ZIP code 51040 is located in Onawa, Iowa. This area is part of the IA postal region.
Onawa is served by ZIP code 51040. The timezone for this area is America/Chicago.
51040 Overview
Onawa, Iowa
ZIP BOUNDARY
Geographic Information
STATE
Iowa (IA)
CITY
Onawa
TIMEZONE
America/Chicago
COORDINATES
42.0307, -96.0706
About ZIP Code 51040
Frequently Asked Questions
What city is ZIP code 51040 in?
51040 is in Onawa, Iowa.
What state is 51040 in?
ZIP code 51040 is in Iowa (IA).
What is the timezone for 51040?
The timezone is America/Chicago.
Data Disclaimer
Data is for informational purposes only. Please verify through official sources like USPS.