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.

Longford, KS

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
785-388 A BGTNKSXADS1  1840 TWIN VALLEY TEL., INC. 534      
785-388 0   1840 TWIN VALLEY TEL., INC. 534      
785-388 1   1840 TWIN VALLEY TEL., INC. 534      
785-388 2   1840 TWIN VALLEY TEL., INC. 534      
785-388 3   1840 TWIN VALLEY TEL., INC. 534      
785-388 4   1840 TWIN VALLEY TEL., INC. 534      
785-388 5   1840 TWIN VALLEY TEL., INC. 534      
785-388 6   1840 TWIN VALLEY TEL., INC. 534      
785-388 7   122D NEX-TECH WIRELESS, LLC 534      
785-388 8   1840 TWIN VALLEY TEL., INC. 534      
785-388 9   1840 TWIN VALLEY TEL., INC. 534      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.