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: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-348 A Elburn IL CHCGILWURMD  965H FRACTEL LLC 358      
331-348 0 Elburn IL   495J STRATUS NETWORKS 358   2020-10-02   
331-348 1 Elburn IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-11-09   
331-348 3 Elburn IL   506J TWILIO INTERNATIONAL INC 358   2021-04-13   
331-348 6 Elburn IL   965H FRACTEL LLC 358   2019-12-12   
331-348 8 Elburn IL   224C ONVOY, LLC 358   2020-07-17   
331-348 9 Elburn IL   224C ONVOY, LLC 358   2020-07-17   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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