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/855

ZIP codes starting with 855

ZIP codes
24
States
AZ
Largest city
Payson, AZ
Population
98,768

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 855xx

ZIP codes starting with 855
ZIP City Type Population Median income Median home
85501 Globe , AZ Standard 12,395 $61,983 $164,200
85502 Globe , AZ No street area — — —
85530 Bylas , AZ Standard 1,967 $38,750 $23,200
85531 Central , AZ Standard 657 $97,365 $480,000
85532 Claypool , AZ Standard 331 $73,802 $144,900
85533 Clifton , AZ Standard 2,607 $62,784 —
85534 Duncan , AZ Standard 2,672 $76,250 $167,800
85535 Eden , AZ Standard 42 — —
85536 Fort Thomas , AZ Standard 355 $104,500 $156,500
85539 Miami , AZ Standard 3,386 $47,807 $137,500
85540 Morenci , AZ Standard 3,992 $78,431 —
85541 Payson , AZ Standard 23,382 $66,383 $361,200
85542 Peridot , AZ Standard 2,885 $29,022 $31,900
85543 Pima , AZ Standard 4,868 $92,011 $265,000
85544 Pine , AZ Standard 2,834 $59,924 $418,900
85545 Roosevelt , AZ Standard 604 $53,707 $189,500
85546 Safford , AZ Standard 20,809 $61,832 $199,800
85547 Payson , AZ No street area — — —
85548 Safford , AZ No street area — — —
85550 San Carlos , AZ Standard 5,696 $51,491 $65,800
85551 Solomon , AZ Standard 361 $76,083 —
85552 Thatcher , AZ Standard 6,861 $88,454 $290,900
85553 Tonto Basin , AZ Standard 1,755 $50,762 $269,100
85554 Young , AZ Standard 309 — $246,700

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zipcodes.pro. “ZIP codes starting with 855.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/855

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