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: 334

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-334 A Galva KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-334 0 Galva KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-334 3 Galva KS   145J TERRA NOVA TELECOM INC. 532   2025-05-22   
620-334 7 Galva KS GBTPKSAC0MD  122D NEX-TECH WIRELESS, LLC 532   2012-06-25   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.