Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-663 A Pittsburgh Suburban Zone 16 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC.-PA 234      
412-663 0 Pittsburgh Suburban Zone 16 PA PITDPANGDS0  7237 TELCOVE OF PENNSYLVANIA, INC. - PA 234   2001-11-26   
412-663 1 Pittsburgh Suburban Zone 16 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC.-PA 234      
412-663 2 Pittsburgh Suburban Zone 16 PA BLWXPAAT0MD  506J TWILIO INTERNATIONAL INC 234   2021-01-19   
412-663 4 Pittsburgh Suburban Zone 16 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC.-PA 234      
412-663 5 Pittsburgh Suburban Zone 16 PA   547E ONVOY, LLC - PA 234   2021-02-22   
412-663 6 Pittsburgh Suburban Zone 16 PA   547E ONVOY, LLC - PA 234   2021-02-22   
412-663 7 Pittsburgh Suburban Zone 16 PA   624H ONVOY SPECTRUM, LLC 234   2021-05-20   
412-663 8 Pittsburgh Suburban Zone 16 PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-663 9 Pittsburgh Suburban Zone 16 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC.-PA 234      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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