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: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-319 A Aurora IL   224C ONVOY, LLC 358   2024-03-29   
331-319 0 Aurora IL   224C ONVOY, LLC 358      
331-319 1 Aurora IL   224C ONVOY, LLC 358      
331-319 2 Aurora IL   224C ONVOY, LLC 358      
331-319 3 Aurora IL   224C ONVOY, LLC 358      
331-319 4 Aurora IL   224C ONVOY, LLC 358      
331-319 5 Aurora IL   732J NUSO, LLC 358      
331-319 6 Aurora IL   732J NUSO, LLC 358      
331-319 7 Aurora IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-319 8 Aurora IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

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

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