Piegan/Carway Port of Entry is located on U.S. Hwy 89 north of Babb, MT and is open 7:00 am to 11:00 pm year round. Chief Mountain Port of Entry is only open in summer and operating hours vary. See the U.S. Customs and Border Protection website for more details. Roosville Port of Entry is located on U.S. Hwy 93 north of Eureka, MT and is open 24/7.
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