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/879

ZIP codes starting with 879

ZIP codes
12
States
NM
Largest city
Truth Or Consequences, NM
Population
15,880

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 879xx

ZIP codes starting with 879
ZIP City Type Population Median income Median home
87901 Truth Or Consequences , NM Standard 6,378 $34,242 $128,700
87930 Arrey , NM Standard 718 $38,085 —
87931 Caballo , NM Standard 703 — —
87933 Derry , NM Standard 0 — —
87935 Elephant Butte , NM Standard 2,094 $51,033 $197,700
87936 Garfield , NM Standard 214 $22,043 $183,200
87937 Hatch , NM Standard 2,990 $39,495 $97,400
87939 Monticello , NM Standard 206 — —
87940 Rincon , NM Standard 393 $56,750 —
87941 Salem , NM Standard 988 $31,332 $61,700
87942 Williamsburg , NM Standard 1,005 $42,308 $114,800
87943 Winston , NM Standard 191 — —

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zipcodes.pro. “ZIP codes starting with 879.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/879

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