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: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-250 A Carmel CA   515J IP HORIZON LLC 736      
831-250 0 Carmel CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2010-06-17   
831-250 1 Carmel CA   515J IP HORIZON LLC 736      
831-250 2 Carmel CA   515J IP HORIZON LLC 736      
831-250 3 Carmel CA   6010 NEW CINGULAR WIRELESS PCS, LLC 736   2015-12-06   
831-250 4 Carmel CA   515J IP HORIZON LLC 736      
831-250 5 Carmel CA   318J COMCAST IP PHONE, LLC 736   2013-06-13   
831-250 6 Carmel CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-26   
831-250 7 Carmel CA   318J COMCAST IP PHONE, LLC 736   2006-04-13   
831-250 8 Carmel CA   649C ONVOY, LLC - CA 736   2009-03-12   
831-250 9 Carmel CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2016-03-05   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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