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
667-323 6 Queenstown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-12-20   
667-323 7 Queenstown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-12-20   
667-323 8 Queenstown MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-11   
667-323 9 Queenstown MD SLBRMDSBXMD  073H TELNYX LLC 242   2022-03-10   
667-324 A Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-324 0 Randallstown MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-12   
667-324 1 Randallstown MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-12   
667-324 2 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-19   
667-324 3 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-19   
667-324 4 Randallstown MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-09-10   
667-324 5 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-324 6 Randallstown MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-10-21   
667-324 7 Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-07-18   
667-324 8 Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-07-18   
667-324 9 Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-07-18   
667-325 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-325 0 Glen Burnie MD BLTQMD013MD  939H COMMIO, LLC 238   2021-09-16   
667-325 1 Glen Burnie MD BLTQMD013MD  939H COMMIO, LLC 238   2021-09-16   
667-325 2 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-10   
667-325 3 Glen Burnie MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238   2021-08-13   
667-325 4 Glen Burnie MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-325 5 Glen Burnie MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-325 6 Glen Burnie MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-325 7 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-10   
667-325 8 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-10   
667-325 9 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-08-12   
667-326 A Church Hill MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-326 0 Church Hill MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-01-31   
667-326 2 Church Hill MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-01-31   
667-326 3 Church Hill MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-01-31   
667-326 4 Church Hill MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-03   
667-326 5 Church Hill MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   
667-326 6 Church Hill MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-03   
667-326 7 Church Hill MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-03   
667-326 8 Church Hill MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-326 9 Church Hill MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-327 A Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-327 0 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-327 1 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-327 2 Cambridge MD SLBRMDSCXMD  5562 METROPCS, INC. 242   2021-05-18   
667-327 3 Cambridge MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-327 4 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-327 5 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-327 6 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-17   
667-327 7 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-327 8 Cambridge MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-327 9 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-10-10   
667-328 A Essex MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-328 0 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-08-12   
667-328 1 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-08-12   

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

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