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: 975

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-975 A Avon IL GLBGILXDDMD  224C ONVOY, LLC 977      
309-975 0 Avon IL GLBGILXDDMD  224C ONVOY, LLC 977   2019-03-14   
309-975 1 Avon IL GLBGILXD5MD  593K MCC TELEPHONY LLC 977   2010-07-24   
309-975 2 Avon IL GLBGILXDDMD  224C ONVOY, LLC 977   2019-09-06   
309-975 3 Avon IL GLBGILXDDMD  224C ONVOY, LLC 977   2021-06-13   
309-975 4 Avon IL GLBGILXDNMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-09-14   
309-975 5 Avon IL GLBGILXDDMD  224C ONVOY, LLC 977   2021-04-09   
309-975 7 Avon IL MCMBILXDZMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 977   2014-06-10   
309-975 8 Avon IL GLBGILXDXMD  495J STRATUS NETWORKS 977   2021-02-28   
309-975 9 Avon IL MCMBILXDWMD  073H TELNYX LLC 977   2020-06-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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