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: 593

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-593 A San Juan CA SLNSCA01XOX  776C CHARTER FIBERLINK CA-CCO, LLC - CA 736      
831-593 1 San Juan CA SLNSCA01XOX  776C CHARTER FIBERLINK CA-CCO, LLC - CA 736   2009-07-26   
831-593 2 San Juan CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2017-04-27   
831-593 3 San Juan CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2014-10-19   
831-593 4 San Juan CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-28   
831-593 5 San Juan CA SLNSCA01X5Y  516C AT&T CORP. 736   2011-09-26   
831-593 6 San Juan CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2019-07-28   
831-593 7 San Juan CA SLNSCA01X7Y  508J CENTURYLINK COMMUNICATIONS LLC 736   2015-11-09   
831-593 8 San Juan CA   649C ONVOY, LLC - CA 736   2022-01-27   
831-593 9 San Juan CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2018-02-22   

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

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