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Incorporated Town Hidalgo County →

O'Brien, TX ZIP Codes & Directory

O'Brien is an incorporated town in Hidalgo County, Texas. Browse all active 5-digit USPS postal codes serving O'Brien and surrounding Hidalgo County delivery districts.

Jurisdiction town
Parent County Hidalgo County
Population 2,821
Postal Codes 1 Indexed ZIP

All ZIP Codes in O'Brien, TX

1 Codes
78215 4,100 Residents

Museum Reach

Covering Museum Reach, Lower Broadway, San Antonio Museum of Art.

Med. Inc: $74,200 Explore 78215 →

About O'Brien Mail Delivery & Postal Administration

ZIP codes in O'Brien are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Hidalgo County and surrounding Texas metropolitan districts.

← Explore All Hidalgo County Municipalities All 1,224 Texas Municipalities All 254 Counties

Frequently Asked Questions About O'Brien, TX ZIP Codes

How many ZIP codes serve O'Brien, Texas? ▾

O'Brien, Texas is served by 1 active USPS postal delivery codes: 78215.

What county is O'Brien located in? ▾

O'Brien is an incorporated town located within Hidalgo County, Texas.

What is the population and demographic size of O'Brien? ▾

According to U.S. Census Bureau data, O'Brien has an estimated population of 2,821 residents and is situated within the Hidalgo Area.

How does mail sorting and delivery work in O'Brien? ▾

Mail delivery in O'Brien is operated by the United States Postal Service through regional Sectional Center Facility (SCF) distribution plants servicing Hidalgo County and surrounding Texas counties.