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: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-623 A San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 0 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 1 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 2 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 3 San Juan CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-09-13   
831-623 4 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 5 San Juan CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-31   
831-623 6 San Juan CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-623 7 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      
831-623 8 San Juan CA MTRYCAPM0MD  073H TELNYX LLC 736   2018-07-03   
831-623 9 San Juan CA SNJNCA11RS1  9740 PACIFIC BELL 736      

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

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