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.

OCN: 0830 TRI-COUNTY TEL. CO., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
765-275 A Wingate IN WNGTINXARP0  336   2024-01-09   
765-275 0 Wingate IN   336      
765-275 2 Wingate IN   336      
765-275 3 Wingate IN   336      
765-275 4 Wingate IN   336      
765-275 5 Wingate IN   336      
765-275 6 Wingate IN   336      
765-275 8 Wingate IN   336      
765-324 A Colfax IN CLFXINXARP0  336   2024-01-09   
765-324 0 Colfax IN   336      
765-324 2 Colfax IN   336      
765-324 3 Colfax IN   336      
765-324 4 Colfax IN   336      
765-324 5 Colfax IN   336      
765-324 6 Colfax IN   336      
765-324 8 Colfax IN   336      
765-339 A Linden IN LNDNINXARP0  336   2024-01-09   
765-339 0 Linden IN   336      
765-339 3 Linden IN   336      
765-339 4 Linden IN   336      
765-339 5 Linden IN   336      
765-339 6 Linden IN   336      
765-339 7 Linden IN   336      
765-538 A Romney IN RMNYINXARP0  336   2024-01-09   
765-538 0 Romney IN   336      
765-538 2 Romney IN   336      
765-538 3 Romney IN   336      
765-538 5 Romney IN   336      
765-538 6 Romney IN   336      
765-538 8 Romney IN   336      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.