First three digits · Louisiana
ZIP Codes Starting with
75 ZIP codes start with 705, sorted at the Lafayette, LA (SCF 705) sectional center (USPS labeling list L005, effective October 1, 2026) in Louisiana: 61 residential ZIP codes across 9 counties and 14 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 705 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 705, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 705 to the Lafayette, LA (SCF 705) facility. The last two digits pick the delivery area. By residents, the largest town names among the 705 ZIP codes are Lafayette, New Iberia, Opelousas, Youngsville, Breaux Bridge and Abbeville.
The same facility sorts 2 prefixes, 119 ZIP codes in all: 705, 706.
Where are the 705 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 705
| County | ||||||
|---|---|---|---|---|---|---|
| 70501 | Lafayette | Lafayette Parish | 26,465 | 1,729 | $33k | $117k |
| 70502 | Lafayette | Lafayette Parish | PO Box or unique | – | – | – |
| 70503 | Lafayette | Lafayette Parish | 28,643 | 2,529 | $95k | $341k |
| 70504 | Lafayette | Lafayette Parish | PO Box or unique | – | – | – |
| 70505 | Lafayette | Lafayette Parish | PO Box or unique | – | – | – |
| 70506 | Lafayette | Lafayette Parish | 42,318 | 2,038 | $57k | $218k |
| 70507 | Lafayette | Lafayette Parish | 20,096 | 938 | $64k | $212k |
| 70508 | Lafayette | Lafayette Parish | 40,592 | 1,670 | $86k | $305k |
| 70509 | Lafayette | Lafayette Parish | PO Box or unique | – | – | – |
| 70510 | Abbeville | Vermilion Parish | 24,107 | 103 | $50k | $148k |
| 70511 | Abbeville | Vermilion Parish | PO Box or unique | – | – | – |
| 70512 | Arnaudville | St. Landry Parish | 10,740 | 110 | $47k | $167k |
| 70513 | Avery Island | Iberia Parish | 69 | 43 | $44k | – |
| 70514 | Baldwin | St. Mary Parish | 1,914 | 415 | $32k | $116k |
| 70515 | Basile | Acadia Parish | 3,978 | 55 | $66k | $137k |
| 70516 | Branch | Acadia Parish | 1,267 | 33 | $54k | $163k |
| 70517 | Breaux Bridge | St. Martin Parish | 26,024 | 154 | $61k | $162k |
| 70518 | Broussard | Lafayette Parish | 17,263 | 414 | $107k | $298k |
| 70519 | Cade | St. Martin Parish | 71 | 108 | – | – |
| 70520 | Carencro | Lafayette Parish | 20,390 | 525 | $63k | $208k |
| 70521 | Cecilia | St. Martin Parish | PO Box or unique | – | – | – |
| 70522 | Centerville | St. Mary Parish | 495 | 634 | $26k | – |
| 70523 | Charenton | St. Mary Parish | 476 | 345 | $63k | $120k |
| 70524 | Chataignier | Evangeline Parish | 243 | 89 | – | $64k |
| 70525 | Church Point | Acadia Parish | 14,687 | 143 | $45k | $120k |
| 70526 | Crowley | Acadia Parish | 16,566 | 131 | $38k | $158k |
| 70527 | Crowley | Acadia Parish | PO Box or unique | – | – | – |
| 70528 | Delcambre | Iberia Parish | 2,745 | 175 | $50k | $126k |
| 70529 | Duson | Lafayette Parish | 12,949 | 356 | $52k | $200k |
| 70531 | Egan | Acadia Parish | 1,477 | 44 | – | $219k |
| 70532 | Elton | Jefferson Davis Parish | 2,434 | 26 | $44k | $100k |
| 70533 | Erath | Vermilion Parish | 7,099 | 96 | $57k | $154k |
| 70534 | Estherwood | Acadia Parish | 622 | 98 | $46k | $89k |
| 70535 | Eunice | Acadia Parish | 18,466 | 115 | $44k | $159k |
| 70537 | Evangeline | Acadia Parish | 381 | 65 | – | $123k |
| 70538 | Franklin | St. Mary Parish | 12,464 | 54 | $52k | $118k |
| 70540 | Garden City | St. Mary Parish | PO Box or unique | – | – | – |
| 70541 | Grand Coteau | St. Landry Parish | 858 | 418 | $48k | $88k |
| 70542 | Gueydan | Vermilion Parish | 3,186 | 17 | $42k | $94k |
| 70543 | Iota | Acadia Parish | 4,082 | 57 | $62k | $168k |
| 70544 | Jeanerette | Iberia Parish | 10,269 | 100 | $55k | $117k |
| 70546 | Jennings | Jefferson Davis Parish | 15,242 | 100 | $52k | $153k |
| 70548 | Kaplan | Vermilion Parish | 8,780 | 17 | $52k | $122k |
| 70549 | Lake Arthur | Jefferson Davis Parish | 3,874 | 24 | $58k | $115k |
| 70550 | Lawtell | St. Landry Parish | 34 | 38 | – | – |
| 70551 | Leonville | St. Landry Parish | 570 | 855 | $45k | – |
| 70552 | Loreauville | Iberia Parish | 1,193 | 61 | $50k | $149k |
| 70554 | Mamou | Evangeline Parish | 4,728 | 35 | $29k | $93k |
| 70555 | Maurice | Vermilion Parish | 8,759 | 186 | $76k | $225k |
| 70556 | Mermentau | Acadia Parish | 627 | 354 | $118k | $55k |
| 70558 | Milton | Lafayette Parish | 24 | 202 | – | – |
| 70559 | Morse | Acadia Parish | 2,699 | 32 | $72k | $86k |
| 70560 | New Iberia | Iberia Parish | 36,996 | 210 | $46k | $134k |
| 70562 | New Iberia | Iberia Parish | PO Box or unique | – | – | – |
| 70563 | New Iberia | Iberia Parish | 20,165 | 322 | $77k | $211k |
| 70569 | Lydia | Iberia Parish | PO Box or unique | – | – | – |
| 70570 | Opelousas | St. Landry Parish | 37,565 | 219 | $45k | $143k |
| 70571 | Opelousas | St. Landry Parish | PO Box or unique | – | – | – |
| 70575 | Perry | Vermilion Parish | 74 | 2,313 | – | – |
| 70576 | Pine Prairie | Evangeline Parish | 908 | 807 | $34k | – |
| 70577 | Port Barre | St. Landry Parish | 3,939 | 52 | $47k | $102k |
| 70578 | Rayne | Acadia Parish | 16,432 | 143 | $50k | $160k |
| 70580 | Reddell | Evangeline Parish | 340 | 2,429 | – | – |
| 70581 | Roanoke | Jefferson Davis Parish | 958 | 37 | $71k | $164k |
| 70582 | Saint Martinville | St. Martin Parish | 19,209 | 130 | $50k | $163k |
| 70583 | Scott | Lafayette Parish | 8,386 | 296 | $52k | $141k |
| 70584 | Sunset | St. Landry Parish | 7,481 | 216 | $62k | $194k |
| 70585 | Turkey Creek | Evangeline Parish | 293 | 488 | – | $133k |
| 70586 | Ville Platte | Evangeline Parish | 19,320 | 62 | $40k | $147k |
| 70589 | Washington | St. Landry Parish | 2,875 | 24 | $50k | $129k |
| 70591 | Welsh | Jefferson Davis Parish | 5,983 | 35 | $78k | $159k |
| 70592 | Youngsville | Lafayette Parish | 32,167 | 757 | $93k | $260k |
| 70593 | Lafayette | Lafayette Parish | PO Box or unique | – | – | – |
| 70596 | Lafayette | Lafayette Parish | PO Box or unique | – | – | – |
| 70598 | Lafayette | Lafayette Parish | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.