Local Calling Guide

Area code/prefix search

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

NXX: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-535 A Ithaca MI SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2024-04-06   
989-535 0 Ithaca MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2024-12-23   
989-535 1 Ithaca MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2026-01-19   
989-535 5 Ithaca MI   145J TERRA NOVA TELECOM INC. 344   2025-05-28   
989-535 8 Ithaca MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2024-04-06   
989-535 9 Ithaca MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2024-04-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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