Live Chat I-35 Community Nearby Traffic Williams Post Office (Amenity postoffice) 2024-05-31 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Williams Post Office (Amenity Postoffice) Blairsburg, IA 7.85 Alden, IA 12.18 Popejoy, IA 15.50 Interstate highway exits close to Williams Post Office (Amenity Postoffice) Exit 144, i35 2.49 Exit 147, i35 3.61 Exit 142b a, i35 4.56 Interstate highways close to Williams Post Office (Amenity Postoffice) i35 map 2.49 i80 map 90.59 i90 map 131.23 State roads close to Williams Post Office (Amenity Postoffice) IA COUNTY D25 map 1.70 IA CR R61 map 4.36 US 20 IA map 4.36