283 2 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-283 3 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-11   
667-283 4 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-11   
667-283 5 Fork MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238   2022-03-29   
667-283 6 Fork MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-20   
667-283 7 Fork MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-20   
667-283 8 Fork MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-02-26   
667-283 9 Fork MD BLTMMDCHXAX  7421 AT&T - LOCAL 238   2020-08-24   
667-284 A Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-284 0 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 1 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 2 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 3 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 4 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 5 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 6 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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