Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-747 A Monterey CA SLNSCA01X5Y  516C AT&T CORP. 736      
831-747 0 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-747 1 Monterey CA SLNSCA01X5Y  516C AT&T CORP. 736      
831-747 2 Monterey CA SLNSCA01X5Y  516C AT&T CORP. 736      
831-747 3 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-747 4 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-747 5 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-747 6 Monterey CA   649C ONVOY, LLC - CA 736      
831-747 7 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-747 8 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-747 9 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.