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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-666 A Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-666 0 Walcott IA   145J TERRA NOVA TELECOM INC. 634   2022-05-05   
563-666 2 Walcott IA DVNPIADTXTX  506J TWILIO INTERNATIONAL, INC. 634   2020-12-23   
563-666 3 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-10-06   
563-666 4 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-666 5 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2019-09-20   
563-666 6 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2017-11-27   
563-666 7 Walcott IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2021-04-29   
563-666 8 Walcott IA DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-07-17   
563-666 9 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2022-12-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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