Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-252 A Coffeyville KS CFVLKS10DS0  9533 SOUTHWESTERN BELL 532      
620-252 0 Coffeyville KS   9533 SOUTHWESTERN BELL 532      
620-252 1 Coffeyville KS   9533 SOUTHWESTERN BELL 532      
620-252 2 Coffeyville KS   9533 SOUTHWESTERN BELL 532      
620-252 3 Coffeyville KS   9533 SOUTHWESTERN BELL 532      
620-252 4 Coffeyville KS   9533 SOUTHWESTERN BELL 532      
620-252 5 Coffeyville KS   6267 UNITED STATES CELLULAR - KS 532      
620-252 6 Coffeyville KS   9533 SOUTHWESTERN BELL 532      
620-252 7 Coffeyville KS   9533 SOUTHWESTERN BELL 532      
620-252 8 Coffeyville KS   6267 UNITED STATES CELLULAR - KS 532      
620-252 9 Coffeyville KS   6267 UNITED STATES CELLULAR - KS 532      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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