ZIP code 85618
Where is ZIP code 85618?
Mammoth, Arizona
Pinal County · PO Box only ZIP code
ZIP code 85618 belongs to Mammoth, Arizona in Pinal County. 85618 is a PO Box only ZIP code: it is used for post office boxes at the Mammoth post office, not for street addresses. It is in the Mountain Time (no daylight saving) zone and uses area codes 520 and 928. About 1,550 people live in the 85618 area, where the median household income is $51,953. The closest ZIP codes are 85631 (San Manuel, 7.6 mi south), 85623 (Oracle, 12.3 mi southwest) and 85192 (Winkelman, 20.9 mi north).
| ZIP code | 85618 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Mammoth |
| State | Arizona (AZ) |
| County | Pinal County |
| Time zone | Mountain Time (no daylight saving) · now |
| Area codes | 520, 928 |
| Coordinates | 32.7239, -110.644 map |
| 3-digit prefix | 856 |
Population and income in 85618
| Population | 1,550 · lower than 77% of Arizona ZIP codes |
|---|---|
| People per square mile | 6 · lower than 78% of Arizona ZIP codes |
| Median age | 57.3 years · higher than 80% of Arizona ZIP codes |
| Men / women | 53% / 47% |
| Median household income | $51,953 · lower than 75% of Arizona ZIP codes |
| Income per person | $21,199 |
| Below the poverty line | 26% |
| Bachelor’s degree or higher | 6.8% of adults 25+ |
| Median home value | $102,500 · lower than 85% of Arizona ZIP codes |
| Median rent | $1,136 a month |
| Housing units | 685 |
| Households | 555 (2.79 people on average) |
| Owners / renters | 88% / 12% |
| Land area | 259.87 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 85618. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 85618
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 85631 | San Manuel, AZ | 7.6 mi S | Standard |
| 85623 | Oracle, AZ | 12.3 mi SW | Standard |
| 85192 | Winkelman, AZ | 20.9 mi N | Standard |
| 85135 | Hayden, AZ | 21.1 mi NW | PO Box only |
| 85738 | Catalina, AZ | 22.1 mi SW | PO Box only |
| 85619 | Mount Lemmon, AZ | 22.9 mi S | PO Box only |
| 85739 | Tucson, AZ | 23 mi SW | Standard |
| 85737 | Tucson, AZ | 27.7 mi SW | Standard |
| 85137 | Kearny, AZ | 27.9 mi NW | Standard |
| 85755 | Tucson, AZ | 28.4 mi SW | Standard |
| 85750 | Tucson, AZ | 31.6 mi S | Standard |
| 85749 | Tucson, AZ | 31.9 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 85618 or measure the distance to another ZIP code.
How to address mail to 85618
PO BOX 123
MAMMOTH AZ 85618
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (85618-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 85618?
- 85618 is a Mammoth, Arizona ZIP code.
- What county is 85618 in?
- ZIP code 85618 is in Pinal County, Arizona.
- What time zone is ZIP code 85618 in?
- 85618 is in the Mountain Time (no daylight saving) zone (America/Phoenix).
- What area code is 85618?
- Phone numbers in ZIP code 85618 use area codes 520 and 928.
- What is the population of ZIP code 85618?
- About 1,550 people live in ZIP code 85618, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 85618?
- The median household income in 85618 is $51,953 a year, lower than 75% of Arizona ZIP codes.
- Can I use 85618 for a street address?
- No. 85618 is only for PO Boxes. Street addresses in Mammoth use another ZIP code.
- What ZIP codes are near 85618?
- The nearest ZIP codes to 85618 are 85631 (San Manuel, 7.6 miles), 85623 (Oracle, 12.3 miles), 85192 (Winkelman, 20.9 miles) and 85135 (Hayden, 21.1 miles).