51109 Zip Code Sioux City Plymouth
Today
Aug 06, 2026,
ZIP Code 51109 is located in Sioux City, Iowa, in County Plymouth. It serves as an essential reference for accurate mail delivery, this ZIP Code assists identify the accurate postal area for residential and business addresses.
51109 Zip Code – Plymouth, Sioux City, IN
The 51109 zip code serves Plymouth. It is a neighborhood in Sioux City, Iowa. This code is important for accurate mail delivery. It can also help you find local amenities such as schools, parks and community events. By using zip codes like 51109 you can explore different neighborhoods, it also shows what makes each area unique.
Demographics of Zip Code 51109
Located in Sioux City, Iowa, zip code 51109 has a specific population and density that reflect the local community.
Finding the Right Zip Code for Sioux City, Plymouth County
If you need to send mail to Sioux City Plymouth county, you can easily find the zip code online or by visiting your local post office.
FAQs
How many digits is the Plymouth zip code?
The Plymouth zip code in Sioux City is a five-digit number used to identify this specific area.
Does the Plymouth zip code ever change?
Zip codes may change due to postal service updates or administrative reasons. If you are looking for the Plymouth zip code always check for the most current information from official postal sources or local post offices.
Which county is zip code 51109 in?
Zip code 51109 covers areas within Plymouth county, Iowa.