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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-998 A Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2025-12-26   
530-998 7 Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2025-12-26   
530-998 8 Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2025-12-26   
530-998 9 Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2025-12-26   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.