Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Augusta, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
269-457 A GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348      
269-457 0 GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2009-07-29   
269-457 4 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-18   
269-457 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-06-08   
269-457 6 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2024-09-10   
269-457 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-11-27   
269-457 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-11-27   
269-731 A AGSTMIXJPS0  0672 COMMUNICATIONS CORP. OF MI 348      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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