Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-531 A Bay City MI SGNWMIACPMD  616J LEAP TELECOM, LLC 344   2024-12-15   
989-531 0 Bay City MI SGNWMIACPMD  616J LEAP TELECOM, LLC 344   2024-12-15   
989-531 1 Bay City MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2026-07-07   
989-531 7 Bay City MI   883K AHOI LLC 344   2026-07-31   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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