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: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 799

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-799 A Belpre KS WCHTKSTPVMD  965H FRACTEL, LLC 532      
620-799 0 Belpre KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2025-01-21   
620-799 7 Belpre KS   145J TERRA NOVA TELECOM INC. 532   2025-06-06   
620-799 9 Belpre KS   965H FRACTEL, LLC 532   2021-09-04   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.