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: PRTGMILKDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
269-321 A Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-323 A Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-324 A Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-327 A Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 A Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 0 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 1 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 2 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 3 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 4 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 5 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 6 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      
269-329 7 Kalamazoo MI 9323 MICHIGAN BELL TEL CO 348      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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