Complex sentence: Western California Telephone Company provided telephone service to Kenwood, Los Gatos, Morgan Hill and Novato, but in the 1970s was acquired by General Telephone, (later GTE and then Verizon).
Split into simpler sentences: Western California Telephone Company provided telephone service to Kenwood, Los Gatos, Morgan Hill and Novato. In the 1970s, the utility was acquired by General Telephone, (later GTE and then Verizon).