Grand Mound Cooperative Telephone Association
- Offers local and long distance residential and business phone service, wireless, voice mail, paging, travel cards and fax. Includes descriptions of services, history, employee profiles and office hours.
- http://www.gmcta.coop/

City-Data.com: Grand Mound, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps.
- http://www.city-data.com/city/Grand-Mound-Iowa.html

Wikipedia - Grand Mound, Iowa
- Encyclopedia article presents geography and demographics of this community in Clinton County.
- http://en.wikipedia.org/wiki/Grand_Mound,_Iowa