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: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-689 A Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-689 0 Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-689 1 Aptos CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
831-689 2 Aptos CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
831-689 3 Aptos CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-09   
831-689 4 Aptos CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-09   
831-689 6 Aptos CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-09   
831-689 7 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-13   
831-689 8 Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      
831-689 9 Aptos CA APTSCA12DS0  9740 PACIFIC BELL 722      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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