ZIP Code 63123 is located in the county of St. Louis in the state of Missouri. 63123 ZIP Code is spread between the coordinates of +38.5504791 Latitude and -90.32361583 Longitude. 63123 ZIP Code is part of the 314 area code. There are 0 postal offices in zip code 63123.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 63123. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.