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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
667-338 4 Crofton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-10-31   
667-338 5 Crofton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-11-28   
667-338 6 Crofton MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-12   
667-338 7 Crofton MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-12   
667-338 8 Crofton MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-01   
667-338 9 Crofton MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2022-10-07   
667-339 A Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-339 0 Sykesville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-339 1 Sykesville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-339 2 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-10-31   
667-339 3 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-10-31   
667-339 4 Sykesville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-24   
667-339 5 Sykesville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-24   
667-339 6 Sykesville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-12   
667-339 7 Sykesville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-12   
667-339 8 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-10-16   
667-339 9 Sykesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-340 A Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-340 0 Churchville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-340 1 Churchville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-340 2 Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-10-31   
667-340 3 Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-10-31   
667-340 4 Churchville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-04   
667-340 5 Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-12-19   
667-340 6 Churchville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2023-01-18   
667-340 7 Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-05-03   
667-340 8 Churchville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-03-11   
667-340 9 Churchville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-11-01   
667-341 A Delmar MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-341 0 Delmar MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2022-11-28   
667-341 1 Delmar MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2022-11-18   
667-341 2 Delmar MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-10-31   
667-341 3 Delmar MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-341 4 Delmar MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-341 5 Delmar MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-12-20   
667-341 6 Delmar MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-12-20   
667-341 7 Delmar MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-341 8 Delmar MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-341 9 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2025-12-15   
667-342 A Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-342 0 Preston MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2023-09-02   
667-342 2 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-10-31   
667-342 3 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-12-20   
667-342 4 Preston MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2022-07-05   
667-342 5 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2022-12-03   
667-342 6 Preston MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242   2022-03-21   
667-342 7 Preston MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2022-11-18   
667-342 8 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2022-12-24   
667-342 9 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-06-17   
667-343 A Cambridge MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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