Dev tools · alternatives · 2026

24 alternatives to PostalCodes.app

Access to worldwide postal code data

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. PostalCodes.app launched in 2021; newer entries below may have overtaken it.

1. 1
   Distance By Postcode▲6

   Calculating distances of postcode pairs in bulk via roads

   Jan 2026 · distancebypostcode.com · its alternatives →

2. 2
   Geodata API▲6

   Fast, Accurate & Reliable. Easy to integrate

   2023 · its alternatives →

3. 3
   Postal Code Finder FREE▲2

   Postal Code finder,downloadable datasets for 190+ countries

   Feb 2026 · postalcodes.info · its alternatives →

4. 4
   Public APIs▲641

   Find public APIs and start building projects and share them.

   2019 · public-apis.io · its alternatives →

5. 5RA
   REST API for Global Address Verification▲80

   Automate and personalize direct mail at scale while our nationwide print network speeds delivery, controls postage costs, and keeps every send compliant.

   2013 · lob.com · its alternatives →

6. 6
   PlaceKit▲159

   Worldwide geocoding API and address autocomplete

   2023 · placekit.io · its alternatives →

7. 7
   GeoDB Cities▲9

   A REST-based global city and region data API

   2018 · geodb-cities-api.wirefreethought.com · its alternatives →

8. 8
   Postal▲231

   Open source mail delivery platform

   2017 · github.com · its alternatives →

9. 9
   PublicAPIs▲274

   Explore the largest API directory in the galaxy

   2014 · publicapis.com · its alternatives →

10. 10WC
    World Cup API for 2018▲141

    2018 · worldcup.sfg.io · its alternatives →

11. 11
    AirLabs.Co▲78

    Real-time flight status and global aviation data provider

    2021 · airlabs.co · its alternatives →

12. 12
    Listpostcode▲9

    Comprehensive postcode directory

    2024 · listpostcode.com · its alternatives →

13. 13
    Plus Codes by Google▲270

    Street addresses for places that don't have one 🗺️

    2018 · plus.codes · its alternatives →

14. 14
    Mapcode▲66

    Short addresses for anywhere on Earth

    2014 · mapcode.com · its alternatives →

15. 15
    Simplified Property API▲67

    Real estate data made accessible

    2023 · lehnertventures.com · its alternatives →

16. 16ZA
    ZipLocate, a free API for zip code geolocation▲140

    2014 · ziplocate.us · its alternatives →

17. 17
    Lob▲106

    Programmatically send physical mail and verify addresses

    2013 · lob.com · its alternatives →

18. 18
    Postcodeheatmap▲89

    Turn your spreadsheets into beautiful map visualizations

    2024 · postcodeheatmap.com · its alternatives →

19. 19
    Tiny, fast, and free API to geolocate IP addresses▲144

    Lightweight API service to get geolocation data from IP addresses. - risk3sixty/geoapi

    2019 · github.com · its alternatives →

20. 20
    APIRank.dev▲94

    A ranking of 5651+ public APIs on the internet

    2023 · apirank.dev · its alternatives →

21. 21
    Geodata API for country and city select drop-downs▲78

    :earth_americas: Geodata API - Get countries, and cities to plug in drop-downs. - shivammathur/countrycity

    2019 · github.com · its alternatives →

22. 22
    US Zip Code API▲4

    Enhanced Zip Code data API for the United States

    2024 · metadapi.com · its alternatives →

23. 23
    Targetlock▲4

    A post code based location lookup API.

    2018 · its alternatives →

24. 24AA
    an API to extract text from a PDF▲51

    2013 · stamplin.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →