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: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-670 A Rockford IL   6529 T-MOBILE USA, INC. 360      
815-670 0 Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360      
815-670 1 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-670 2 Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360      
815-670 3 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-670 4 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-670 5 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-670 6 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-670 7 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-670 8 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-670 9 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.