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Dev.to
6/30/2026
The original headline is: "Introducing USPS ZIP+4 Postal Code Support for the Geocoding API"

The original headline is: "Introducing USPS ZIP+4 Postal Code Support for the Geocoding API"

Original: Introducing USPS ZIP+4 Postal Code Support for the Geocoding API

Short summary

Mapbox Geocoding API v6 adds optional USPS ZIP+4 support for precise address matching. ZIP+4 codes pinpoint specific buildings or delivery points, enabling delivery services, logistics companies, and e-commerce platforms to optimize routes and reduce shipping errors. The feature is backward-compatible and unavailable for rural areas and international locations.

  • •ZIP+4 codes provide precise delivery-point accuracy beyond standard 5-digit postal codes
  • •Optional parameter maintains backward compatibility with existing API implementations
  • •Ideal for delivery optimization, logistics routing, and address verification

Generated with AI, which can make mistakes.

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