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: 969

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-969 A Mason MI LNNGMIMN16Z  829J PAETEC ITEL, LLC 346      
517-969 0 Mason MI   829J PAETEC ITEL, LLC 346   2006-03-10   
517-969 1 Mason MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2025-08-29   
517-969 2 Mason MI   543C ONVOY, LLCV - MI 346   2021-03-10   
517-969 3 Mason MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2008-04-30   
517-969 4 Mason MI   318J COMCAST IP PHONE, LLC 346   2007-06-26   
517-969 5 Mason MI   543C ONVOY, LLCV - MI 346   2007-03-05   
517-969 6 Mason MI   543C ONVOY, LLCV - MI 346   2013-01-30   
517-969 7 Mason MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2008-05-08   
517-969 8 Mason MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2008-05-08   
517-969 9 Mason MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2007-07-26   

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

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