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: 684

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-684 A Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-684 0 Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-684 1 Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-684 2 Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-684 3 Aptos CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-09   
831-684 4 Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-684 5 Aptos CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-09   
831-684 6 Aptos CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-09   
831-684 7 Aptos CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-12-05   
831-684 8 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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