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/SULPHUR

Sulphur ZIP codes, Louisiana

Sulphur, LA has 3 ZIP codes (70663, 70665 and 70664) and area code 337. The largest is 70663.

USPS city name
3 ZIP codes
Overlapping the city
1 more
Population
20,775
Area code
337

Mail addressed to Sulphur uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Sulphur in numbers

About 20,775 people live in Sulphur, in 8,234 households, the 24th-largest of Louisiana's 488 census places. The median household income is $61,760 a year, about the same as the Louisiana median of $60,756 (US: $80,734). The median owner-occupied home is valued at $182,900 (16% below the Louisiana median), and median gross rent is $994 a month. The median age is 38.0; 16.9% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana); the average commute takes 18 minutes.

Population20,775Sulphur20,775
Households8,234Sulphur8,234
Median age38.0Sulphur38.0Louisiana38.0US 38.9
Median household income$61,760Sulphur$61,760Louisiana$60,756US $80,734
Median home value$182,900Sulphur$182,900Louisiana$216,500US $332,700
Median gross rent$994Sulphur$994Louisiana$1,064US $1,413
Bachelor's degree or higher16.9%Sulphur16.9%Louisiana27.0%US 35.7%
Mean commute17.6 minSulphur17.6 minLouisiana25.7 minUS 26.4 min
Population density1,849 / sq miSulphur1,849 / sq mi

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

ZIP codes addressed as Sulphur

ZIP codes with the USPS city name Sulphur
ZIP City Type Population Median income Median home
70663 Sulphur , LA Standard 27,799 $64,707 $180,600
70665 Sulphur , LA Standard 13,222 $86,573 $236,800
70664 Sulphur , LA No street area — — —

Other ZIP codes overlapping Sulphur

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

ZIP codes overlapping Sulphur
ZIP City Type Population Median income Median home
70669 Westlake , LA Standard 9,552 $69,106 $172,800

Map of Sulphur ZIP codes

706637066570664

The ZIP codes of Sulphur, 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 Sulphur

The nearest larger towns are Lake Charles (81,143 people, 8.9 mi), Port Arthur, TX (55,828 people, 39 mi) and Beaumont, TX (113,279 people, 48 mi).

Towns near Sulphur
TownPopulationDistance
Carlyss 4,412 3.7 mi
Westlake 4,743 5.9 mi
Prien 7,119 7.3 mi
Lake Charles 81,143 8.9 mi
Moss Bluff 12,482 10.4 mi
Vinton 3,176 13.7 mi
DeQuincy 2,931 16.1 mi
Iowa 3,200 20.5 mi
Orange, TX 19,177 24.9 mi
West Orange, TX 3,420 26.3 mi

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

Cite this page

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

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