Zip code 51003

Zip code 51003, IA

The zip code 51003, type standard, belongs to the following denominations: Alton y Carnes . It is part of the county Sioux County, state of Iowa. It has an estimated population of 1640.

The postal code 51003 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Alton).