St Louis Zip code

St Louis Zip code / St Louis Postal code

St Louis Zip code, introduced by the United States Postal Service (USPS) in 1963, are numerical codes used to identify specific geographic regions for mail delivery. and St Louis zip code used a 5-digit postal format XXXXX, The first 3 digit represent the postal delivery zone code, and last 2 digit represent the Post office in the St Louis.

There are total 54 zipcode code in St Louis and range of zipcode is 55602 to 55816. View all the zip code on map of St Louis by clicking on our mapview appliction.

1. What is the format of zip codes in St Louis?
St Louis zip codes follow the standard 5-digit format, starting with the number - 556.

2. How many zip codes are there in St Louis?
There are approximately 54 zip codes in St Louis, covering a vast area of the county.

3. Do all areas in St Louis have zip codes?
Yes, almost all populated areas in St Louis are assigned a unique zip code for mail delivery purposes.