ZIP Code 85731 in Tucson, AZ

Data Last Updated: February 1, 2026
City:Tucson, Arizona
County:Pima County
Timezone:Mountain (GMT -07:00)
Local Time:10:20:26 AM
Population:No Population Data
Area Code:520
Classification:PO Box
Coordinates:32.2217, -110.9259
Quick Link:
https://www.zip-codes.com/zip-code/85731/zip-code-85731.asp

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85731 - Tucson, AZ

ZIP Code 85731, Tucson

Small Town Unique ZIP No Census Data
LocationPima County, AZ
Area0 sq mi Single Point
Delivery Points1,019 (385 businesses)
PO Boxes634
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 85710
Key Facts
  • This Tucson postal facility maintains 634 PO Boxes, serving both individuals and the area's 385 businesses
  • ZIP 85731 is enclosed within the larger 85710 ZIP code, functioning as a specialized postal service center
  • Street delivery exists but covers only S Pantano Rd with 90 addresses
  • The facility handles 124 ZIP+4 codes, with 90 for street delivery and 34 for PO Boxes
  • This isn't a true PO Box-only zone—residents have street delivery options through neighboring ZIPs

Street Delivery

The street delivery component covers S Pantano Rd, where 90 addresses receive carrier service. This single-street route includes units like apartments or suites, suggesting some multi-tenant properties along the corridor. The setup is typical for urban postal facilities that concentrate PO Box services while maintaining a small geographic footprint for direct delivery.

Street Name Patterns

Single Street Urban Corridor

The single street delivery route on S Pantano Rd represents a minimal geographic footprint, with the facility primarily focused on PO Box services for the broader east Tucson area.

Nearby Areas

Ward 2 Ward 4 Dietz Vista Del Sahuaro Broadway Northeast

Business & Employment Statistics


ZIP Code 85731 supports both business and residential activity. According to the Business Census (2024), there are 8 business establishments, employing about 743 people with an annual payroll of $27,938,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:6,724Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:8Source: CBP
1st Quarter Payroll:$1,182,000Source: CBP
Annual Payroll:$27,938,000Source: CBP
# of Employees:743Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 85731 is located in Pima County, Arizona, within the Tucson, AZ Metropolitan Statistical Area (CBSA 46060) and Arizona's 6th Congressional District. This Metro area has a population of 980,263 people, about 0.00% of whom live in ZIP Code 85731. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Tucson, AZSource: Census
CBSA Number:46060Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:980,263Source: Census
MSA:Tucson, AZ MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:06Source: USPS
Congressional Land Area:625.07 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0477000Source: Census
Place Name:Tucson city; ArizonaSource: Census

Adjacent & Nearby ZIP Codes


85732 | | 85730

Schools in ZIP Code 85731


We could not locate which school district 85731 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Desert Sage High School 3434 E Broadway Blvd
Tucson, AZ 85716
District: UnknownNearby
Pcjted - Howenstine High School 555 S Tucson Blvd
Tucson, AZ 85716
District: UnknownNearby
Robison Elementary School 2745 E 18th St
Tucson, AZ 85716
District: Tucson Unified DistrictNearby
Pcjted - Tapp High School 102 N Plumer Ave
Tucson, AZ 85719
District: UnknownNearby
Teenage Parent Program - Tapp 102 N Plumer Ave
Tucson, AZ 85719
District: Tucson Unified DistrictNearby
St Ambrose School 300 S Tucson Blvd
Tucson, AZ 85716
District: Private SchoolNearby
Second Street Childrens School 2430 E 2nd St
Tucson, AZ 85719
District: Private SchoolNearby
Faith Lutheran School 3925 E 5th St
Tucson, AZ 85711
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 85731


Empire Beauty School-Tucson 3030 E Speedway Blvd
Tucson, AZ 85716
Type: Post Secondary
Pure Aesthetics Natural Skincare School 2850 East Speedway Boulevard
Tucson, AZ 85716-3823
Type: Post Secondary
University Of Arizona 1401 E University Blvd
Tucson, AZ 85721-0066
Type: Post Secondary
Pima Community College 4905c East Broadway Blvd.
Tucson, AZ 85709-1275
Type: Post Secondary
Aveda Institute-Tucson 145 S 6th Avenue
Tucson, AZ 85701
Type: Post Secondary
Arizona College Of Nursing-Tucson 5285 East Williams Circle, Suite 1000
Tucson, AZ 85711
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov