Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: GDRPMIBL40Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-246 A Muskegon MI 318J COMCAST IP PHONE, LLC 348      
231-452 A Newaygo MI 318J COMCAST IP PHONE, LLC 348      
269-262 A Niles MI 318J COMCAST IP PHONE, LLC 348      
269-281 A St Joseph MI 318J COMCAST IP PHONE, LLC 348      
269-282 A Battle Creek MI 318J COMCAST IP PHONE, LLC 348      
269-299 A Lawton MI 318J COMCAST IP PHONE, LLC 348      
269-302 A Bangor MI 318J COMCAST IP PHONE, LLC 348      
269-308 A Hartford MI 318J COMCAST IP PHONE, LLC 348      
269-430 A Bellevue MI 318J COMCAST IP PHONE, LLC 348      
269-457 A Augusta MI 318J COMCAST IP PHONE, LLC 348      
269-722 A Fennville MI 318J COMCAST IP PHONE, LLC 348      
269-761 A Hickory Corners MI 318J COMCAST IP PHONE, LLC 348      
269-872 A South Haven MI 318J COMCAST IP PHONE, LLC 348      
616-255 A Greenville MI 318J COMCAST IP PHONE, LLC 348      
616-279 A Grand Rapids MI 318J COMCAST IP PHONE, LLC 348      
616-591 A Grand Rapids MI 318J COMCAST IP PHONE, LLC 348      
616-719 A Grand Rapids MI 318J COMCAST IP PHONE, LLC 348      
616-805 A Grand Rapids MI 318J COMCAST IP PHONE, LLC 348      
616-883 A Rockford MI 318J COMCAST IP PHONE, LLC 348      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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