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: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-583 A Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 0 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 1 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 2 Eureka KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-583 3 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 4 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 5 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 6 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 7 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 8 Eureka KS EURKKSELRS0  9533 SOUTHWESTERN BELL 532      
620-583 9 Eureka KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.