Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-231 A Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
667-231 0 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-01   
667-231 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-09-04   
667-231 2 Aberdeen MD BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2014-10-03   
667-231 3 Aberdeen MD BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2014-10-03   
667-231 4 Aberdeen MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236   2014-09-15   
667-231 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-01   
667-231 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-02-09   
667-231 7 Aberdeen MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 236   2013-10-04   
667-231 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-02-09   
667-231 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-09-04   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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