Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-871 A West Chicago IL   224C ONVOY, LLC 358      
331-871 0 West Chicago IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-16   
331-871 1 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-22   
331-871 2 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-12-06   
331-871 3 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-12-06   
331-871 4 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-04-28   
331-871 5 West Chicago IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2017-01-22   
331-871 6 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-04-28   
331-871 7 West Chicago IL   224C ONVOY, LLC 358   2016-04-14   
331-871 8 West Chicago IL   224C ONVOY, LLC 358   2016-04-14   
331-871 9 West Chicago IL   073H TELNYX LLC 358   2017-04-24   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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