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.

NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 830

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-830 A Middleton WI MDSNWIGJRP0  0881 MID-PLAINS TEL., INC. 354      
608-830 0 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-03-01   
608-830 1 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-03-01   
608-830 2 Middleton WI MDSNWIGJRP0  0881 MID-PLAINS TEL., INC. 354   2006-08-30   
608-830 3 Middleton WI MDSNWIGJRP0  0881 MID-PLAINS TEL., INC. 354   2006-08-30   
608-830 4 Middleton WI MDSNWIGJRP0  0881 MID-PLAINS TEL., INC. 354   2005-07-15   
608-830 5 Middleton WI MDSNWIGJRP0  0881 MID-PLAINS TEL., INC. 354   2006-10-27   
608-830 6 Middleton WI MDSNWIGJRP0  0881 MID-PLAINS TEL., INC. 354   2007-10-31   
608-830 8 Middleton WI MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354   2021-06-24   
608-830 9 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-03-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.