What are some postal ZIP codes in Maine?

In Maine, Portland has postal ZIP codes that include 04101, 04102 and 04103, while the South Portland ZIP code is 04106. The ZIP code for Bangor is 04401, while Auburn has a postal code of 04210. The Kents Hills ZIP code is 04349, and the Randolph ZIP code is 04346.

In total, the state of Maine has about 200 ZIP codes that either begin with 04 or 03. The largest city in Maine is Portland, followed by Lewiston, Bangor and South Portland. In total, the state has 23 incorporated cities. The capital city of Maine is Augusta, which is in Kennebec County.