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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-581 A Moline IL RCISILRIXMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 634      
309-581 0 Moline IL   073H TELNYX LLC 634   2020-07-16   
309-581 1 Moline IL   224C ONVOY, LLC 634   2021-08-12   
309-581 2 Moline IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 634   2018-08-10   
309-581 3 Moline IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 634   2017-04-21   
309-581 4 Moline IL   224C ONVOY, LLC 634   2021-08-12   
309-581 5 Moline IL   224C ONVOY, LLC 634   2020-04-29   
309-581 6 Moline IL   224C ONVOY, LLC 634   2021-08-12   
309-581 7 Moline IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 634   2007-08-20   
309-581 8 Moline IL   495J STRATUS NETWORKS 634   2020-10-14   
309-581 9 Moline IL   224C ONVOY, LLC 634   2021-08-12   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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