Local Calling Guide

Area code/prefix search

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
331-826 A Elmhurst IL ARLHILJQCM2  6664 SPRINT SPECTRUM L.P. 358   2009-01-22   
331-826 0 Elmhurst IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2009-06-30   
331-826 1 Elmhurst IL   8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358   2009-11-02   
331-826 2 Elmhurst IL   224C ONVOY, LLC 358   2010-09-07   
331-826 3 Elmhurst IL   224C ONVOY, LLC 358   2010-09-07   
331-826 4 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-09-20   
331-826 5 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-09-20   
331-826 6 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-09-20   
331-826 7 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-09-20   
331-826 8 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-09-20   
331-826 9 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2009-01-22   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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