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: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-272 A Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-272 0 Geneva IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-272 1 Geneva IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-272 2 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-272 3 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-272 4 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-272 5 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-272 6 Geneva IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-272 7 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-272 8 Geneva IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-272 9 Geneva IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.