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/LA/RIO

Rio ZIP codes, Louisiana

No ZIP code is named for Rio, LA; addresses there use a neighbouring town's name. The ZIP code covering it is 70427. Its area code is 985.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
219
Area code
985

NANPA lists no telephone rate centre for Rio itself, so these are the area codes of the nearest one, Bogalusa (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Rio in numbers

About 219 people live in Rio, in 13 households. The median age is 13.2; 38.2% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana).

Population219Rio219
Households13Rio13
Median age13.2Rio13.2Louisiana38.0US 38.9
Bachelor's degree or higher38.2%Rio38.2%Louisiana27.0%US 35.7%
Population density193 / sq miRio193 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Rio CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Rio

These ZIP codes cover part of Rio but are addressed as somewhere else.

ZIP codes overlapping Rio
ZIP City Type Population Median income Median home
70427 Bogalusa , LA Standard 17,596 $38,074 $133,400

Map of Rio ZIP codes

The ZIP codes of Rio, LA, 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 Rio

The nearest larger towns are Sun (381 people, 3.0 mi), Bogalusa (10,468 people, 6.0 mi) and Varnado (425 people, 15 mi).

Towns near Rio
TownPopulationDistance
Bogalusa 10,468 6.0 mi
Hide-A-Way Lake, MS 2,569 16.8 mi
Abita Springs 2,699 16.9 mi
Picayune, MS 11,900 17.1 mi
Nicholson, MS 3,146 18.1 mi
Franklinton 3,602 18.7 mi
Covington 11,658 19.7 mi
Pearl River 2,614 23.6 mi
Poplarville, MS 2,847 23.7 mi
Mandeville 12,946 25.1 mi
Lacombe 6,310 26.2 mi
Slidell 28,561 28.5 mi

More nearby: every ZIP code in Washington Parish · Louisiana ZIP codes

Cite this page

zipcodes.pro. “Rio, LA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/la/rio

Underlying data is public domain or openly licensed — sources, vintages and licences.