Allen Zip code

Allen Zip code / Allen Postal code

Allen 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 Allen 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 Allen.

There are total 3 zipcode code in Allen and range of zipcode is 42120 to 42164. View all the zip code on map of Allen by clicking on our mapview appliction.

1. What is the format of zip codes in Allen?
Allen zip codes follow the standard 5-digit format, starting with the number - 421.

2. How many zip codes are there in Allen?
There are approximately 3 zip codes in Allen, covering a vast area of the county.

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