Change the default state and country on the checkout

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Add code to your child theme’s functions.php file or via a plugin that allows custom functions to be added, such as the Code snippets plugin. Avoid adding custom code directly to your parent theme’s functions.php file as this will be wiped entirely when you update the theme.

  * Change the default state and country on the checkout page
  add_filter( default_checkout_billing_country, change_default_checkout_country );
  add_filter( default_checkout_billing_state, change_default_checkout_state );
  function change_default_checkout_country() {
  return XX; // country code
  function change_default_checkout_state() {
  return XX; // state code


Note that the default_checkout_billing_country filter affects both existing and non-existing users. If you want to only change the default for non-existing users, then you can use this:

  * Change the default country on the checkout for non-existing users only
  add_filter( ‘default_checkout_billing_country’, ‘change_default_checkout_country’, 10, 1 );
  function change_default_checkout_country( $country ) {
  // If the user already exists, don’t override country
  if ( WC()->customer->get_is_paying_customer() ) {
  return $country;
  return ‘DE’; // Override default to Germany (an example)
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