Numazu Station opened on February 1, 1889 when the section of the Tōkaidō Main Line connecting Shizuoka with Kōzu was completed. A spur line to nearby Numazu Port was established in 1899. The first station building burned down in a fire of 1913 and the second in a fire of 1926. On December 1, 1934, Numazu was connected directly with Atami Station via the Tanna Tunnel, thus eliminating the previous long detour north to Gotemba Station in the section between Tokyo and Shizuoka. Numazu Station was rebuilt in 1937, but was burned down again, this time in the Bombing of Numazu in World War II. The next station building was erected in 1953, and rebuilt in 1973.