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: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 738

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-738 A Vermilion OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320      
440-738 0 Vermilion OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320      
440-738 1 Vermilion OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320      
440-738 4 Vermilion OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320      
440-738 7 Vermilion OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320      
440-738 8 Vermilion OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320      
440-738 9 Vermilion OH   464C ONVOY, LLC - OH 320      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.