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: 586

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-586 A San Juan CA   515J IP HORIZON LLC 736      
831-586 0 San Juan CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-08-30   
831-586 1 San Juan CA   515J IP HORIZON LLC 736      
831-586 2 San Juan CA   515J IP HORIZON LLC 736      
831-586 3 San Juan CA   515J IP HORIZON LLC 736   2022-10-20   
831-586 5 San Juan CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2014-08-17   
831-586 6 San Juan CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-09-13   
831-586 7 San Juan CA   145J TERRA NOVA TELECOM INC. 736   2022-08-03   
831-586 8 San Juan CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2015-04-25   
831-586 9 San Juan CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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