Local Calling Guide

Area code/prefix search

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Switch: SNFCCAMKX3Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-400 A Santa Cruz CA 597F VOIP INNOVATIONS, LLC 722      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

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