First three digits · Idaho and Wyoming
ZIP Codes Starting with
46 ZIP codes start with 834, sorted at the Pocatello, ID (SCF 832) sectional center (USPS labeling list L005, effective October 1, 2026) in Idaho and Wyoming: 42 residential ZIP codes across 8 counties and 4 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 834 mean?
The first digit, 8, is one of ten national areas (Arizona, Colorado, Idaho, New Mexico, Nevada, Utah and Wyoming). The first three, 834, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 834 to the Pocatello, ID (SCF 832) facility. The last two digits pick the delivery area. By residents, the largest town names among the 834 ZIP codes are Idaho Falls, Rexburg, Rigby, Saint Anthony, Salmon and Victor.
The same facility sorts 2 prefixes, 103 ZIP codes in all: 832, 834.
Where are the 834 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 834
| County | ||||||
|---|---|---|---|---|---|---|
| 83401 | Idaho Falls | Bonneville County | 47,972 | 243 | $79k | $359k |
| 83402 | Idaho Falls | Bonneville County | 29,994 | 175 | $75k | $335k |
| 83403 | Idaho Falls | Bonneville County | PO Box or unique | – | – | – |
| 83404 | Idaho Falls | Bonneville County | 27,500 | 1,101 | $82k | $394k |
| 83405 | Idaho Falls | Bonneville County | PO Box or unique | – | – | – |
| 83406 | Idaho Falls | Bonneville County | 19,696 | 615 | $87k | $392k |
| 83414 | Alta | Teton County | 502 | 1 | – | $1.28M |
| 83415 | Idaho Falls | Bonneville County | PO Box or unique | – | – | – |
| 83420 | Ashton | Fremont County | 2,580 | 6 | $69k | $338k |
| 83421 | Chester | Fremont County | 220 | 19 | – | $282k |
| 83422 | Driggs | Teton County | 3,847 | 31 | $97k | $549k |
| 83423 | Dubois | Clark County | 729 | 1 | $54k | $212k |
| 83424 | Felt | Teton County | 168 | 4 | $151k | $804k |
| 83425 | Hamer | Jefferson County | 622 | 5 | $81k | $227k |
| 83427 | Iona | Bonneville County | 2,931 | 35 | $84k | $427k |
| 83428 | Irwin | Bonneville County | 576 | 2 | $69k | $574k |
| 83429 | Island Park | Fremont County | 628 | 1 | $79k | $502k |
| 83431 | Lewisville | Jefferson County | 1,045 | 83 | $91k | $242k |
| 83433 | Macks Inn | Fremont County | 36 | 23 | $94k | $265k |
| 83434 | Menan | Jefferson County | 1,816 | 42 | $83k | $277k |
| 83435 | Monteview | Jefferson County | 600 | 3 | $74k | $221k |
| 83436 | Newdale | Madison County | 778 | 8 | $80k | $337k |
| 83438 | Parker | Fremont County | 327 | 6,170 | $146k | $233k |
| 83440 | Rexburg | Madison County | 51,421 | 283 | $58k | $419k |
| 83441 | Rexburg | Madison County | PO Box or unique | – | – | – |
| 83442 | Rigby | Jefferson County | 25,609 | 198 | $88k | $449k |
| 83443 | Ririe | Bonneville County | 1,364 | 7 | $66k | $248k |
| 83444 | Roberts | Jefferson County | 1,261 | 8 | $88k | $263k |
| 83445 | Saint Anthony | Fremont County | 7,975 | 27 | $68k | $284k |
| 83446 | Spencer | Clark County | 24 | 1 | $75k | – |
| 83448 | Sugar City | Madison County | 3,365 | 117 | $76k | $382k |
| 83449 | Swan Valley | Bonneville County | 273 | 1 | $82k | $574k |
| 83450 | Terreton | Jefferson County | 1,207 | 9 | $70k | $231k |
| 83451 | Teton | Madison County | 993 | 60 | $68k | $259k |
| 83452 | Tetonia | Teton County | 2,237 | 13 | $72k | $566k |
| 83454 | Ucon | Bonneville County | 409 | 2,525 | $67k | $358k |
| 83455 | Victor | Teton County | 6,173 | 67 | $122k | $789k |
| 83460 | Rexburg | Madison County | 56 | 195 | – | – |
| 83462 | Carmen | Lemhi County | 667 | 6 | – | $456k |
| 83463 | Gibbonsville | Lemhi County | 66 | 0 | $58k | $328k |
| 83464 | Leadore | Lemhi County | 296 | 0 | $41k | $216k |
| 83465 | Lemhi | Lemhi County | 104 | 1 | $65k | $425k |
| 83466 | North Fork | Lemhi County | 197 | 1 | – | $520k |
| 83467 | Salmon | Lemhi County | 6,590 | 8 | $54k | $317k |
| 83468 | Tendoy | Lemhi County | 191 | 1 | $85k | $364k |
| 83469 | Shoup | Lemhi County | 25 | 0 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.