ZIP code 85646
Where is ZIP code 85646?
Tubac, Arizona
Santa Cruz County · PO Box only ZIP code
ZIP code 85646 belongs to Tubac, Arizona in Santa Cruz County. 85646 is a PO Box only ZIP code: it is used for post office boxes at the Tubac post office, not for street addresses. It is in the Mountain Time (no daylight saving) zone and uses area code 520. About 1,345 people live in the 85646 area, where the median household income is $73,438. The closest ZIP codes are 85640 (Tumacacori, 3 mi south), 85645 (Amado, 5.2 mi northwest) and 85648 (Rio Rico, 7.4 mi south).
| ZIP code | 85646 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Tubac |
| State | Arizona (AZ) |
| County | Santa Cruz County |
| Time zone | Mountain Time (no daylight saving) · now |
| Area code | 520 |
| Coordinates | 31.6126, -111.0459 map |
| 3-digit prefix | 856 |
Population and income in 85646
| Population | 1,345 · lower than 79% of Arizona ZIP codes |
|---|---|
| People per square mile | 19 · lower than 64% of Arizona ZIP codes |
| Median age | 71.9 years · higher than 98% of Arizona ZIP codes |
| Men / women | 45% / 55% |
| Median household income | $73,438 · higher than 59% of Arizona ZIP codes |
| Income per person | $47,904 |
| Below the poverty line | 13% |
| Bachelor’s degree or higher | 48% of adults 25+ |
| Median home value | $491,300 · higher than 82% of Arizona ZIP codes |
| Median rent | $2,295 a month |
| Housing units | 1,139 |
| Households | 746 (1.8 people on average) |
| Owners / renters | 91% / 9.0% |
| Land area | 69.13 sq mi (plus 0.03 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 85646. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 85646
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 85640 | Tumacacori, AZ | 3 mi S | Standard |
| 85645 | Amado, AZ | 5.2 mi NW | Standard |
| 85648 | Rio Rico, AZ | 7.4 mi S | Standard |
| 85628 | Nogales, AZ | 9.8 mi SE | PO Box only |
| 85622 | Green Valley, AZ | 14.9 mi N | Standard |
| 85601 | Arivaca, AZ | 16 mi W | PO Box only |
| 85614 | Green Valley, AZ | 16.9 mi N | Standard |
| 85621 | Nogales, AZ | 17.4 mi S | Standard |
| 85624 | Patagonia, AZ | 21.2 mi E | Standard |
| 85629 | Sahuarita, AZ | 23.1 mi N | Standard |
| 85637 | Sonoita, AZ | 25.5 mi E | Standard |
| 85736 | Tucson, AZ | 27.6 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 85646 or measure the distance to another ZIP code.
How to address mail to 85646
PO BOX 123
TUBAC AZ 85646
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (85646-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 85646?
- 85646 is a Tubac, Arizona ZIP code.
- What county is 85646 in?
- ZIP code 85646 is in Santa Cruz County, Arizona.
- What time zone is ZIP code 85646 in?
- 85646 is in the Mountain Time (no daylight saving) zone (America/Phoenix).
- What area code is 85646?
- Phone numbers in ZIP code 85646 use area code 520.
- What is the population of ZIP code 85646?
- About 1,345 people live in ZIP code 85646, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 85646?
- The median household income in 85646 is $73,438 a year, higher than 59% of Arizona ZIP codes.
- Can I use 85646 for a street address?
- No. 85646 is only for PO Boxes. Street addresses in Tubac use another ZIP code.
- What ZIP codes are near 85646?
- The nearest ZIP codes to 85646 are 85640 (Tumacacori, 3 miles), 85645 (Amado, 5.2 miles), 85648 (Rio Rico, 7.4 miles) and 85628 (Nogales, 9.8 miles).