Local Calling Guide

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

NXX: 874

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-874 A McLean IL MCLNILXDRS2  1015 FRONTIER NORTH, INC. - IL 366      
309-874 2 McLean IL MCLNILXDRS2  1015 FRONTIER NORTH, INC. - IL 366      
309-874 3 McLean IL MCLNILXDRS2  1015 FRONTIER NORTH, INC. - IL 366      
309-874 4 McLean IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
309-874 9 McLean IL BLTNILTS7MD  145J TERRA NOVA TELECOM INC. 366      

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

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