Zip code 18031

Zip code 18031, PA

The zip code 18031, type standard, belongs to Breinigsville . It is part of the county Lehigh County, state of Pennsylvania. It has an estimated population of 10840.

The postal code 18031 has only one denomination. If you are going to use the postal service be sure to use only those denominations marked as official (Breinigsville).