Name: ZIP Code 70664 Profile
Creator: ZIP-Codes.com

Data Last Updated: March 1, 2026

City:	Sulphur, Louisiana
Parish:	Calcasieu Parish
Timezone:	Central (GMT -06:00)
Local Time:	8:59:34 AM
Population:	No Population Data
Area Code:	337
Classification:	PO Box
Coordinates:	30.2364, -93.3772
Quick Link:	https://www.zip-codes.com/zip-code/70664/zip-code-70664.asp

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In the United States, a county equivalent is a political or administrative subdivision of a state. It has a specific geographic area and some level of governmental authority. The term "county" is used in 47 states. Alaska, Louisiana, and Connecticut have functionally equivalent subdivisions called Boroughs, Parishes, and Planning Regions, respectively. They functionally act like counties by subdividing the state.

70664 - Sulphur, LA

ZIP Code 70664, Sulphur

Small Town Unique ZIP No Census Data

LocationCalcasieu County, LA

Area0 sq mi Single Point

Delivery Points641 (225 businesses)

PO Boxes416

ZIP CreatedBefore Oct 2004

Enclosed InZIP Code 70663

Key Facts

This ZIP was classified as PO Box only and serves as a supplementary postal facility for Sulphur, separate from the main 70663 ZIP code
The post office maintains 416 PO Boxes and serves 225 business delivery points
S Post Oak Rd is the only street in this ZIP, with 126 delivery points containing unit designators indicating a commercial facility
With 21 business establishments and 250 employees, this ZIP serves primarily business customers
Sulphur residents receive street delivery through the neighboring 70663 ZIP code, while 70664 handles PO Box service

Postal Service Overview

ZIP code 70664 serves Sulphur, Louisiana as a PO Box facility supporting the city's primary ZIP code 70663. This classification separates PO Box service from the main street delivery network in Sulphur, a city in Calcasieu Parish in southwest Louisiana.

Delivery Pattern

The post office maintains 416 PO Boxes and provides delivery to 225 business addresses. While classified as PO Box only, this ZIP includes one city carrier route serving S Post Oak Rd, where 126 delivery points with unit designators suggest a multi-unit commercial or office facility. Street delivery for most Sulphur residents comes through the neighboring 70663 ZIP code.

Business Presence

With 21 business establishments employing 250 people, this ZIP functions primarily as a business service point rather than a residential area. The PO Box facility provides mail access for businesses and residents who prefer box service over street delivery.

Street Name Patterns

Single Street Multi Unit Commercial

Only one street serves this ZIP: S Post Oak Rd with 126 unit-based delivery points.

Business & Employment Statistics

ZIP Code 70664 supports both business and residential activity. According to the Business Census (2024), there are 21 business establishments, employing about 307 people with an annual payroll of $13,619,000.

# Residential Mailboxes:	0Source: USPS
# Business Mailboxes:	0Source: USPS
Total Delivery Receptacles:	1,753Source: USPS
Single Family Delivery Units:	0Source: USPS
Multi Family Delivery Units:	0Source: USPS

# of Businesses:	21Source: CBP
1st Quarter Payroll:	$3,379,000Source: CBP
Annual Payroll:	$13,619,000Source: CBP
# of Employees:	307Source: CBP

Geography, Land Area, & Statistical Classifications

ZIP Code 70664 is located in Calcasieu Parish, Louisiana, within the Lake Charles, LA Metropolitan Statistical Area (CBSA 29340) and Louisiana's 3rd Congressional District. This Metro area has a population of 199,607 people, about 0.00% of whom live in ZIP Code 70664. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:	Lake Charles, LASource: Census
CBSA Number:	29340Source: Census
CBSA Type:	MetroSource: Census
CBSA Division:	--Source: Census
CBSA Population:	199,607Source: Census
MSA:	Lake Charles, LA MSASource: Census
Land Area:	--Source: Census
Water Area:	--Source: Census

Congressional District:	03Source: USPS
Congressional Land Area:	6983.32 sq miSource: Census
PMSA:	--Source: Census
Intro Date:	< 2004-10Source: ZIP-Codes.com
Place FIPS Code:	2273640Source: Census
Place Name:	Sulphur city; LouisianaSource: Census

Adjacent & Nearby ZIP Codes

70663: Sulphur, LA 70664 exists inside 70663
70669: Westlake, LA
70629: Lake Charles, LA
70601: Lake Charles, LA
70665: Sulphur, LA
70602: PO BOX
70605: Lake Charles, LA
70609: Lake Charles, LA
70612: PO BOX
70616: PO BOX
70611: Lake Charles, LA
70615: Lake Charles, LA
70633: Dequincy, LA
70607: Lake Charles, LA
70668: Vinton, LA
70606: PO BOX
70645: Hackberry, LA
70661: Starks, LA
70647: Iowa, LA
70657: Ragley, LA

70665 | | 70663

Schools in ZIP Code 70664

We could not locate which school district 70664 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Frasch Elementary School 540 S Huntington
Sulphur, LA 70663