First three digits · Utah
ZIP Codes Starting with
94 ZIP codes start with 840, sorted at the Salt Lake City, UT (SCF 840) sectional center (USPS labeling list L005, effective October 1, 2026) in Utah: 86 residential ZIP codes across 12 counties and 8 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 840 mean?
The first digit, 8, is one of ten national areas (Arizona, Colorado, Idaho, New Mexico, Nevada, Utah and Wyoming). The first three, 840, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 840 to the Salt Lake City, UT (SCF 840) facility. The last two digits pick the delivery area. By residents, the largest town names among the 840 ZIP codes are West Jordan, Orem, Sandy, Lehi, Layton and South Jordan.
The same facility sorts 9 prefixes, 266 ZIP codes in all: 829, 830, 831, 840, 841, 842, 843, 844, 898.
Where are the 840 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 840
| County | ||||||
|---|---|---|---|---|---|---|
| 84001 | Altamont | Duchesne County | 735 | 35 | $81k | $224k |
| 84002 | Altonah | Duchesne County | 388 | 10 | $83k | $326k |
| 84003 | American Fork | Utah County | 57,430 | 780 | $120k | $630k |
| 84004 | Alpine | Utah County | 10,427 | 337 | $171k | $980k |
| 84005 | Eagle Mountain | Utah County | 52,530 | 1,439 | $113k | $516k |
| 84006 | Bingham Canyon | Salt Lake County | 1,060 | 41 | $83k | $397k |
| 84007 | Bluebell | Duchesne County | 431 | 21 | $91k | $361k |
| 84008 | Bonanza | Uintah County | no residents | 0 | – | – |
| 84009 | South Jordan | Salt Lake County | 44,186 | 4,131 | $138k | $607k |
| 84010 | Bountiful | Davis County | 46,871 | 1,233 | $102k | $526k |
| 84011 | Bountiful | Davis County | PO Box or unique | – | – | – |
| 84013 | Cedar Valley | Utah County | 558 | 13 | $105k | $477k |
| 84014 | Centerville | Davis County | 16,679 | 1,297 | $123k | $531k |
| 84015 | Clearfield | Davis County | 71,812 | 3,448 | $96k | $417k |
| 84016 | Clearfield | Davis County | PO Box or unique | – | – | – |
| 84017 | Coalville | Summit County | 4,417 | 8 | $96k | $621k |
| 84018 | Croydon | Morgan County | 182 | 1 | – | – |
| 84020 | Draper | Salt Lake County | 50,278 | 1,851 | $129k | $785k |
| 84021 | Duchesne | Duchesne County | 3,069 | 5 | $74k | $272k |
| 84022 | Dugway | Tooele County | 516 | 4 | $102k | $453k |
| 84023 | Dutch John | Daggett County | 71 | 0 | $51k | $292k |
| 84024 | Echo | Summit County | 83 | 11 | – | – |
| 84025 | Farmington | Davis County | 25,389 | 1,786 | $127k | $651k |
| 84026 | Fort Duchesne | Uintah County | 565 | 15 | $32k | $201k |
| 84027 | Fruitland | Duchesne County | 683 | 3 | $76k | $308k |
| 84028 | Garden City | Rich County | 632 | 13 | $47k | $613k |
| 84029 | Grantsville | Tooele County | 14,869 | 11 | $101k | $490k |
| 84031 | Hanna | Duchesne County | 149 | 0 | $71k | $425k |
| 84032 | Heber City | Wasatch County | 26,111 | 79 | $103k | $732k |
| 84033 | Henefer | Summit County | 1,109 | 15 | $94k | $464k |
| 84034 | Ibapah | Tooele County | 144 | 0 | – | – |
| 84035 | Jensen | Uintah County | 568 | 3 | – | – |
| 84036 | Kamas | Summit County | 9,241 | 28 | $121k | $753k |
| 84037 | Kaysville | Davis County | 39,415 | 811 | $134k | $637k |
| 84038 | Laketown | Rich County | 646 | 10 | $96k | $400k |
| 84039 | Lapoint | Uintah County | 713 | 8 | $61k | $293k |
| 84040 | Layton | Davis County | 28,509 | 1,176 | $128k | $543k |
| 84041 | Layton | Davis County | 55,180 | 3,696 | $90k | $443k |
| 84042 | Lindon | Utah County | 11,725 | 1,478 | $121k | $677k |
| 84043 | Lehi | Utah County | 88,390 | 2,836 | $130k | $608k |
| 84044 | Magna | Salt Lake County | 30,031 | 368 | $90k | $376k |
| 84045 | Saratoga Springs | Utah County | 45,429 | 874 | $130k | $613k |
| 84046 | Manila | Daggett County | 704 | 6 | $76k | $281k |
| 84047 | Midvale | Salt Lake County | 37,411 | 5,864 | $76k | $434k |
| 84048 | Lehi | Utah County | PO Box or unique | – | – | – |
| 84049 | Midway | Wasatch County | 6,833 | 92 | $151k | $892k |
| 84050 | Morgan | Morgan County | 12,620 | 33 | $131k | $658k |
| 84051 | Mountain Home | Duchesne County | 377 | 8 | $107k | $288k |
| 84052 | Myton | Duchesne County | 1,018 | 7 | $59k | $223k |
| 84053 | Neola | Duchesne County | 588 | 19 | $70k | $225k |
| 84054 | North Salt Lake | Davis County | 22,355 | 2,612 | $102k | $506k |
| 84055 | Oakley | Summit County | 1,584 | 13 | $126k | $677k |
| 84056 | Hill Afb | Davis County | 3,803 | 395 | $69k | – |
| 84057 | Orem | Utah County | 36,881 | 5,983 | $83k | $440k |
| 84058 | Orem | Utah County | 35,099 | 4,367 | $75k | $472k |
| 84059 | Orem | Utah County | 17,616 | 3,306 | $105k | $532k |
| 84060 | Park City | Summit County | 8,619 | 196 | $128k | $1.79M |
| 84061 | Peoa | Summit County | 422 | 8 | $178k | $850k |
| 84062 | Pleasant Grove | Utah County | 47,813 | 943 | $106k | $536k |
| 84063 | Randlett | Uintah County | 322 | 4 | – | $244k |
| 84064 | Randolph | Rich County | 846 | 5 | $89k | $260k |
| 84065 | Riverton | Salt Lake County | 50,768 | 2,459 | $128k | $632k |
| 84066 | Roosevelt | Duchesne County | 15,154 | 63 | $80k | $287k |
| 84067 | Roy | Weber County | 38,794 | 4,730 | $91k | $383k |
| 84068 | Park City | Summit County | PO Box or unique | – | – | – |
| 84069 | Rush Valley | Tooele County | 480 | 9 | $88k | $377k |
| 84070 | Sandy | Salt Lake County | 30,472 | 4,152 | $79k | $462k |
| 84071 | Stockton | Tooele County | 2,020 | 17 | $134k | $459k |
| 84072 | Tabiona | Duchesne County | 539 | 3 | $75k | $294k |
| 84073 | Talmage | Duchesne County | 208 | 8 | $59k | $253k |
| 84074 | Tooele | Tooele County | 59,706 | 341 | $108k | $423k |
| 84075 | Syracuse | Davis County | 35,545 | 1,017 | $133k | $574k |
| 84076 | Tridell | Uintah County | 460 | 59 | $124k | – |
| 84078 | Vernal | Uintah County | 30,975 | 23 | $75k | $309k |
| 84079 | Vernal | Uintah County | PO Box or unique | – | – | – |
| 84080 | Vernon | Tooele County | 438 | 2 | $81k | $331k |
| 84081 | West Jordan | Salt Lake County | 52,314 | 3,381 | $120k | $546k |
| 84082 | Wallsburg | Wasatch County | 744 | 5 | $127k | $579k |
| 84083 | Wendover | Tooele County | 1,261 | 2 | $44k | $165k |
| 84084 | West Jordan | Salt Lake County | 31,542 | 4,750 | $96k | $459k |
| 84085 | Whiterocks | Uintah County | 247 | 3 | $58k | – |
| 84086 | Woodruff | Rich County | 507 | 4 | $81k | $242k |
| 84087 | Woods Cross | Davis County | 16,808 | 1,217 | $133k | $532k |
| 84088 | West Jordan | Salt Lake County | 39,228 | 4,187 | $105k | $483k |
| 84089 | Clearfield | Davis County | PO Box or unique | – | – | – |
| 84090 | Sandy | Salt Lake County | PO Box or unique | – | – | – |
| 84091 | Sandy | Salt Lake County | PO Box or unique | – | – | – |
| 84092 | Sandy | Salt Lake County | 27,651 | 509 | $152k | $765k |
| 84093 | Sandy | Salt Lake County | 23,871 | 4,332 | $139k | $699k |
| 84094 | Sandy | Salt Lake County | 27,507 | 5,411 | $107k | $529k |
| 84095 | South Jordan | Salt Lake County | 38,532 | 3,339 | $127k | $718k |
| 84096 | Herriman | Salt Lake County | 74,603 | 1,050 | $123k | $587k |
| 84097 | Orem | Utah County | 22,217 | 3,684 | $94k | $556k |
| 84098 | Park City | Summit County | 20,357 | 283 | $174k | $1.21M |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.