Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-250 A Edelstein IL PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368      
309-250 1 Edelstein IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2018-09-29   
309-250 2 Edelstein IL   224C ONVOY, LLC 368   2018-08-02   
309-250 3 Edelstein IL   224C ONVOY, LLC 368   2019-09-06   
309-250 4 Edelstein IL   224C ONVOY, LLC 368   2019-09-06   
309-250 5 Edelstein IL   224C ONVOY, LLC 368   2020-05-22   
309-250 6 Edelstein IL   224C ONVOY, LLC 368   2020-05-22   
309-250 7 Edelstein IL   224C ONVOY, LLC 368   2020-05-22   
309-250 8 Edelstein IL   224C ONVOY, LLC 368   2020-09-05   
309-250 9 Edelstein IL   224C ONVOY, LLC 368   2020-09-05   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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