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 — CITY/TX/MAXWELL

Maxwell ZIP code, Texas

The ZIP code for Maxwell, TX is 78656, and its area codes are 737 and 512.

USPS city name
1 ZIP code
Population
2,847
Area codes
737, 512
State
Texas

NANPA lists no telephone rate centre for Maxwell itself, so these are the area codes of the nearest one, Kyle (6.3 miles). A town on an area-code boundary can differ from its neighbour.

Maxwell in numbers

About 2,847 people live in Maxwell, in 976 households. The median household income is $81,346 a year, 4% above the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $238,100 (16% below the Texas median).

Population2,847Maxwell2,847
Households976Maxwell976
Median household income$81,346Maxwell$81,346Texas$78,476US $80,734
Median home value$238,100Maxwell$238,100Texas$283,800US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Maxwell. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Maxwell

ZIP codes with the USPS city name Maxwell
ZIP City Type Population Median income Median home
78656 Maxwell , TX Standard 2,847 $81,346 $238,100

Map of Maxwell ZIP codes

The ZIP codes of Maxwell, TX, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Maxwell

The nearest larger towns are Kyle (56,823 people, 7.7 mi), Lockhart (15,326 people, 7.7 mi) and San Marcos (70,897 people, 8.0 mi).

Towns near Maxwell
TownPopulationDistance
Uhland 2,520 4.4 mi
Kyle 56,823 7.7 mi
Lockhart 15,326 7.7 mi
San Marcos 70,897 8.0 mi
Redwood 3,441 9.0 mi
Buda 15,859 12.5 mi
Wimberley 2,891 17.8 mi
Luling 5,531 18.2 mi
Shady Hollow 5,709 18.3 mi
Cedar Creek 4,440 21.6 mi
Belterra 6,978 22.3 mi
New Braunfels 104,643 23.3 mi
Seguin 33,754 23.8 mi
Wyldwood 4,934 25.1 mi

More nearby: every ZIP code in Caldwell County · Texas ZIP codes

Cite this page

zipcodes.pro. “Maxwell, TX ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tx/maxwell

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