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: 369 [Rate centres in NPA 369] [Dial plan for NPA 369]

NXX: 217

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
369-217 A Vallejo CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-03-11   
369-217 1 Vallejo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-07-23   
369-217 4 Vallejo CA   624H ONVOY SPECTRUM, LLC 722   2025-01-30   
369-217 5 Vallejo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-05-17   
369-217 6 Vallejo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-05-17   
369-217 7 Vallejo CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-03-11   
369-217 9 Vallejo CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-03-11   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.