.us

Overview
The .us TLD locality space is composed of domain names reflecting political geography based on two-letter state abbreviations and divided further into localities, including cities, counties, parishes, townships, or local names (e.g., ). In addition to geographical locality names, the space also includes certain affinity names such as, for example, STATE, FED, K12, LIB, and NSN.

NeuStar
Since 2001 NeuStar has managed the .us TLD for the Department of Commerce. NeuStar is responsible for improving the .us locality space by: providing support service to existing delegated managers and undelegated subdomains; modernizing .us TLD locality-based processes; and creating delegated manager and WHOIS databases.