ZIP Code 79120 in Amarillo, TX

Data Last Updated: January 1, 2026
City:Amarillo, Texas
County:Potter County
Timezone:Central (GMT -06:00)
Local Time:9:30:26 PM
Population:No Population Data
Area Code:806
Classification:PO Box
Coordinates:35.2218, -101.8309
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https://www.zip-codes.com/zip-code/79120/zip-code-79120.asp

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79120 - Amarillo, TX

ZIP Code 79120, Amarillo

Small Town Unique ZIP No Census Data
LocationPotter County, TX
Area0 sq mi Single Point
Delivery Points929 (334 businesses)
PO Boxes595
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 79103
Key Facts
  • This ZIP code contains only PO Boxes; residents in the area receive street delivery through ZIP 79103
  • The facility maintains 595 PO Boxes, with business accounts making up 334 of the total box count
  • Ross Street is the only street address in the ZIP+4 database, housing the main postal facility
  • The 34 "buildings" listed are actually internal USPS departments within the processing facility
  • Two city carrier routes operate from this location, serving the broader Amarillo community
  • The facility serves as Amarillo's Processing and Distribution Facility (P&DF), handling mail sorting and distribution for the region

PO Box Operations

ZIP code 79120 handles PO Box service for a segment of Amarillo, Texas. The facility maintains 595 boxes serving both residential customers and 334 business accounts. Street delivery in this area comes through neighboring ZIP 79103, following the common pattern where PO Box operations and carrier delivery use separate ZIP codes within the same city.

Postal Facility

The post office on Ross Street operates as a processing hub for Amarillo's mail network. The facility houses multiple USPS operational units including carrier units, distribution operations, and the Amarillo P&DF (Processing and Distribution Facility). The building names in the ZIP+4 data catalog internal postal operations rather than customer-facing addresses. Two city carrier routes originate from this location, handling residential and business delivery throughout the surrounding area.

Street Name Patterns

Single Facility

The single street address reflects the consolidated nature of this postal facility, which combines PO Box services with mail processing operations for Amarillo.

Nearby Areas

Downtown Amarillo

Business & Employment Statistics


ZIP Code 79120 supports both business and residential activity. According to the Business Census (2024), there are 34 business establishments, employing about 4,628 people with an annual payroll of $499,150,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:7,120Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:34Source: CBP
1st Quarter Payroll:$127,684,000Source: CBP
Annual Payroll:$499,150,000Source: CBP
# of Employees:4,628Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 79120 is located in Potter County, Texas, within the Amarillo, TX Metropolitan Statistical Area (CBSA 11100) and Texas's 13rd Congressional District. This Metro area has a population of 270,207 people, about 0.00% of whom live in ZIP Code 79120. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Amarillo, TXSource: Census
CBSA Number:11100Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:270,207Source: Census
MSA:Amarillo, TX MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:13Source: USPS
Congressional Land Area:38349.24 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4803000Source: Census
Place Name:Amarillo city; TexasSource: Census

Adjacent & Nearby ZIP Codes


79121 | | 79119

Schools in ZIP Code 79120


We could not locate which school district 79120 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.

Johnny N Allen-6th Grade Campus 700 N Lincoln
Amarillo, TX 79107
District: Amarillo Independent School DistrictNearby
Mann Middle 610 N Buchanan
Amarillo, TX 79107
District: Amarillo Independent School DistrictNearby
Park Hills El 119 N E 15th
Amarillo, TX 79107
District: Amarillo Independent School DistrictNearby
Palo Duro H S 1400 N Grant
Amarillo, TX 79107
District: Amarillo Independent School DistrictNearby
Emerson El 600 N Cleveland
Amarillo, TX 79107
District: Amarillo Independent School DistrictNearby
St Marys Cathedral School 1200 S Washington St
Amarillo, TX 79102
District: Private SchoolNearby
St Andrew's Episcopal School 1515 S Georgia St
Amarillo, TX 79102
District: Private SchoolNearby
San Jacinto Christian Academy 501 S Carolina St
Amarillo, TX 79106
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 79120


Denver Seminary - West Texas 1100 S. Harrison
Amarillo, TX 79110
Type: Post Secondary
Amarillo College 2011 S. Washington
Amarillo, TX 79109
Type: Post Secondary
Wade Gordon Hairdressing Academy 2520 Paramount Blvd
Amarillo, TX 79109
Type: Post Secondary
Wade Gordon Hairdressing Academy 2520 Paramount Blvd
Amarillo, TX 79109
Type: Post Secondary
Exposito School Of Hair Design 3710 Mockingbird Ln.
Amarillo, TX 79109-3208
Type: Post Secondary
Vista College Amarillo 3440 Bell Street, Suite 100
Amarillo, TX 79108
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 January 1, 2026.

  1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], 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: 1/1/2026], https://nces.ed.gov