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: 820

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-820 A Huntsburg OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320      
440-820 1 Huntsburg OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320      
440-820 2 Huntsburg OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320      
440-820 3 Huntsburg OH   793K TWC IP ENABLED SERVICES, LLC 320      
440-820 8 Huntsburg OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320      
440-820 9 Huntsburg OH CLEVOHEK9MD  073H TELNYX LLC 320      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.