Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 616 [Rate centres in NPA 616] [Dial plan for NPA 616]

NXX: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-524 A Grattan MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-524 0 Grattan MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-08-27   
616-524 1 Grattan MI GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2004-12-24   
616-524 2 Grattan MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2004-12-31   
616-524 3 Grattan MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
616-524 4 Grattan MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
616-524 5 Grattan MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-12-31   
616-524 6 Grattan MI GDRPMIBL15Z  516C AT&T CORP. 348   2011-12-13   
616-524 7 Grattan MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-15   
616-524 8 Grattan MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
616-524 9 Grattan MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2024-03-31   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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