Local Calling Guide

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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-366 A Boulder Creek CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
831-366 0 Boulder Creek CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2024-08-18   
831-366 3 Boulder Creek CA SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2024-09-08   
831-366 6 Boulder Creek CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2022-04-24   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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