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.

OCN: 0714 OGDEN TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
517-443 A Ogden Center MI OGDCMIXIDS0  340      
517-443 0 Ogden Center MI OGDCMIXIDS0  340      
517-443 1 Ogden Center MI OGDCMIXIDS0  340      
517-443 3 Ogden Center MI OGDCMIXIDS0  340      
517-443 5 Ogden Center MI OGDCMIXIDS0  340      
517-443 6 Ogden Center MI OGDCMIXIDS0  340      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.