Core ZIP code data for personal use. Need more fields? Compare to our professional editions below.
| Field Name | Data Type | Description |
|---|---|---|
| ZipCode | Char(5) |
5-digit ZIP code (00000-99999), including U.S. territories and military codes |
| State | Char(2) |
USPS 2-letter state abbreviation (e.g., CA, NY, TX) |
| City | VarChar(35) |
USPS-designated primary city name for this ZIP code |
| Latitude | Decimal(12,4) |
Geographic coordinate (degrees north/south), 4-decimal precision |
| Longitude | Decimal(12,4) |
Geographic coordinate (degrees east/west), 4-decimal precision |
| ClassificationCode | Char(1) |
ZIP type: Blank = Non-unique, M = Military, P = PO Box, U = Unique |
| Population | Integer |
2020 Census population for ZIP Code Tabulation Area (ZCTA) |
Best for enterprise applications, logistics, comprehensive demographic analysis, and redistribution
Professional editions add: Census 2020 demographics, CBSA/MSA codes, median income data, congressional districts, DST indicators, and 37+ more fields. Perfect for commercial applications.
Create your free account and download immediately. No credit card required.
Professional editions unlock powerful features for commercial applications and advanced analysis.
Quick answers to common questions about the FREE ZIP Code Database. Have technical questions? See the full Technical FAQ.
Yes, completely free. No credit card required, no trial period, no hidden fees.
What you get at no cost:
The only restriction: The FREE edition is for personal use only. Commercial applications require a (starting at $49.95/year).
The FREE edition includes 7 essential data fields for all 42,000+ U.S. ZIP codes:
| Field Name | Description |
|---|---|
| ZIP Code | 5-digit ZIP code |
| State | 2-letter state abbreviation |
| City | Primary city name |
| Latitude | Geographic coordinate (4-decimal precision) |
| Longitude | Geographic coordinate (4-decimal precision) |
| Classification Code | ZIP type (Standard, PO Box, Unique, Military) |
| Population | 2020 Census population (ZCTA) |
Perfect for: Address validation, basic mapping, personal projects, educational use, form validation, and distance calculations.
Want more? Explore the Data Explorer to compare FREE with Professional editions and see all available fields.
The download process is quick and simple:
Total time: Usually less than 2 minutes from registration to download.
Having trouble? Contact our support team at 1-800-425-1169 or info@zip-codes.com - we're happy to help!
No credit card required. We only need your name, email address, and password to create your account.
Why we ask for an email:
We respect your privacy and will never sell your information. You can unsubscribe from update notifications anytime, though your download access remains active forever.
Every file format is included at no extra cost, available for immediate download:
All formats contain the same complete data - choose whichever works best for your workflow, or download all of them! Professional editions include the same formats with additional data fields.
No, the FREE edition is for personal use only.
Personal use includes:
You need a Professional edition if:
Professional editions start at just $49.95/year and include commercial usage rights, plus 24-87 additional data fields like demographics, county information, time zones, and statistical areas.
to find the right fit for your commercial needs.
The FREE edition includes 7 core fields. Professional editions add 24-87+ additional fields depending on the tier:
Key differences:
or explore the Data Explorer to see the actual fields side-by-side.
Absolutely! You can upgrade anytime when your needs change.
Common upgrade scenarios:
Upgrade process:
Your FREE edition account remains active, so you can always access both versions if needed.
The FREE edition works great for many personal use cases:
For commercial applications, Professional editions are used across many industries:
Remember: FREE is for personal use only. Commercial use requires a Professional Edition. If you're unsure, explore our live sample or contact us and we'll help you choose the right edition.
Monthly updates, published on the 1st of each month. We synchronize with official USPS updates to ensure you have the most current data.
What changes each month:
How to stay updated:
Good news: ZIP codes are relatively stable. Most months see only 10-50 changes across the entire U.S., so updates are optional - download new versions only when it makes sense for your use case.
Forever. Your FREE account never expires.
What this means:
Your data never expires either: Any version you download remains fully functional forever. Use it for years without needing updates if your use case doesn't require current data.
Professional editions work differently: They include 12 months of updates, after which you can renew annually if you want to continue receiving updates. to see all differences.
Yes! FREE users get the same support as paid customers.
Available support channels:
What we help with:
We're committed to providing excellent support regardless of whether you're using the FREE edition or a paid product. Don't hesitate to reach out!
Every edition includes multiple formats to fit your workflow:
LOAD DATA INFILE (MySQL) or BULK INSERT (SQL Server)..sql file and the complete table structure is created automatically with proper field definitions and recommended indexes.For developers: CSV format works seamlessly with all major programming languages (Python, PHP, Node.js, Java, C#, Ruby, etc.). We provide complete field definitions and data types in our Technical Specs documentation.
Need help? Contact our support team at info@zip-codes.com and we'll walk you through the import process for your specific platform.
All latitude and longitude coordinates use the WGS84 datum (EPSG:4326) - the standard coordinate system used by GPS, Google Maps, and most mapping applications worldwide.
FREE Edition coordinate format:
Professional Editions:
Special cases:
Need precise boundary data? Our separate ZIP Code Boundary Data GIS product provides complete polygon shapefiles for advanced mapping and spatial analysis.
Yes! With the included latitude/longitude coordinates, you can calculate straight-line distances using standard geographic formulas.
Common distance formulas:
Implementation options:
ST_Distance_Sphere(), PostgreSQL's PostGIS extensionsPerformance: With proper database indexing, radius searches across all 42,000 ZIP codes complete in well under a second on modern hardware.
Important note: Calculated distances are "as the crow flies" (straight-line), not driving distances. For routing applications requiring turn-by-turn directions, you'll need a routing engine like OSRM, GraphHopper, or Google Maps Directions API.
Professional edition customers can access our online Radius Finder tool and desktop application for quick ZIP code radius searches without writing code.
James Harris
Lead Data Architect - 23 Years Experience
Good data doesn't just happen - it takes real people who care about getting things right. James and our team manually verify every source. No running scripts and calling it done. We maintain high standards because you're counting on this data to run your business.
When something doesn't look right, we dig into it. That's the difference experience makes.
More About Our Team →
Our mission: Provide the most accurate, comprehensive, and trustworthy ZIP Code data in the industry - so you can make confident business decisions based on reliable intelligence.
Since 2003, we have maintained 99.9% accuracy through rigorous verification, expert curation, and committment to data quality.
We believe that good data matters, and so does good service. When you need help, you'll talk to an actual person - not a ticket system or an endless email thread. Call us and we'll pick up the phone. Email us, and we will respond promptly. It's a simple thing, but it makes a difference when you're on a deadline or troubleshooting an issue.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, and Centers for Medicare & Medicaid Services, along with proprietary datasets created by ZIP-Codes.com. Data last updated on November 1, 2025.