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: DTTNMIMNDS0

Remotes:

Switch Switch name Switch type
CSNVMICBRSA  CASNOVIA  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-219 A Dutton MI 9323 MICHIGAN BELL TEL CO 348      
616-219 6 Dutton MI 9323 MICHIGAN BELL TEL CO 348   2014-04-25   
616-219 7 Dutton MI 9323 MICHIGAN BELL TEL CO 348   2014-04-25   
616-281 A Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-455 A Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-554 A Dutton MI 9323 MICHIGAN BELL TEL CO 348      
616-656 A Dutton MI 9323 MICHIGAN BELL TEL CO 348      
616-698 A Dutton MI 9323 MICHIGAN BELL TEL CO 348      
616-803 A Dutton MI 9323 MICHIGAN BELL TEL CO 348      
616-803 2 Dutton MI 9323 MICHIGAN BELL TEL CO 348   2006-03-17   
616-803 3 Dutton MI 9323 MICHIGAN BELL TEL CO 348   2006-03-17   
616-803 4 Dutton MI 9323 MICHIGAN BELL TEL CO 348   2006-03-17   
616-827 A Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 0 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 1 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 2 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 3 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 5 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 6 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 8 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      
616-827 9 Grand Rapids MI 9323 MICHIGAN BELL TEL CO 348      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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