Monroe County, IL Harrisonville Telephone Company has been proud to support Monroe County, Illinois since 1896. Beginning as a reliable telephone service provider, HTC has now expanded to become one of the largest independent communications providers in the country and remains committed to offering the most advanced Internet, TV and voice products and services to customers. Get The Best Service Bundle TV, Internet and Phone for one low price! GET YOUR BUNDLE Monroe County has a proud past and was the eigth county formed from the then-named Illinois Territory. Originally settled by French pioneers, St. Philippe was the first organized community, began by Philippe Francois Renault in 1723. Monroe County was established in 1816 and was named after James Monroe, United States Secretary of War and future President of the United States. Harrisonville, Illinois was the first county seat and was named after William Henry Harrison, former Northwest Territory governor and another future United States President. St. Philippe and Harrisonville were both unfortunately permanently submerged by the Mississippi River and Waterloo became the county seat in 1825. Celebrating its 200th anniversary in 2016, Monroe County is now a lively county with multiple communities, each with its own peaceful neighborhoods and busy business districts. Communities served by HTC in Monroe County include Columbia, Hecker, Renault, Valmeyer and Waterloo. With over half of the current Monroe County inhabitants claiming Germany as their country of ancestry, approximately 33,000 people call Monroe County their home. Waterloo remains as the seat of Monroe County and is the largest city in the county with a population of approximately 10,000. HTC began as a provider of telephone services in Monroe County in 1896. Now over 120 years later, we remain the leader in voice services an are the premier Internet provider in Monroe County. HTC provides Waterloo with the region’s largest and fastest high-speed Internet network with speeds up to 1 Gbps, the latest in television technology delivering the most consistent and clear service to your home, and the most reliable voice and telephone service in the area. Whether residential or business, our Waterloo customers, like all HTC customers, can be assured they will receive the fastest response with local employees. Whatever your communication needs, HTC is there and will continue to be there to serve Monroe County and its people.