Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — PREFIX/091

ZIP codes starting with 091

ZIP codes
51
States
AE
Largest city
APO AE, AE

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 091xx

ZIP codes starting with 091
ZIP City Type
09100 APO AE , AE Military (APO/FPO/DPO)
09102 APO AE , AE Military (APO/FPO/DPO)
09103 APO AE , AE Military (APO/FPO/DPO)
09104 APO AE , AE Military (APO/FPO/DPO)
09107 APO AE , AE Military (APO/FPO/DPO)
09108 APO AE , AE Military (APO/FPO/DPO)
09110 APO AE , AE Military (APO/FPO/DPO)
09111 APO AE , AE Military (APO/FPO/DPO)
09112 APO AE , AE Military (APO/FPO/DPO)
09114 APO AE , AE Military (APO/FPO/DPO)
09123 APO AE , AE Military (APO/FPO/DPO)
09126 APO AE , AE Military (APO/FPO/DPO)
09128 APO AE , AE Military (APO/FPO/DPO)
09130 APO AE , AE Military (APO/FPO/DPO)
09131 APO AE , AE Military (APO/FPO/DPO)
09132 APO AE , AE Military (APO/FPO/DPO)
09136 APO AE , AE Military (APO/FPO/DPO)
09137 APO AE , AE Military (APO/FPO/DPO)
09138 APO AE , AE Military (APO/FPO/DPO)
09139 APO AE , AE Military (APO/FPO/DPO)
09140 APO AE , AE Military (APO/FPO/DPO)
09141 APO AE , AE Military (APO/FPO/DPO)
09142 APO AE , AE Military (APO/FPO/DPO)
09143 APO AE , AE Military (APO/FPO/DPO)
09144 APO AE , AE Military (APO/FPO/DPO)
09154 APO AE , AE Military (APO/FPO/DPO)
09156 APO AE , AE Military (APO/FPO/DPO)
09157 APO AE , AE Military (APO/FPO/DPO)
09160 APO AE , AE Military (APO/FPO/DPO)
09162 APO AE , AE Military (APO/FPO/DPO)
09164 APO AE , AE Military (APO/FPO/DPO)
09165 APO AE , AE Military (APO/FPO/DPO)
09166 APO AE , AE Military (APO/FPO/DPO)
09169 APO AE , AE Military (APO/FPO/DPO)
09171 APO AE , AE Military (APO/FPO/DPO)
09172 APO AE , AE Military (APO/FPO/DPO)
09173 APO AE , AE Military (APO/FPO/DPO)
09175 APO AE , AE Military (APO/FPO/DPO)
09176 APO AE , AE Military (APO/FPO/DPO)
09177 APO AE , AE Military (APO/FPO/DPO)
09178 APO AE , AE Military (APO/FPO/DPO)
09180 APO AE , AE Military (APO/FPO/DPO)
09182 APO AE , AE Military (APO/FPO/DPO)
09183 APO AE , AE Military (APO/FPO/DPO)
09184 APO AE , AE Military (APO/FPO/DPO)
09185 APO AE , AE Military (APO/FPO/DPO)
09186 APO AE , AE Military (APO/FPO/DPO)
09187 APO AE , AE Military (APO/FPO/DPO)
09189 APO AE , AE Military (APO/FPO/DPO)
09192 APO AE , AE Military (APO/FPO/DPO)
09196 APO AE , AE Military (APO/FPO/DPO)

Cite this page

zipcodes.pro. “ZIP codes starting with 091.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/091

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