The first trans-Pacific submarine cable system, TPC-1 (Trans Pacific Cable 1), was put into servie on on June 19, 1964. It's a submarine coaxial cable linking Japan, Guam, Havaii and mainland U.S.A. via Hawaii, with a small capacity of only 128 telephone lines. After that, many transpacific submarine cable systems were built continuously.

Now, the in-service transpacifc submarine cable systems include AAG, China-US CN, Japan-US CN, Pacific Crossng 1, Southern Cross Cable Network, Telstra Endeavour, TGN Pacific, TPC-5, TPE, Unity, etc.