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: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-904 A Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360      
815-904 0 Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360      
815-904 1 Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360      
815-904 2 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360      
815-904 3 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360      
815-904 4 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360      
815-904 5 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360      
815-904 6 Rockford IL RCFRILRTX4Y  318J COMCAST IP PHONE, LLC 360      
815-904 7 Rockford IL   792K CHARTER IP ENABLED SERVICES, LLC 360      
815-904 8 Rockford IL   829J PAETEC ITEL, LLC 360      
815-904 9 Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.