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▲645

   Find public APIs and start building projects and share them.

   2019 · public-apis.io · its alternatives →

5. 5G7
   Give 7B people an instant physical address▲415

   2016 · github.com · its alternatives →

6. 6
   Public APIs 3.0▲538

   A collection of public APIs for your next project

   2021 · its alternatives →

7. 7
   PlaceKit▲159

   Worldwide geocoding API and address autocomplete

   2023 · its alternatives →

8. 8
   Postal▲231

   Open source mail delivery platform

   2017 · its alternatives →

9. 9
   Hooks Data▲305

   Real World Data in Real-time API

   2018 · its alternatives →

10. 10
    Postman Collections▲302

    Biggest library of ready-made API collections for Postman

    2017 · its alternatives →

11. 11
    AirLabs.Co▲78

    Real-time flight status and global aviation data provider

    2021 · 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 · its alternatives →

14. 14
    Simplified Property API▲67

    Real estate data made accessible

    2023 · its alternatives →

15. 15
    Lob▲106

    Programmatically send physical mail and verify addresses

    2013 · its alternatives →

16. 16
    Postcodeheatmap▲89

    Turn your spreadsheets into beautiful map visualizations

    2024 · its alternatives →

17. 17
    APIRank.dev▲94

    A ranking of 5651+ public APIs on the internet

    2023 · its alternatives →

18. 18
    US Zip Code API▲4

    Enhanced Zip Code data API for the United States

    2024 · its alternatives →

19. 19
    Postcode▲105

    VSCode extension alternative to Postman

    2021 · its alternatives →

20. 20
    Zeroqode API Tools▲130

    Biggest Library of ready-made API Collections for Postman

    2018 · its alternatives →

21. 21
    Postal Service Application▲6

    Send and receive packages all over the world

    2020 · its alternatives →

22. 22
    what3words 3.0▲131

    Helping everyone talk about everywhere

    2018 · its alternatives →

23. 23
    A Postal Boundaries API▲2

    Easily integrate boundaries for US,UK,and CA.

    2020 · its alternatives →

24. 24
    Landcode▲13

    Next Generation Location Sharing & Maps

    2024 · 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 →