63401 Zip Code Hannibal Marion
Today
Aug 23, 2026,
ZIP Code 63401 is located in Hannibal, Missouri, in County Marion. It serves as an essential reference for accurate mail delivery, this ZIP Code assists identify the accurate postal area for residential and business addresses.
63401 Zip Code – Marion, Hannibal, MO
The 63401 zip code serves Marion. It is a neighborhood in Hannibal, Missouri. 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 63401 you can explore different neighborhoods, it also shows what makes each area unique.
Demographics of Zip Code 63401
Located in Hannibal, Missouri, zip code 63401 has a specific population and density that reflect the local community.
Finding the Right Zip Code for Hannibal, Marion County
If you need to send mail to Hannibal Marion county, you can easily find the zip code online or by visiting your local post office.
FAQs
How many digits is the Marion zip code?
The Marion zip code in Hannibal is a five-digit number used to identify this specific area.
Does the Marion zip code ever change?
Zip codes may change due to postal service updates or administrative reasons. If you are looking for the Marion zip code always check for the most current information from official postal sources or local post offices.
Which county is zip code 63401 in?
Zip code 63401 covers areas within Marion county, Missouri.