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.

Forest City, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-597 A FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 0 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 1 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 2 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 3 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 4 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 5 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 6 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 7 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-597 8 PEORILSCX0X  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 368      
309-597 9 FRCYILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-610 A   224C ONVOY, LLC 368      
309-610 0 PEORILPJXDY  984E BANDWIDTH.COM CLEC, LLC - IL 368      
309-610 1 PEORILPJX8Z  073H TELNYX LLC 368      
309-610 2 PEORILPJXDZ  495J STRATUS NETWORKS 368      
309-610 3   224C ONVOY, LLC 368      
309-610 4 PEORILPJXYX  224C ONVOY, LLC 368      
309-610 6 PEORILPJXYX  224C ONVOY, LLC 368      
309-610 7 PEORILPJ02Z  490J DISH WIRELESS, LLC 368      
309-610 8 PEORILPJXYX  224C ONVOY, LLC 368      
309-610 9 PEORILPJXYX  224C ONVOY, LLC 368      
309-953 A   624H ONVOY SPECTRUM, LLC 368   2024-06-20   
309-953 0   624H ONVOY SPECTRUM, LLC 368      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.