Local Calling Guide

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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-856 A Greenfield (Monterey) CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      
831-856 0 Greenfield (Monterey) CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2014-03-28   
831-856 1 Greenfield (Monterey) CA   515J IP HORIZON LLC 736      
831-856 2 Greenfield (Monterey) CA   515J IP HORIZON LLC 736      
831-856 3 Greenfield (Monterey) CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2015-05-02   
831-856 4 Greenfield (Monterey) CA SLNSCA01X8Y  5562 METROPCS, INC. 736   2017-03-26   
831-856 5 Greenfield (Monterey) CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-31   
831-856 6 Greenfield (Monterey) CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736   2014-11-06   
831-856 7 Greenfield (Monterey) CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2012-01-08   
831-856 8 Greenfield (Monterey) CA SLNSCA01X5Y  516C AT&T CORP. 736   2010-11-05   
831-856 9 Greenfield (Monterey) CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2014-08-17   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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