Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: TRACCA11RS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-831 A Tracy CA 9740 PACIFIC BELL 738      
209-831 1 Tracy CA 9740 PACIFIC BELL 738      
209-831 4 Tracy CA 9740 PACIFIC BELL 738      
209-831 5 Tracy CA 9740 PACIFIC BELL 738      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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