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: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 892

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-892 A Upland CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-892 0 Upland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-12-26   
909-892 1 Upland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-12-26   
909-892 2 Upland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-12-26   
909-892 3 Upland CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-11-29   
909-892 4 Upland CA   624H ONVOY SPECTRUM, LLC 730   2021-07-22   
909-892 6 Upland CA   939H COMMIO, LLC 730   2021-10-15   
909-892 7 Upland CA   939H COMMIO, LLC 730   2021-10-15   
909-892 8 Upland CA   6529 T-MOBILE USA, INC. 730   2020-11-28   
909-892 9 Upland CA   6529 T-MOBILE USA, INC. 730   2020-11-28   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.