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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-999 A Altoona KS WCHTKSTPUMD  145J TERRA NOVA TELECOM INC. 532      
620-999 0 Altoona KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-08   
620-999 1 Altoona KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-08   
620-999 9 Altoona KS   145J TERRA NOVA TELECOM INC. 532   2019-02-22   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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