Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: ONTRCAXPX6Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
951-309 A Sun City CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730      
951-322 A Perris CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730      

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

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