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: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-204 A Miller SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-204 0 Miller SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-204 1 Miller SD SXFLSDPS0MD  073H TELNYX LLC 640      
605-204 2 Miller SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-204 3 Miller SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-204 4 Miller SD SXFLSDPS0MD  073H TELNYX LLC 640      
605-204 5 Miller SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-204 6 Miller SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-204 7 Miller SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-204 8 Miller SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-204 9 Miller SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.