West Ham come to town on July 21st.
The match is the latest to be confirmed in what is expected to be a busy pre-season for Tony Humes and his team.
The U's opponents will be likely to have a new manager in charge for the game, after Sam Allardyce left the club at the end of the season.
The Hammers will come to town on Tuesday July 21st, a week before we host Ipswich Town, in a 7.45pm kick-off.
Colchester United will take on West Ham in a pre-season friendly at the Weston Homes Community Stadium.
Heybridge Swifts(A) 11th July, 3pm
(A) 14th July, 7:45pm St Neots
(H) 28th July, 7.45pmIpswich Town
(H) 21st July, 7.45pm West Ham United
(A) 18th July, 3pm Bishop's Stortford
(H) 21st July, 7.45pm West Ham United
(A) 18th July, 3pm Bishop's Stortford