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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
667-237 4 West River MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-237 6 West River MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-237 7 West River MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-30   
667-237 8 West River MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-237 9 West River MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-30   
667-238 A Preston MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-238 0 Preston MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-238 1 Preston MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-238 2 Preston MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-238 3 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-03-05   
667-238 4 Preston MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-238 5 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-02-12   
667-238 6 Preston MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-238 7 Preston MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-238 8 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-238 9 Preston MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-239 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
667-239 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-05-07   
667-239 1 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-239 2 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-239 3 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-09-29   
667-239 4 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-239 5 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-239 6 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-239 7 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-239 8 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-06   
667-239 9 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-06   
667-240 A Columbia MD BLTQMD012MD  964H BARR TELL USA, INC. 238      
667-240 0 Columbia MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
667-240 1 Columbia MD BLTQMD012MD  964H BARR TELL USA, INC. 238   2017-01-21   
667-240 2 Columbia MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2017-01-22   
667-240 3 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 4 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 5 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
667-240 6 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-05   
667-240 7 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-23   
667-240 8 Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2018-05-27   
667-240 9 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-19   
667-241 A Ridgely MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-241 0 Ridgely MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-241 1 Ridgely MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-241 2 Ridgely MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-241 4 Ridgely MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-03-05   
667-241 5 Ridgely MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-241 6 Ridgely MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-241 7 Ridgely MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-241 8 Ridgely MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-10   
667-241 9 Ridgely MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-10   
667-242 A Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 0 Rock Hall MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-242 1 Rock Hall MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-242 2 Rock Hall MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-242 3 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 4 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 5 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 6 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 7 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 8 Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-02-26   
667-242 9 Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-02-26   
667-243 A Oxford MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-243 0 Oxford MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-07-26   
667-243 1 Oxford MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-07-26   
667-243 2 Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2018-09-13   
667-243 3 Oxford MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-243 4 Oxford MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-243 5 Oxford MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-243 6 Oxford MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-243 7 Oxford MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-07-26   
667-243 8 Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-243 9 Oxford MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-244 A Still Pond MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-244 0 Still Pond MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-244 1 Still Pond MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-244 2 Still Pond MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-244 3 Still Pond MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2018-09-13   
667-244 4 Still Pond MD SLBRMD908MD  490J DISH WIRELESS, LLC 242   2024-01-08   
667-244 5 Still Pond MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-244 6 Still Pond MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-244 7 Still Pond MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-244 8 Still Pond MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-244 9 Still Pond MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-245 A Cecilton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-245 0 Cecilton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-245 1 Cecilton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-245 2 Cecilton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-245 3 Cecilton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-245 4 Cecilton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-245 5 Cecilton MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-245 6 Cecilton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-245 7 Cecilton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-245 8 Cecilton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-245 9 Cecilton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-246 A Centreville MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-246 0 Centreville MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-246 1 Centreville MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-246 2 Centreville MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-08-03   
667-246 3 Centreville MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
667-246 4 Centreville MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
667-246 5 Centreville MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
667-246 6 Centreville MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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