Local Calling Guide

Area code/prefix search

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NPA: 916 [Rate centres in NPA 916] [Dial plan for NPA 916]

NXX: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
916-991 A Rio Linda CA RILNCA12DS0  9740 PACIFIC BELL 726      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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