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Nestled along the southern border of Texas, Laredo is a vibrant city with a rich cultural heritage and a complex postal geography. The city spans multiple zip codes that tell a unique story of urban development, demographic diversity, and geographic expansion. Understanding the Laredo Texas Zip Code landscape provides insights into this dynamic border community.
Exploring Laredo’s Postal Regions

Laredo is served by seven distinct zip codes, each representing different neighborhoods and areas within Webb County. These zip codes are not just numerical identifiers but windows into the city’s social and economic fabric. Let’s break down the key zip codes that define this fascinating border city:
- 78040: A standard zip code covering approximately 13.78% of Laredo's population, with around 36,688 residents
- 78041: Another standard zip code representing 18.22% of the city, home to 48,491 people
- 78043: Includes the Rio Bravo area, accounting for 16.33% of the population with 43,473 residents
- 78045: Covers 24.55% of the population, with 65,354 residents
- 78046: The largest zip code, representing 27.03% of Laredo's population with 71,956 residents, also covering El Cenizo and Rio Bravo areas
Demographic Insights Through Zip Codes

Each zip code in Laredo tells a story of demographic complexity. The city boasts a predominantly Hispanic population of 95.2%, with a total population of 266,762 as of the 2020 Census. The average household size is 3.3 people, reflecting the tight-knit community nature of this border city.
Geographical and Economic Significance

Laredo’s zip codes are more than just postal divisions; they represent a critical economic hub. The city is a major international trade center, with four international bridges and two railway bridges connecting the United States and Mexico. Its strategic location on Interstate 35 makes it a crucial transportation and logistics nexus.
Transportation and Communication

All Laredo zip codes fall under the 956 area code, which serves the entire Webb County region. This unified communication system reflects the interconnected nature of the city’s diverse neighborhoods.
🌍 Note: When using Laredo zip codes, always verify the specific area to ensure accurate mail delivery, especially in border regions with complex addressing systems.
The diversity of Laredo's zip codes mirrors the city's rich cultural tapestry. From the bustling urban centers to the more residential areas, each postal region contributes to the unique character of this Texas border city.
How many zip codes does Laredo have?

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Laredo has 7 zip codes: 78040, 78041, 78042, 78043, 78044, 78045, and 78046.
Which zip code covers the largest population?

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78046 covers the largest population, representing 27.03% of Laredo's residents with 71,956 people.
What area code serves Laredo?

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The 956 area code serves all of Laredo and Webb County.
Laredo’s zip codes are more than just numbers—they are a testament to the city’s dynamic growth, cultural richness, and strategic importance in the Texas-Mexico border region.