USPS and Canada Post licensed data — address validation, radius search, autocomplete, demographics, boundary files. API or download. Trusted by teams at API access to U.S. ZIP Code and Canadian Postal Code data. U.S. Address validation, radius search, autocomplete, and 13 years of demographic enrichments. Free tier includes 2,500 credits/day. U.S. ZIP Code Database USPS-licensed database with 90+ columns. Geocodes, demographics, time zones, CBSA, and more. Immediate download with monthly updates. Canadian Postal Database Canada Post-licensed database with geocodes, population, area codes, time zones, and Postal Code Conversion Files. U.S. ZIP+4 Database Complete USPS ZIP+4 database with street address data, Census Block Group, carrier routes, and geocoding. Address-level precision. ZIP Code Boundary Data ZIP Code boundary data in Shapefile, GeoJSON, KML, and more. Built for mapping, GIS applications, and geospatial analysis across the United States. These lookups run on the same licensed data available via our REST API and downloadable databases . Free ZIP Code Lookup Tools ZIP Code Lookup Enter any U.S. ZIP Code — even partials — to see city, state, county, timezone, and demographics. Find ZIP+4 of an Address Get the full 9-digit USPS ZIP+4 code for any U.S. street address. City / State Search Find all ZIP Codes for a given city and state. Advanced Search Search by any combination: ZIP, city, county, or area code with full autocomplete. Enter a center ZIP Code and a radius to get all ZIP Codes within that distance. Distance Calculator Calculate the straight-line distance between any two U.S. ZIP Codes. Locate a Post Office Find USPS post offices by ZIP Code or city name. Area Code Lookup Find ZIP Codes and geographic data for any U.S. telephone area code.

ZIP Code Zone Maps USPS distribution zones visualized at three levels of precision — essential for logistics planning, sales territory definition, and geospatial analysis. Divides the U.S. into 10 broad postal regions (0–9). Northeast through West Coast. Ideal for national-level sales territory design and executive reporting. More granular sub-regional boundaries. Used for franchise territory planning , regional distribution strategy, and mid-level market segmentation. Sectional Center Facilities (SCFs) — the most operationally precise level. Critical for logistics routing , insurance rating territories, and address-level geospatial analysis. U.S. wilderness areas, national parks, and remote regions without ZIP Code assignment. Essential for data validation and address coverage QA. Why ZIP Zone Maps Matter Sales territories: 1-digit zones align naturally with regional VP assignments and quota modeling Franchise boundaries: 2-digit and 3-digit prefixes create defensible, postal-system-aligned exclusion zones Logistics & shipping: SCF-level zones match how USPS sorts and routes mail — use them to mirror carrier workflows Coverage validation: The no-ZIP map prevents erroneous records for remote and unserviced areas These maps are built from our ZIP Code Boundary Data — available in Shapefile, GeoJSON, KML, and more. Built for Every Industry See how teams use our data to power critical business operations. Logistics & Shipping Optimize shipping zones, validate delivery addresses, and calculate distances for fleet routing and fulfillment operations. Market Analysis Enrich datasets with demographics, income, and housing data. Define trade areas and analyze market potential by ZIP Code. SaaS & Dev Tools Embed ZIP Code lookup, autocomplete, and radius search into your application via REST API. Ship location features in minutes. Insurance & Finance Territory management, risk scoring, and regulatory compliance with FIPS codes, congressional districts, and Census boundaries. Patient routing, service area definition, and Medicare region mapping with ZIP-level demographic and socioeconomic data. Marketing & CRM Segment customers by geography, enrich lead data with location intelligence, and power direct mail campaigns with validated addresses. Used in production at About ZIP-Codes.com Licensed USPS data distributor since 2003 and authorized Canada Post distributor. Over 84,000 businesses, government agencies, and universities rely on ZIP-Codes.com for business-critical postal and geographic data. All products are updated monthly with a 30-day money-back guarantee.