Trinity Center is a census-designated place in Trinity County, California. Trinity Center is located 29 miles north of Weaverville. It is home to Trinity Lake, a popular summer tourist destination. The telephone prefix is 266-xxxx or more rarely 286-xxxx. It is home to a store, Trinity Center Airport, a marina, a community church, several campgrounds, and several small resorts.Coffee Creek is close by. The ZIP code is 96091. Trinity Center sits at an elevation of 2,390 feet. The 2010 United States census reported Trinity Center's population was 267.