Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-266 A Bernard IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634      
563-266 2 Bernard IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2018-08-19   
563-266 5 Bernard IA DVNPIADTXZX  516J TON80 COMMUNICATIONS, LLC 634   2022-04-12   
563-266 6 Bernard IA   145J TERRA NOVA TELECOM INC. 634   2025-05-24   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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