Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: OLNYILXEX4X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-450 A Mount Carmel IL 506J TWILIO INTERNATIONAL, INC. 978      
618-450 8 Mount Carmel IL 506J TWILIO INTERNATIONAL, INC. 978      

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

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