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: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]

NXX: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-510 A Alamitos CA   6529 T-MOBILE USA, INC. 730   2025-01-02   
562-510 6 Alamitos CA   6529 T-MOBILE USA, INC. 730      
562-510 7 Alamitos CA   6529 T-MOBILE USA, INC. 730      
562-510 8 Alamitos CA   6529 T-MOBILE USA, INC. 730      
562-510 9 Alamitos CA   6529 T-MOBILE USA, INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.