Live Chat I-37 Community Nearby Traffic Harlingen Post Office (Amenity postoffice) 2024-06-10 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Harlingen Post Office (Amenity Postoffice) McAllen, TX 5.45 Combes, TX 6.87 Brownsville, TX 7.89 Interstate highway exits close to Harlingen Post Office (Amenity Postoffice) Exit 5, i37 179.03 Exit 4a, i37 179.08 Exit 4b, i37 179.08 Interstate highways close to Harlingen Post Office (Amenity Postoffice) i37 map 179.03 i35 map 231.22 i410tx map 354.56 State roads close to Harlingen Post Office (Amenity Postoffice) TX FM 507 map 1.17 TX SPUR 206 map 1.89 TX LOOP 499 map 1.93