Fire inside the billing edit form but before address field.

Source

File: /templates/account/form-edit-billing.php
Used by: /templates/account/form-edit-billing.php

Example:

function prefix_wp_travel_edit_billing_form_start() {
  esc_html_e( ‘This is content added using this hook’, ‘text-domain’ );
}
add_action( ‘wp_travel_edit_billing_form_start', 'prefix_wp_travel_edit_billing_form_start’ );