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: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]

NXX: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-236 A Jamestown CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2025-02-01   
350-236 0 Jamestown CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-08-25   
350-236 1 Jamestown CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-04-26   
350-236 8 Jamestown CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2025-02-01   
350-236 9 Jamestown CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2025-02-01   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.