GeoPostcodes Alternatives (January 2026)

GeoPostcodes: International Postal & Zip Code Database

https://www.geopostcode.com/

GeoPostcodes provides the world’s most comprehensive postal/zip code database. Complete, accurate, always up-to-date and enterprise-ready.

4.8/5

20+ reviews

Reviewed on:

Capterra

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Address Lookup, Rooftop Geo, Bank, Mobile & Email Validation - Postcoder

https://postcode

.com/

Postcoder is the API for address lookup & form validation. Improve your conversion rates and capture better quality customer data.

Address Verification, Data Validation & Geocoding Software | Loqate, a GBG solution

https://www.loqat

.com/

Improve data quality by capturing correct UK addresses. Boost conversions and user experience with postcode address verification and geocoding technology.

Address Validation API | Address Verification API Services - USPS API - PostGrid™

https://www.postgri

.com/address-verification-api/

Verify/Validate Addresses using PostGrid’s CASS (USPS) and SERP (Canada Post) certified Address validation and verification API and services.

Address Validator: Postal Address Validation & Address Verification Service

https://www.byteplan

.com/address-validator/

With our free postal address verification and international address validation service you can easily verify if any USPS or international postal address is valid and deliverable.

Free IP Geolocation API and Accurate IP Geolocation Database

https://ipgeolocatio

.io/

Free IP Geolocation API and Accurate IP Database provides country, city, zip code, ISP data in REST JSON and XML format from any IPv4 and IPv6 Address.

MaxMind GeoIP® Databases | MaxMind

https://www.maxmin

.com/en/geoip-databases/

IP geolocation and network data from the creator of GeoIP. Download and host the data locally to eliminate network latency and per-query charges.

LocationIQ - Free Reverse Geocoding API, Geocoding API, Autocomplete API

https://www.locationi

.com/

Affordable Google Maps alternative for Reverse Geocoding, Geocoding, Maps and Routing APIs. Generous free tier, offering Enterprise-grade APIs for everyone!

Geocoding API and autocomplete | PlaceKit

https://placeki

.io/

PlaceKit is a worldwide geocoding API providing fast and accurate address autocomplete, store locator, and two-way geocoding for your app.

Placekey | Solve Address Matching Problems with a Free Universal Location ID

https://www.placeke

.io/

Placekey is a universal place identifier trusted by organizations, businesses, and geospatial scientists to easily represent and unify location data.