1955 Ken Kern started KLM Telephone Company by purchasing the Rich Hill Telephone Company, which started in 1941.
1972 The Deerfield, Missouri, area was converted to dial service.
1973 Missouri Union Telephone Company, Deerfield’s service provider, was merged into the KLM Telephone Company.
1975 KLM Telephone Company consisted of the merged operations of the acquired telephone companies/family run operations:
1987 All KLM exchanges were converted to digital, allowing call waiting and touch tone dial to finally become available to KLM customers.
1992 KLM Corporation was sold the RBJ Corporation owned by the Copsey family of Rich Hill, Missouri.
1999 KLM customers were able to choose their long distance providers.
2007 RBJ Corporation was purchased by American Broadband.