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.

OCN: 972C DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
331-825 A Geneva IL   358      
779-552 A Belvidere IL BLVDILEW0MD  360      
779-552 0 Belvidere IL BLVDILEW0MD  360      
815-217 A De Kalb IL CHCGILDTDS2  364      
815-217 0 De Kalb IL CHCGILDTDS2  364      
815-217 3 De Kalb IL CHCGILDTDS2  364      
815-561 7 Rochelle IL CHCGILDTDS2  364      
815-732 8 Oregon IL CHCGILDTDS2  364      
815-825 1 Malta IL CHCGILDTDS2  364      
815-991 2 Sycamore IL CHCGILDTDS2  364      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.