ZIP code 81643
Where is ZIP code 81643?
Mesa, Colorado
Mesa County · PO Box only ZIP code
ZIP code 81643 belongs to Mesa, Colorado in Mesa County. 81643 is a PO Box only ZIP code: it is used for post office boxes at the Mesa post office, not for street addresses. It is in the Mountain Time zone and uses area code 970. About 1,133 people live in the 81643 area, where the median household income is $106,813. The closest ZIP codes are 81646 (Molina, 3 mi northeast), 81624 (Collbran, 11.2 mi northeast) and 81630 (De Beque, 12.4 mi northwest).
| ZIP code | 81643 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Mesa |
| State | Colorado (CO) |
| County | Mesa County |
| Time zone | Mountain Time · now |
| Area code | 970 |
| Coordinates | 39.1612, -108.1044 map |
| 3-digit prefix | 816 |
Population and income in 81643
| Population | 1,133 · lower than 64% of Colorado ZIP codes |
|---|---|
| People per square mile | 7 · lower than 66% of Colorado ZIP codes |
| Median age | 37.9 years · lower than 68% of Colorado ZIP codes |
| Men / women | 53% / 47% |
| Median household income | $106,813 · higher than 74% of Colorado ZIP codes |
| Income per person | $47,555 |
| Below the poverty line | 3.4% |
| Bachelor’s degree or higher | 33% of adults 25+ |
| Median home value | $605,300 · higher than 72% of Colorado ZIP codes |
| Housing units | 661 |
| Households | 443 (2.56 people on average) |
| Owners / renters | 93% / 7.4% |
| Land area | 154.34 sq mi (plus 0.35 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 81643. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 81643
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 81646 | Molina, CO | 3 mi NE | PO Box only |
| 81624 | Collbran, CO | 11.2 mi NE | Standard |
| 81630 | De Beque, CO | 12.4 mi NW | Standard |
| 81526 | Palisade, CO | 14.7 mi W | Standard |
| 81636 | Battlement Mesa, CO | 19.1 mi N | PO Box only |
| 81520 | Clifton, CO | 19.3 mi W | Standard |
| 81413 | Cedaredge, CO | 19.7 mi SE | Standard |
| 81503 | Grand Junction, CO | 19.9 mi SW | Standard |
| 81635 | Parachute, CO | 20.3 mi N | Standard |
| 81527 | Whitewater, CO | 20.4 mi SW | Standard |
| 81504 | Grand Junction, CO | 21.5 mi W | Standard |
| 81502 | Grand Junction, CO | 22.5 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 81643 or measure the distance to another ZIP code.
How to address mail to 81643
PO BOX 123
MESA CO 81643
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (81643-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 81643?
- 81643 is a Mesa, Colorado ZIP code.
- What county is 81643 in?
- ZIP code 81643 is in Mesa County, Colorado.
- What time zone is ZIP code 81643 in?
- 81643 is in the Mountain Time zone (America/Denver).
- What area code is 81643?
- Phone numbers in ZIP code 81643 use area code 970.
- What is the population of ZIP code 81643?
- About 1,133 people live in ZIP code 81643, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 81643?
- The median household income in 81643 is $106,813 a year, higher than 74% of Colorado ZIP codes.
- Can I use 81643 for a street address?
- No. 81643 is only for PO Boxes. Street addresses in Mesa use another ZIP code.
- What ZIP codes are near 81643?
- The nearest ZIP codes to 81643 are 81646 (Molina, 3 miles), 81624 (Collbran, 11.2 miles), 81630 (De Beque, 12.4 miles) and 81526 (Palisade, 14.7 miles).