https://woocommerce.com/feature-request/show-shipping-fields-on-account-page-to-edit-address/
Show Shipping fields on Account page to Edit Address - WooCommerce
I would like to be able to have the user enter an address at checkout with additional fields and then later be able to edit those fields through their account...
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https://www.zoho.com/en-sg/books/kb/contacts/display-custom-field-address.html
Custom Fields in Billing/Shipping Address | FAQ | Zoho Books
Zoho Books allows you to add extra information to your Billing/Shipping Address field using custom fields.
custom fieldsshipping addressbillingfaqzoho