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: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-383 A Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-383 0 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-383 1 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-383 2 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-383 3 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-383 4 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-383 5 Monterey CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736      
831-383 6 Monterey CA SLNSCA01XQX  5562 METROPCS, INC. 736      
831-383 7 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-383 8 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      
831-383 9 Monterey CA SLNSCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.