Local Calling Guide

Area code/prefix search

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

NXX: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-504 A St Charles MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-504 4 St Charles MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-08-26   
989-504 5 St Charles MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2022-12-11   
989-504 9 St Charles MI SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2022-04-04   

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

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