Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-289 A Ben Lomond CA   394L COMCAST PHONE OF CALIFORNIA, LLC 722      
831-289 0 Ben Lomond CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2024-08-18   
831-289 3 Ben Lomond CA   394L COMCAST PHONE OF CALIFORNIA, LLC 722   2022-11-04   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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