County ZIP codes · Louisiana · FIPS 22019
Calcasieu Parish, LA ZIP Codes
Calcasieu Parish, Louisiana has 21 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 5 for PO boxes or a single organization. 15 of the residential ones lie mainly in Calcasieu Parish and 1 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $49,455 in 70668 (Vinton) to $101,844 in 70611 (Lake Charles) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Calcasieu Parish?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $60,351 and $71,045.
They carry 9 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 16 residential ZIP codes in Calcasieu Parish
15 ZIP codes lie mainly in Calcasieu Parish; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 70605 | Lake Charles | 40,482 | 942 | $86k | $309k | 100% |
| 70601 | Lake Charles | 30,872 | 1,915 | $50k | $162k | 100% |
| 70663 | Sulphur | 27,799 | 284 | $65k | $181k | 100% |
| 70607 | Lake Charles | 27,080 | 235 | $60k | $181k | 55% |
| 70611 | Lake Charles | 22,124 | 271 | $102k | $258k | 100% |
| 70665 | Sulphur | 13,222 | 86 | $87k | $237k | 100% |
| 70615 | Lake Charles | 12,980 | 283 | $40k | $140k | 100% |
| 70647 | Iowa | 12,736 | 71 | $71k | $271k | 51% |
| 70669 | Westlake | 9,552 | 327 | $69k | $173k | 100% |
| 70633 | Dequincy | 8,486 | 48 | $67k | $180k | 58% |
| 70668 | Vinton | 6,169 | 44 | $50k | $129k | 100% |
| 70661 | Starks | 1,861 | 10 | $25k | $84k | 69% |
| 70646 | Hayes | 877 | 90 | $129k | $165k | 100% |
| 70609 | Lake Charles | 357 | 39,667 | – | – | 100% |
| 70629 | Lake Charles | no residents | 0 | – | – | 100% |
Partly in Calcasieu Parish
| In this county | ||||||
|---|---|---|---|---|---|---|
| 70630 | Bell City | 1,478 | 11 | $74k | $209k | 43% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Calcasieu Parish extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Calcasieu | Elsewhere |
|---|---|---|
| 70607 | 55% | Cameron Parish 45% |
| 70647 | 51% | Jefferson Davis Parish 49% |
| 70633 | 58% | Beauregard Parish 42% |
| 70661 | 69% | Beauregard Parish 31% |
| 70630 | 43% | Cameron Parish 57% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Calcasieu Parish's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Calcasieu Parish starts with 706.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 706 | Lafayette, LA (SCF 705) | 21 | 44 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.