Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-476 A Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-476 0 Glenwood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-476 1 Glenwood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-476 2 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-476 3 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-476 4 Glenwood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-476 5 Glenwood MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
667-476 6 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-476 7 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-476 8 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-476 9 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.