ZIP Code 78553 in Harlingen, TX

Data Last Updated: February 1, 2026
City:Harlingen, Texas
County:Cameron County
Timezone:Central (GMT -06:00)
Local Time:9:49:51 AM
Population:No Population Data
Area Code:956
Classification:PO Box
Coordinates:26.1908, -97.6964
Quick Link:
https://www.zip-codes.com/zip-code/78553/zip-code-78553.asp

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78553 Harlingen, TX - Commercial Postal Facility

ZIP Code 78553, Harlingen

Small Town Unique ZIP No Census Data
LocationCameron County, TX
Area0 sq mi Single Point
Delivery Points1,012 (220 businesses)
PO Boxes792
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 78550
Key Facts
  • This is a point-only ZIP with no defined territory, enclosed entirely within ZIP 78550.
  • The post office maintains 792 PO Boxes and serves 220 businesses along the New Combes Highway commercial corridor.
  • Zero population: no one lives within this ZIP's boundaries, which is why Census data doesn't exist for it.
  • All 178 street delivery records are on a single street (New Combes Highway) with UNIT designators, suggesting a commercial complex.
  • City carrier routes handle delivery here, fitting Harlingen's urban character.
  • This isn't a PO Box Only Zone. Street delivery is available, but only for the commercial addresses along the highway.

Not a Neighborhood

ZIP code 78553 isn't a community or residential area. It's a point-only postal zone within the greater Harlingen area, fully enclosed by ZIP code 78550. The post office here maintains 792 PO Boxes and serves 220 businesses, with zero residential population.

The New Combes Highway Corridor

Every delivery point in this ZIP sits along New Combes Highway. All 178 street records include UNIT designators, indicating a commercial complex (likely a business park or shopping center) rather than residential housing. City carrier routes handle deliveries here.

Why This ZIP Exists

Harlingen's growth required additional postal capacity. ZIP 78550 serves the city's residential areas, while 78553 handles commercial PO Box and business delivery services. No Census data exists because no one lives within this ZIP's boundaries.

Mailing to Harlingen

Address TypeZIP Code
PO Boxes at this facility78553
Businesses on New Combes Hwy78553
Residential addresses78550

Street Name Patterns

Commercial Corridor Unit Designators

A single commercial street with UNIT designators, likely a business park or shopping center.

Business & Employment Statistics


ZIP Code 78553 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 49 people with an annual payroll of $1,654,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:5,852Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:7Source: CBP
1st Quarter Payroll:$392,000Source: CBP
Annual Payroll:$1,654,000Source: CBP
# of Employees:49Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 78553 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 78553. 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:4832372Source: Census
Place Name:Harlingen city; TexasSource: Census

Adjacent & Nearby ZIP Codes


78557 | | 78552

Schools in ZIP Code 78553


We could not locate which school district 78553 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.

New Pathways Center 208 S F St
Harlingen, TX 78550
District: Harlingen Consolidated Independent School DistrictNearby
Travis El 600 E Polk Ave
Harlingen, TX 78550
District: Harlingen Consolidated Independent School DistrictNearby
Bowie El 309 W Lincoln Ave
Harlingen, TX 78550
District: Harlingen Consolidated Independent School DistrictNearby
Jefferson El 601 S J St
Harlingen, TX 78550
District: Harlingen Consolidated Independent School DistrictNearby
Coakley Middle 1402 S 6th St
Harlingen, TX 78550
District: Harlingen Consolidated Independent School DistrictNearby
St Anthony Catholic School 1015 E Harrison Ave
Harlingen, TX 78550
District: Private SchoolNearby
St Albans Episcopal Day School 1417 E Austin Ave
Harlingen, TX 78550
District: Private SchoolNearby
Calvary Christian School 1815 N 7th St
Harlingen, TX 78550
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 78553


Ucas University Of Cosmetology Arts & Sciences-Harlingen 801 N. 13th Street Suite 2
Harlingen, TX 78550-5034
Type: Post Secondary
Southern Careers Institute-Harlingen 1122 Morgan Boulevard
Harlingen, TX 78550
Type: Post Secondary
Advanced Barber College And Hair Design 2818 S International
Weslaco, TX 78596
Type: Post Secondary
Valley Grande Institute For Academic Studies 345 S. Texas Blvd.
Weslaco, TX 78596
Type: Post Secondary
South Texas Vocational Technical Institute-Weslaco 1600 North Westgate Drive, Suite 400
Weslaco, TX 78599
Type: Post Secondary
South Texas Vocational Technical Institute-Brownsville 1900 North Expressway, Suite O
Brownsville, TX 78521
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