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: MDSRWIKE0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-299 9 Beloit WI 073H TELNYX LLC 354      
608-305 2 Janesville WI 073H TELNYX LLC 354      
608-405 A Madison WI 073H TELNYX LLC 354      
608-405 1 Madison WI 073H TELNYX LLC 354      

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

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