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: OKMSMIMNDS0

Remotes:

Switch Switch name Switch type
FWVLMIMNRSA  FOWLERVILLE  5ER 
HSLTMIHSRSA  HASLETT  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-347 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-349 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-381 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-706 A Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-706 0 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-706 2 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-706 3 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-706 4 Lansing MI 9323 MICHIGAN BELL TEL CO 346      
517-706 5 Lansing MI 9323 MICHIGAN BELL TEL CO 346      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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