Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-271 A Grass Valley: Main DA CA GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 0 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 1 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 2 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 3 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 4 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 5 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 6 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 7 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 8 Grass Valley: Main DA CA   9740 PACIFIC BELL 726      
530-271 9 Grass Valley: Main DA CA   649C ONVOY, LLC - CA 726   2021-07-18   

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

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