U.S. Customs And Border Protection - Derby Line Port Of Entry II is located in Willcox, United States on 200 W Downen St. U.S. Customs And Border Protection - Derby Line Port Of Entry II is rated 2 out of 5 in the category landmarks & historical buildings in United States. CBP provides security and facilitation operations at 328 ports of entry throughout the country. Use this interactive map to find information specific to air, sea and ...