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: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-309 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-309 0 Baltimore MD   515J IP HORIZON LLC 238   2014-11-27   
667-309 1 Baltimore MD   515J IP HORIZON LLC 238   2013-09-22   
667-309 2 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-309 3 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-05-30   
667-309 4 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-309 5 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-309 6 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-03-04   
667-309 7 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-03-04   
667-309 8 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   
667-309 9 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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