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.
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Switch: MDSNWI11XAX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-995 9 Verona WI 225C ONVOY, LLC - WI 354   2024-03-02   
608-997 9 Waunakee WI 225C ONVOY, LLC - WI 354   2023-08-14   
608-999 A Madison WI 225C ONVOY, LLC - WI 354      
608-999 2 Madison WI 225C ONVOY, LLC - WI 354   2015-08-03   
608-999 3 Madison WI 225C ONVOY, LLC - WI 354   2015-08-03   
608-999 4 Madison WI 225C ONVOY, LLC - WI 354   2015-08-03   
608-999 5 Madison WI 225C ONVOY, LLC - WI 354   2015-08-03   
608-999 6 Madison WI 225C ONVOY, LLC - WI 354   2015-08-03   
608-999 7 Madison WI 225C ONVOY, LLC - WI 354   2015-08-03   
608-999 8 Madison WI 225C ONVOY, LLC - WI 354   2015-08-03   
608-999 9 Madison WI 225C ONVOY, LLC - WI 354   2015-04-20   
779-253 2 South Beloit IL 224C ONVOY, LLC 354   2016-04-11   
779-253 3 South Beloit IL 224C ONVOY, LLC 354   2016-04-11   
779-253 5 South Beloit IL 224C ONVOY, LLC 354   2019-09-05   
779-253 9 South Beloit IL 224C ONVOY, LLC 354   2019-09-05   
779-699 6 South Beloit IL 224C ONVOY, LLC 354   2020-09-18   
779-699 7 South Beloit IL 224C ONVOY, LLC 354   2020-09-18   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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