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Arizona Zip Codes are designated by the United States Postal Service (USPS).
Zip Codes of Arizona
These are essentially five digit postal codes that start with the digit 8. Other states that have zip codes commencing with the number 8 are Colorado (CO), New Mexico (NM), Idaho (ID), Utah (UT), Nevada (NV), and Wyoming (WY).
Arizona zip codes can be used to locate various important cities and towns in the state.
The state houses 15 counties and they can be located by their separate area codes. Locating a city in Arizona is easy when you use its specific zip code and vice versa.