Local Calling Guide

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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-428 A Port Hope MI PTHPMIXIDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-428 0 Port Hope MI   318J COMCAST IP PHONE, LLC 344   2010-11-30   
989-428 1 Port Hope MI   145J TERRA NOVA TELECOM INC. 344   2025-06-05   
989-428 2 Port Hope MI   624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-428 3 Port Hope MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-428 4 Port Hope MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-428 5 Port Hope MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-428 8 Port Hope MI   516J TON80 COMMUNICATIONS, LLC 344   2022-03-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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