Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-291 A Adrian MI SFLDMITOEMD  495J STRATUS NETWORKS 340      
517-291 0 Adrian MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 1 Adrian MI   495J STRATUS NETWORKS 340   2021-05-17   
517-291 2 Adrian MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2024-12-06   
517-291 3 Adrian MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 4 Adrian MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 5 Adrian MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 6 Adrian MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 7 Adrian MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2026-01-27   
517-291 8 Adrian MI   543C ONVOY, LLCV - MI 340   2023-07-23   
517-291 9 Adrian MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-08-26   

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

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