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.

Winnebago, NE

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
402-878 A WNNBNEXH0MD  1542 EASTERN NEBRASKA TEL. CO. 630      
402-878 2 WNNBNEXH0MD  1542 EASTERN NEBRASKA TEL. CO. 630      
402-878 3 WNNBNEXH0MD  1542 EASTERN NEBRASKA TEL. CO. 630      
402-878 4 WNNBNEXH0MD  1542 EASTERN NEBRASKA TEL. CO. 630      
402-878 8   145J TERRA NOVA TELECOM INC. 630   2025-07-07   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.