ZIP code 84640
Where is ZIP code 84640?
Lynndyl, Utah
Millard County · PO Box only ZIP code
ZIP code 84640 belongs to Lynndyl, Utah in Millard County. 84640 is a PO Box only ZIP code: it is used for post office boxes at the Lynndyl post office, not for street addresses. It is in the Mountain Time zone and uses area code 435. About 124 people live in the 84640 area, where the median household income is $54,688. The closest ZIP codes are 84638 (Leamington, 6 mi northeast), 84649 (Oak City, 9.2 mi southeast) and 84624 (Delta, 10.9 mi southwest).
| ZIP code | 84640 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Lynndyl |
| State | Utah (UT) |
| County | Millard County |
| Time zone | Mountain Time · now |
| Area code | 435 |
| Coordinates | 39.4943, -112.3979 map |
| 3-digit prefix | 846 |
Population and income in 84640
| Population | 124 · lower than 96% of Utah ZIP codes |
|---|---|
| People per square mile | 2 · lower than 91% of Utah ZIP codes |
| Median age | 30.2 years · lower than 78% of Utah ZIP codes |
| Men / women | 55% / 45% |
| Median household income | $54,688 · lower than 89% of Utah ZIP codes |
| Income per person | $18,659 |
| Below the poverty line | 7.3% |
| Bachelor’s degree or higher | 18% of adults 25+ |
| Median home value | $275,000 · lower than 82% of Utah ZIP codes |
| Housing units | 56 |
| Households | 43 (2.88 people on average) |
| Owners / renters | 95% / 4.7% |
| Land area | 73.54 sq mi (plus 3.4 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 84640. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 84640
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 84638 | Leamington, UT | 6 mi NE | PO Box only |
| 84649 | Oak City, UT | 9.2 mi SE | PO Box only |
| 84624 | Delta, UT | 10.9 mi SW | Standard |
| 84635 | Hinckley, UT | 18.5 mi SW | Standard |
| 84656 | Scipio, UT | 23 mi SE | PO Box only |
| 84639 | Levan, UT | 24.3 mi E | PO Box only |
| 84636 | Holden, UT | 28.2 mi S | PO Box only |
| 84648 | Nephi, UT | 32.9 mi NE | Standard |
| 84630 | Fayette, UT | 34.5 mi SE | Standard |
| 84628 | Eureka, UT | 35.1 mi NE | PO Box only |
| 84631 | Fillmore, UT | 35.7 mi S | Standard |
| 84645 | Mona, UT | 37.7 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 84640 or measure the distance to another ZIP code.
How to address mail to 84640
PO BOX 123
LYNNDYL UT 84640
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (84640-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 84640?
- 84640 is a Lynndyl, Utah ZIP code.
- What county is 84640 in?
- ZIP code 84640 is in Millard County, Utah.
- What time zone is ZIP code 84640 in?
- 84640 is in the Mountain Time zone (America/Denver).
- What area code is 84640?
- Phone numbers in ZIP code 84640 use area code 435.
- What is the population of ZIP code 84640?
- About 124 people live in ZIP code 84640, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 84640?
- The median household income in 84640 is $54,688 a year, lower than 89% of Utah ZIP codes.
- Can I use 84640 for a street address?
- No. 84640 is only for PO Boxes. Street addresses in Lynndyl use another ZIP code.
- What ZIP codes are near 84640?
- The nearest ZIP codes to 84640 are 84638 (Leamington, 6 miles), 84649 (Oak City, 9.2 miles), 84624 (Delta, 10.9 miles) and 84635 (Hinckley, 18.5 miles).