How to get to zion? Zion is easily reached by car. The main population centers near the park are St. George and Cedar City in Utah; Cedar City is just 18 miles from the Kolob Canyon entrance at the north end of the park, while St. George is more convenient for access to the southern entrance.What is national park service phone number? The customer support phone number of Park National Bank is 740-349-8633, 740-349-8451, 800-762-2616 (Click phone number to call). The postal and official address, email address and phone number (helpline) of Park National Bank Service Center and Park National Bank customer service phone number is given below.Does zion require reservations? Zion National Park May Need to Require Reservations. Zion is the fifth most-visited park in the NPS system and is particularly susceptible to overcrowding as many of its cliffs and trails are located in the narrow Zion Canyon. "We have to do something," says park spokesman John Marciano.When does zion national park close? Zion National Park is open year-round, but its main season stretches from April to October. Zion's visitor centers have fluctuating hours by season, and some facilities are closed in the winter. The Zion Shuttle, which provides service between the town of Springdale and various stops within the park, operates between April and October.