ZIP Code 78522 in Brownsville, TX

Data Last Updated: February 1, 2026
City:Brownsville, Texas
County:Cameron County
Timezone:Central (GMT -06:00)
Local Time:9:49:38 AM
Population:No Population Data
Area Code:956
Classification:PO Box
Coordinates:25.9016, -97.4975
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https://www.zip-codes.com/zip-code/78522/zip-code-78522.asp

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78522 Brownsville, TX - Downtown Post Office

ZIP Code 78522, Brownsville

Small Town Unique ZIP No Census Data
LocationCameron County, TX
Area0 sq mi Single Point
Delivery Points611 (45 businesses)
PO Boxes566
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 78520
Key Facts
  • This ZIP covers a post office facility in Downtown Brownsville rather than a residential area
  • The post office maintains 566 PO Boxes serving residents and businesses in the broader Brownsville community
  • With zero residential population in the ZCTA, this ZIP exists solely for mail services
  • The facility sits within ZIP 78520, which provides street delivery to the surrounding area
  • Elizabeth Street addresses with UNIT numbers are PO Box Street Addressing, allowing package delivery to box holders

Facility Overview

ZIP code 78522 serves Downtown Brownsville, Texas, at a post office facility rather than a residential neighborhood. The ZIP has a MultiPoint geometry, meaning it doesn't cover a geographic area but marks the location of the post office itself. This facility sits within the larger 78520 ZIP code, which handles street delivery for the surrounding community.

PO Box Services

The post office maintains 566 PO Boxes for residents and businesses in the Brownsville area. There isn't a residential population within this specific ZIP's boundary since it covers only the postal facility. Street delivery exists through a single city carrier route, though the Elizabeth Street addresses using UNIT designators are actually PO Box Street Addressing (PBSA), which lets customers receive packages using a street address format.

Border Community Context

Brownsville sits along the U.S.-Mexico border in Cameron County, with its sister city Matamoros just across the Rio Grande. The 78522 post office is one of several serving the Brownsville metro area. With 7 local businesses employing 61 workers, this ZIP functions primarily as a mail access point rather than a distinct community. Residents who want mail service through this ZIP use a PO Box, while street delivery comes through neighboring ZIP codes.

Street Name Patterns

Pbsa Addressing

The single street address is the post office location on Elizabeth Street, used for PO Box Street Addressing.

Nearby Areas

Downtown Brownsville

Business & Employment Statistics


ZIP Code 78522 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 139 people with an annual payroll of $6,504,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:6,988Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:6Source: CBP
1st Quarter Payroll:$1,469,000Source: CBP
Annual Payroll:$6,504,000Source: CBP
# of Employees:139Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 78522 is located in Cameron County, Texas, within the Brownsville-Harlingen, TX Metropolitan Statistical Area (CBSA 15180) and Texas's 34th Congressional District. This Metro area has a population of 406,220 people, about 0.00% of whom live in ZIP Code 78522. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Brownsville-Harlingen, TXSource: Census
CBSA Number:15180Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:406,220Source: Census
MSA:Brownsville-Harlingen-San Benito, TX MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:34Source: USPS
Congressional Land Area:8190.32 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4810768Source: Census
Place Name:Brownsville city; TexasSource: Census

Adjacent & Nearby ZIP Codes


78523 | | 78521

Schools in ZIP Code 78522


We could not locate which school district 78522 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.

Putegnat El 730 E 8th St
Brownsville, TX 78520
District: Brownsville Independent School DistrictNearby
Brownsville Early College H S 343 Ringgold Rd
Brownsville, TX 78520
District: Brownsville Independent School DistrictNearby
Adult Ed 708 Palm Blvd
Brownsville, TX 78520
District: Brownsville Independent School DistrictNearby
Brownsville Learning Academy 1800 Cummings Pl
Brownsville, TX 78521
District: Brownsville Independent School DistrictNearby
Sharp El 1439 Palm Blvd
Brownsville, TX 78520
District: Brownsville Independent School DistrictNearby
Guadalupe Regional Middle School 1214 Lincoln St
Brownsville, TX 78521
District: Private SchoolNearby
Marias Montessori School Inc. 128 W Jefferson St
Brownsville, TX 78520
District: Private SchoolNearby
St Joseph Academy 101 Saint Joseph Dr
Brownsville, TX 78520
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 78522


Texas Southmost College 80 Fort Brown
Brownsville, TX 78520
Type: Post Secondary
Mei Barber School 205 East Elizabeth Street
Brownsville, TX 78520-5472
Type: Post Secondary
Southern Careers Institute-Brownsville 935 N. Expressway
Brownsville, TX 78520
Type: Post Secondary
Salon & Spa Institute 2695 North Coria Street
Brownsville, TX 78520-8809
Type: Post Secondary
South Texas Vocational Technical Institute-Brownsville 1900 North Expressway, Suite O
Brownsville, TX 78521
Type: Post Secondary
Southern Careers Institute-Harlingen 1122 Morgan Boulevard
Harlingen, TX 78550
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