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: 529

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-529 A Naperville IL   965H FRACTEL, LLC 358   2019-10-02   
331-529 0 Naperville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-02-26   
331-529 1 Naperville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2020-03-11   
331-529 2 Naperville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2020-03-11   
331-529 3 Naperville IL   965H FRACTEL, LLC 358   2019-10-02   
331-529 5 Naperville IL   224C ONVOY, LLC 358   2020-12-03   
331-529 6 Naperville IL   224C ONVOY, LLC 358   2020-12-03   
331-529 7 Naperville IL   224C ONVOY, LLC 358   2020-12-03   
331-529 8 Naperville IL   224C ONVOY, LLC 358   2020-12-03   
331-529 9 Naperville IL   965H FRACTEL, LLC 358   2019-10-02   

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

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