ZCTAs for Iowa and Surrounding Areas

This dataset contains ZIP Code Tabulation Areas (ZCTAs) for Iowa and surrounding areas. ZCTAs are generalized representations of United States Postal Service (USPS) ZIP Code service areas. The USPS ZIP Codes identify the individual post office or metropolitan area delivery station associated with mailing addresses. USPS ZIP Codes are not areal features but a collection of mail delivery routes.

[
  "Boundaries"
]