Forminator.
Native Address field with sub-inputs, free, wired automatically.
Forminator has an Address field with separate sub-inputs for street, city and postcode, all in the free version. The plugin detects the field and fills each sub-input from one selection.
Three steps.
Install the Postio plugin and activate it.
Go to Settings → Postio, paste your API key and press Save key.
Add a Forminator Address field to any form and start typing.
Using something else?
UK address lookup on the block and classic checkout, plus My Account addresses. No configuration.
Every Address field on every form, wired automatically.
Automatic on WPForms Pro. On WPForms Lite, two minutes with CSS classes.
Native Address field, free core, wired automatically.
CF7 has no address field, so you tag yours. Two minutes, once per form.
No address field in Ninja Forms, so you tag yours. Two minutes, once per form.
Elementor Pro only. Tag your fields with CSS classes and you are done.
Ready in under a minute.
Sign up, grab a key, paste it in. Your first hundred lookups are on us.