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: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-266 A Geneva IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-266 0 Geneva IL CHCGIL24XMD  495J STRATUS NETWORKS 358      
331-266 1 Geneva IL CHCGIL24MMD  515J IP HORIZON LLC 358      
331-266 2 Geneva IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358      
331-266 3 Geneva IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358      
331-266 4 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-266 5 Geneva IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-266 6 Geneva IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-266 7 Geneva IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-266 8 Geneva IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-266 9 Geneva IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.