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/789

ZIP codes starting with 789

ZIP codes
28
States
TX
Largest city
Smithville, TX
Population
72,668

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 789xx

ZIP codes starting with 789
ZIP City Type Population Median income Median home
78931 Bleiblerville , TX Standard 185 — —
78932 Carmine , TX Standard 576 $62,917 $323,600
78933 Cat Spring , TX Standard 1,395 $68,444 $272,600
78934 Columbus , TX Standard 6,731 $58,302 $234,500
78935 Alleyton , TX Standard 734 — $216,700
78938 Ellinger , TX Standard 270 $61,250 $201,400
78940 Fayetteville , TX Standard 2,188 $89,157 $292,200
78941 Flatonia , TX Standard 3,619 $76,477 $194,200
78942 Giddings , TX Standard 10,136 $73,429 $255,700
78943 Glidden , TX Standard 886 $98,531 $206,600
78944 Industry , TX Standard 720 $126,806 $384,100
78945 La Grange , TX Standard 10,394 $75,446 $340,300
78946 Ledbetter , TX Standard 1,117 $65,221 $315,800
78947 Lexington , TX Standard 5,044 $84,649 $319,600
78948 Lincoln , TX Standard 567 $58,889 $316,100
78949 Muldoon , TX Standard 760 $64,167 $285,000
78950 New Ulm , TX Standard 2,300 $91,354 $247,700
78951 Oakland , TX Standard 0 — —
78952 Plum , TX No street area — — —
78953 Rosanky , TX Standard 1,089 $83,438 $325,400
78954 Round Top , TX Standard 1,173 $103,750 $427,300
78956 Schulenburg , TX Standard 5,243 $67,903 $248,600
78957 Smithville , TX Standard 10,543 $69,149 $259,900
78959 Waelder , TX Standard 1,157 $60,472 —
78960 Warda , TX No street area — — —
78961 Round Top , TX No street area — — —
78962 Weimar , TX Standard 5,236 $71,278 $235,600
78963 West Point , TX Standard 605 $97,917 $235,600

Cite this page

zipcodes.pro. “ZIP codes starting with 789.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/789

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