Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: WSVLILXCRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-566 A Williamsville IL 1015 FRONTIER NORTH, INC. - IL 374      
217-566 2 Williamsville IL 1015 FRONTIER NORTH, INC. - IL 374      
217-566 3 Williamsville IL 1015 FRONTIER NORTH, INC. - IL 374      
217-566 9 Williamsville IL 1015 FRONTIER NORTH, INC. - IL 374      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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