| City: | Galveston, Texas |
| County: | Galveston County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:44:02 AM |
| Population: | No Population Data |
| Area Code: | 409 |
| Classification: | PO Box |
| Coordinates: | 29.3298, -94.7975 |
| Quick Link: |
Galveston's downtown postal operations work alongside street delivery from the neighboring ZIP code 77550, which handles residential carrier routes throughout the city. The separation between PO Box service (77553) and street delivery (77550) is common in cities where the main post office maintains a distinct ZIP for box holders. Businesses and residents who prefer or require PO Box service use 77553, while those receiving street delivery use 77550 addresses.
The single street entry for 25th Street represents the post office's physical location in downtown Galveston's numbered street grid. This isn't a traditional street delivery route but rather the administrative address for PO Box holders and business mail recipients using this facility.
ZIP Code 77553 supports both business and residential activity. According to the Business Census (2024), there are 25 business establishments, employing about 291 people with an annual payroll of $18,264,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 591Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 25Source: CBP |
| 1st Quarter Payroll: | $4,573,000Source: CBP |
| Annual Payroll: | $18,264,000Source: CBP |
| # of Employees: | 291Source: CBP |
ZIP Code 77553 is located in Galveston County, Texas, within the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area (CBSA 26420) and Texas's 14th Congressional District. This Metro area has a population of 5,946,800 people, about 0.00% of whom live in ZIP Code 77553. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Houston-Pasadena-The Woodlands, TXSource: Census |
| CBSA Number: | 26420Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 5,946,800Source: Census |
| MSA: | Houston-Galveston-Brazoria, TX CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 14Source: USPS |
| Congressional Land Area: | 2441.39 sq miSource: Census |
| PMSA: | Galveston-Texas City, TX PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4828068Source: Census |
| Place Name: | Galveston city; TexasSource: Census |
ZIP Code 77553 is in the Galveston Independent School District, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
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.