Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 574 [Rate centres in NPA 574] [Dial plan for NPA 574]

NXX: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-663 A Middlebury IN SBNDIN13MMD  516J TON80 COMMUNICATIONS, LLC 332      
574-663 0 Middlebury IN EKHTINXAJMD  097D ONVOY, LLC - IN 332   2024-03-08   
574-663 2 Middlebury IN SBNDIN01X3Y  318J COMCAST IP PHONE, LLC 332   2022-07-02   
574-663 7 Middlebury IN SBNDIN13MMD  516J TON80 COMMUNICATIONS, LLC 332   2022-03-15   

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

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