Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Colby, KS

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
785-785 8 TPKAKSJAXNX  205F ONVOY, LLC - KS 534   2022-11-29   
785-785 9 TPKAKSJAXNX  205F ONVOY, LLC - KS 534   2022-11-29   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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