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: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-329 A Rockford IL RCFRILRTXGX  516C AT&T CORP. 360      
815-329 0 Rockford IL RCFRILRCX4X  5562 METROPCS, INC. 360   2014-10-26   
815-329 1 Rockford IL RCFRILRTXJY  7393 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL 360   2015-09-21   
815-329 2 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360   2015-06-15   
815-329 3 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360   2015-06-25   
815-329 4 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360   2015-06-25   
815-329 5 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360   2015-06-25   
815-329 6 Rockford IL RCFRILRTX4Y  318J COMCAST IP PHONE, LLC 360   2015-05-18   
815-329 7 Rockford IL RCFRILRTXGX  516C AT&T CORP. 360   2013-04-10   
815-329 8 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360   2014-11-01   
815-329 9 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360   2015-06-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.