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: 468

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-468 A Monterey CA   114J EXIANT COMMUNICATIONS LLC 736   2026-05-21   
831-468 0 Monterey CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2026-07-12   
831-468 1 Monterey CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2026-09-11   
831-468 4 Monterey CA   114J EXIANT COMMUNICATIONS LLC 736   2026-05-21   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.