Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

Region: CA

OCN: 2338 SIERRA TEL. CO., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
209-742 A Mariposa CA MRPSCAXFRS0  728      
209-966 A Mariposa CA MRPSCAXFRS0  728      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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