The ZIP code data you can actually trust. We've spent years getting it right — so you don't have to worry about outdated, incomplete, or just plain wrong data. Last Updated September 1, 2026 (9 days ago). Why nobody questions our data Choose the Right Edition for Your Project Not sure which one? Compare all three editions side by side → Core Geographic City, Alias & Mailing Detail Census 2010 & 2020 Demographics Statistical Areas USPS Delivery & Postal Location & Physical Geography Government Codes & Identifiers Business & Employment Healthcare & Medicare Plus 5 Supplemental Business Files Core Geographic City, Alias & Mailing Detail Census 2020 Demographics Statistical Areas USPS Delivery & Postal Location & Physical Geography Government Codes & Identifiers Core Geographic City, Alias & Record Detail USPS Delivery & Postal Location & Physical Geography Government Codes & Identifiers Not ready to pick? Quality Data with Premium Features: Included with every edition, at no extra cost. Hover any item for detail. Immediate Download 1 Year with Monthly Updates No Automatic Renews 100% Money Back Guarantee Multi-Year License Discounts Free Phone & Email Support Free FTPS / SFTP Access Free Radius Finder Application Microsoft© Access (.MDB) Microsoft© Excel (.XLS) Comma-Delimited (.CSV) SQL Data File (.SQL) Redistribution License Available Validated Data Accuracy USPS & Canada Post Licensed Geocoding Coordinates Included No Rate Limits or Throttling Licensing & Terms Standard license For use inside your own organization — applications, analysis, mailing and internal systems. This is the license that applies to every edition unless you purchase a Redistribution license. Redistribution license Required if the data will be embedded in a product you ship, or otherwise passed on to third parties. Priced separately and available for every edition. What each edition covers — and where it stops Each row is something you can actually do, with the fields that deliver it underneath. Hatching marks where an edition stops. Every edition includes all 41,541 active ZIP codes, monthly updates for your term, and delivery in CSV, Excel, Access and SQL. See all field lists on the technical specifications page. Explore a Live Sample with our Data Explorer Frequently Asked Questions Quick answers to common questions about our ZIP Code Database. Have Tech questions? See the full Technical FAQ. What's the difference between Standard, Deluxe, and Business editions? Each edition offers different levels of data depth: Standard ($49.95/yr): 31 core data fields including ZIP code, city, state, county, area codes, coordinates, time zone, and basic FIPS codes. Perfect for address validation and basic lookups. Deluxe ($89.95/yr): 60 data fields adding Census 2020 demographics (population, households, income, housing values), statistical areas (MSA, PMSA, CBSA), and mailing indicators. Ideal for marketing analysis and demographic research. Business ($189.95/yr): 94+ data fields with complete Census 2020 data, annual ACS updates, 5 supplemental files for multi-county ZIP logic, city aliases, and place FIPS codes. Best for enterprise applications, logistics, and comprehensive analysis. View detailed comparison → Can I upgrade from Standard to Deluxe or Business later? Yes! You can upgrade at any time by simply paying the price difference. Your subscription end date remains the same, and you'll immediately get access to the additional data fields. For example, if you purchased Standard and want to upgrade to Business, you'd pay $140 (the difference between $189.95 and $49.95), and your 12-month update period stays unchanged. This is accessible directly from your Account Homepage . It will list all of your subscriptions and offer an immediate upgrade option. No waiting, the upgrade is instantaneous. Contact us if you have any further question. How do the monthly updates work? Every purchase includes 12 months of monthly updates at no additional cost. Each month, we sync with USPS updates and release a fresh version of the database on the 1st of the month. We send out a monthly email notice to all active subscribers announcing the new release, as well as how many changes have taken place. Access your updates two ways: Manual Download: Log into your account and download the latest version anytime Automated FTP: We'll set up free FTP/SFTP/FTPS access so you can automate monthly imports After 12 months, you keep all the data you've downloaded. Renewal is only needed if you want to continue receiving monthly updates. We recommend that automated FTP transfers be scheduled for the 5th of the month, just in case of a delay. We have not missed publishing on the 1st in many years, but occasionally there are re-publications to correct something that missed our review. Automating on the 5th of the month ensures any corrections are captured without reprocessing. Do I need a redistribution license? You need a redistribution license if: You're distributing the data to clients or customers outside your organization. You're packaging the data with software you sell or license to others. You're providing the data as a service to third parties. Examples: SaaS applications, store locator widgets for clients, data resellers. A regular license is fine if: You're using the data internally within your organization. All users are employees or contractors of your company. You're using it for analysis, mail sorting, logistics, or internal tools. Still unsure? Contact us and we'll help you determine which license you need. What file formats are included? Every edition includes all formats at no extra cost, available for immediate download: CSV (Comma-Separated Values): Universal compatibility with any application, programming language, or import tool Microsoft Excel (.XLS): Ready for immediate use in Excel for analysis and exploration Microsoft Access (.MDB): Database format for Access users SQL Files: Ready-to-import for MySQL and SQL Server, includes table creation scripts All formats contain the same complete data - choose whichever works best for your workflow, or all of them! How accurate is your ZIP code data? We maintain high data accuracy through a rigorous quality process: Official USPS & Canada Post Licensed: We're authorized distributors of official postal data, not scraping or aggregating from unreliable sources. Manual Verification: Our team manually reviews data sources rather than just running automated scripts. Monthly USPS Synchronization: We update on the 1st to match official USPS publication schedules. Years of Experience: Since 2003, we've refined our processes to catch errors before they reach you. We stand behind our accuracy with a 30-day money-back guarantee. Learn more about our quality process → What happens after my 1-year subscription ends? We provide a 30-day grace period after your subscription expires to give you time to renew without interruption. If you don't renew: Per our Terms of Service , your license ends and you must stop using and delete the data within 10 business days. This applies to production systems, backups, archives, and any derivative databases. Here's what outdated data looks like in production: Your store locator returns "no locations found" for valid ZIP Codes - or stale coordinates recommend a store 30 miles away when one is 3 miles closer Your checkout rejects valid addresses with "please enter a valid ZIP Code" Your territory assignments route leads to the wrong sales rep Your customer calls support frustrated that "your system is broken" Why this happens: ZIP Code data isn't static. The USPS modifies approximately 2,000+ ZIP Codes every year - that's 1 in 20. ZIP+4 codes change even faster: 5% update every single month . Population growth, new construction, and delivery route optimization trigger changes constantly. Coordinates shift. Area codes split (and they're splitting faster than ever). Demographics refresh yearly. City and county assignments change with every annexation. Industry benchmarks on data decay:

22% of customer/business data becomes outdated annually (Gartner) B2B contact data decays at 2.1% per month (Marketing Sherpa) Poor data quality costs organizations ~$15 million per year on average (Gartner) The hidden cost: Data decay compounds. A database that's "close enough" in year one becomes progressively less reliable each month you skip updates. The customers who wait years between updates inevitably contact us the same way: "A customer complained their ZIP Code isn't in our system." By then, the data has drifted significantly from reality. Planning ahead? Lock in 2 or 3-year licenses and save 10%. Check purchase options for each version. Annual renewal keeps your applications working and your customers converting. Can I use this data for my specific use case? Our ZIP Code Database is used across many industries and applications: Logistics & Delivery: Route optimization, delivery zone mapping, shipping calculations Marketing & Sales: Territory planning, demographic targeting, market analysis, direct mail campaigns Real Estate & Finance: Property analysis, risk assessment, market research, appraisals Software Development: Store locators, address validation, distance calculations, GIS applications Healthcare: Service area analysis, patient demographics, facility planning Government & Research: Census analysis, demographic studies, statistical reporting If you're unsure whether our data fits your needs, contact us or explore our live sample to see all available fields. What if I need more than 51 users or have a large organization? Our 51+ Enterprise license includes unlimited users within your organization at a single location. For complex enterprise needs: Multiple locations or departments needing separate licenses Custom licensing arrangements Volume discounts for multiple products Special implementation requirements Contact us at 1-800-425-1169 or info@zip-codes.com to discuss enterprise licensing options. How quickly can I access the data after purchase? Immediately. As soon as your payment is processed, you can download your database. Instant access 24/7 - no business hours required No approval process or waiting period Download is instantly available (no waiting on download links via email) All formats available for instant download Free radius finder application included Need help getting started? Our support team is available at 1-800-425-1169 during business hours, or email us anytime at info@zip-codes.com . How do I import the database into my application? Every edition includes multiple formats to fit your workflow: CSV (Comma-Separated Values): Universal compatibility - works with any database, spreadsheet, or programming language. Most databases support direct import commands like LOAD DATA INFILE (MySQL) or BULK INSERT (SQL Server). SQL Files: Ready-to-use import scripts for MySQL and SQL Server. Simply run the provided .sql file and the complete table structure is created automatically with proper field definitions and recommended indexes. Microsoft Access (.MDB): Open directly in Access - ready to query immediately. Microsoft Excel (.XLS): Open in Excel for immediate analysis and exploration. 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 on our Technical Specs page . What coordinate system do you use for latitude/longitude? 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. Coordinate format: Decimal degrees format (e.g., 40.712800, -74.006000). Precision: 6 decimal places (accurate to approximately 4 inches). Represents the centroid for most ZIP codes, generally the geographic center. PO Box-only ZIP codes use the Post Office location when available. Military ZIP codes and certain other classifications may not have coordinates. Newly created ZIP codes may temporarily lack coordinates until officially geocoded. Need precise boundary data? Our separate ZIP Code Boundary Data GIS product provides complete polygon shapefiles for mapping and spatial analysis. How do you handle ZIP codes that cross county or state lines? 23.3% of all ZIP codes cross county boundaries - this is a well-known challenge with ZIP code data since ZIP codes were designed for mail delivery, not geographic boundaries. Standard & Deluxe editions: Each ZIP code is assigned to its primary county (typically the county receiving the highest mail volume for that ZIP code). Business edition: Includes a supplemental Multi-County table that lists ALL counties a ZIP code touches. This allows you to implement your own assignment logic based on your specific needs. Best practice: If county-level precision is critical for your application (demographics, tax rates, jurisdiction boundaries), use the Business edition's Multi-County data to handle these overlaps appropriately for your use case. Need exact boundaries? Our ZIP Code Boundary Data GIS product provides precise polygon data for mapping county overlaps and performing spatial analysis. Can I calculate distances between ZIP codes using your data? Yes! With the included latitude/longitude coordinates, you can calculate straight-line distances using standard formulas: Haversine formula: Great-circle distance (most common, accurate for most use cases). Vincenty formula: Higher precision for geodesic distance calculations. Implementation options: Database functions: Most databases have built-in spatial functions (MySQL's ST_Distance_Sphere() , PostgreSQL's PostGIS) Programming libraries: Available for all major languages (Python's geopy, JavaScript's Turf.js, PHP's geodist, etc.) FREE Radius Finder Application: Included with every purchase! Desktop application works offline with no expiration. Also available as an online tool in your account. Performance: With proper database indexing, radius searches across all 41,500 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. What's the best way to keep my database synchronized with monthly updates? We offer two update delivery methods for your convenience: 1. Automated FTP/SFTP/FTPS (Recommended for production): Free access provided to all customers Files published on the 1st of each month Set up scheduled tasks/cron jobs to download and import automatically Best practice: Schedule imports for the 5th of the month to allow time for any republications (rare, but it happens) 2. Manual download from your account: Log in anytime at your account homepage to download the latest version Ideal for development environments or occasional updates Update file options: Full database files: Complete dataset (CSV, Excel, Access, SQL formats) Update files: CSV/tab-delimited update files containing only the month's changes (deletes followed by adds). If a record is updated, it appears as a delete (last month's data) followed by an add (current month's data). Update strategy recommendations: Full replacement method (recommended): Most customers replace the entire table monthly. Simplest approach with lowest risk of sync errors. Transaction file method: Process only monthly changes. More complex but useful for large-scale applications tracking change history. Zero-downtime updates: Use database table swapping techniques (e.g., RENAME TABLE old_zips TO backup_zips, new_zips TO active_zips ) for production environments. Always keep backups: Retain at least the previous month's data before importing new updates. Questions answered? Three editions — 31, 60 or 94+ fields — from $49.95 a year. Decades of Trust: We're the ZIP Code Data Experts Lead Data Architect - 23 Years Experience Good data doesn't just happen - it takes real people who care about getting things right. Eddie and our team manually verify every source. 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. We Stand Behind Our Work Our mission: Provide accurate, comprehensive, and trustworthy ZIP Code data so you can make confident business decisions based on reliable intelligence. Since 2003, we have maintained high accuracy through rigorous verification, expert curation, and a commitment 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. Learn Why Many Place Their Trust In Us → Trusted by Thousands of Companies Real Reviews from Real Customers from 76+ verified reviews on our Google Business profile That is what our customers say. Every edition downloads the moment you buy, and is covered for 30 days. Sources & References 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 September 10, 2026. U.S. Postal Service [Last Updated: 9/1/2026], https://www.usps.com ZIP-Codes.com Proprietary Data Enhancements [Updated: 9/1/2026], https://www.zip-codes.com 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 2011-2023 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] 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 2011-2023 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] U.S. Geological Survey [Updated: Varies], https://www.usgs.gov Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov Regular License Redistribution License Use within your organization for business operations, analysis, and internal tools. Review Terms of Service License allows you to redistribute data to clients, customers, or external end users outside your organization. Review Terms of Service