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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
667-353 A Cardiff MD BLTQMD01DS0  469J CORETEL MARYLAND, INC. - MD 238      
667-353 0 Cardiff MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-10-28   
667-353 1 Cardiff MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2021-05-28   
667-353 2 Cardiff MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-22   
667-353 4 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-353 5 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-353 7 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-12-19   
667-353 8 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-06   
667-353 9 Cardiff MD BLTQMD01DS0  469J CORETEL MARYLAND, INC. - MD 238   2019-11-11   
667-354 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-354 0 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-10   
667-354 1 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-10   
667-354 2 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-10   
667-354 3 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-10   
667-354 4 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-10   
667-354 5 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2022-01-22   
667-354 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-12-09   
667-354 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-12-09   
667-354 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-12-09   
667-354 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-12-09   
667-355 A Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
667-355 0 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-01   
667-355 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-01   
667-355 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-01   
667-355 3 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-01   
667-355 4 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-24   
667-355 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-12-09   
667-355 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-12-09   
667-355 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-12-09   
667-355 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-12-09   
667-355 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-12-09   
667-356 A Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-356 0 Severn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-05-24   
667-356 1 Severn MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-13   
667-356 2 Severn MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-13   
667-356 3 Severn MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-356 4 Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-356 5 Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-356 6 Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-25   
667-356 7 Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-22   
667-356 8 Severn MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-17   
667-356 9 Severn MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-17   
667-357 A Greensboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-357 0 Greensboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-357 2 Greensboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-09-25   
667-357 3 Greensboro MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-357 4 Greensboro MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-19   
667-357 5 Greensboro MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-19   
667-357 6 Greensboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-17   
667-357 7 Greensboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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