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: 548

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-548 A Roseville IL   593K MCC TELEPHONY LLC 977      
309-548 1 Roseville IL   593K MCC TELEPHONY LLC 977      
309-548 2 Roseville IL MCMBILXDZMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 977      
309-548 3 Roseville IL MCMBILXDX5X  624H ONVOY SPECTRUM, LLC 977      
309-548 4 Roseville IL GLBGILXDDMD  224C ONVOY, LLC 977      
309-548 5 Roseville IL GLBGILXDDMD  224C ONVOY, LLC 977      
309-548 7 Roseville IL GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977      
309-548 8 Roseville IL GLBGILXDDMD  224C ONVOY, LLC 977      

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

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