Columbia Online Information Network: Community information for Boone, Howard, and Calloway counties and Columbia, Missouri.
Columbia Yellow Pages: Search or browse yellow pages listings in the Columbia, Missouri area.
ColumbiaMO.Net: Columbia & Mid Missouri directory, news, weather, sports, entertainment and other information.
Downtown Columbia: Columbia, Missouri's cultural and historic district. Shop for unique gifts, enjoy a romantic dinner or bike the Katy trail.
USGS: Missouri River InfoLINK: An Internet-based Missouri River information clearinghouse. It is a multi-year project initiated in 1998 by a partnership of Federal agencies.
Visit Columbia: Guide to Columbia attractions and accommodations.