diff --git a/assets/js/frontend/address-i18n.js b/assets/js/frontend/address-i18n.js
index b2df389d362..6ab1bfbeda2 100644
--- a/assets/js/frontend/address-i18n.js
+++ b/assets/js/frontend/address-i18n.js
@@ -101,6 +101,10 @@ jQuery( function( $ ) {
 						field.show();
 					}
 				}
+
+				// Class changes.
+				field.removeClass( 'form-row-first form-row-last form-row-wide' );
+				field.addClass( fieldLocale.class.join( ' ' ) );
 			});
 
 			var fieldsets = $(
diff --git a/includes/class-wc-countries.php b/includes/class-wc-countries.php
index 871f0f2505a..b3e045136f3 100644
--- a/includes/class-wc-countries.php
+++ b/includes/class-wc-countries.php
@@ -516,7 +516,7 @@ class WC_Countries {
 					'DK'      => "{company}\n{name}\n{address_1}\n{address_2}\n{postcode} {city}\n{country}",
 					'FR'      => "{company}\n{name}\n{address_1}\n{address_2}\n{postcode} {city_upper}\n{country}",
 					'HK'      => "{company}\n{first_name} {last_name_upper}\n{address_1}\n{address_2}\n{city_upper}\n{state_upper}\n{country}",
-					'HU'      => "{name}\n{company}\n{city}\n{address_1}\n{address_2}\n{postcode}\n{country}",
+					'HU'      => "{last_name} {first_name}\n{company}\n{city}\n{address_1}\n{address_2}\n{postcode}\n{country}",
 					'IN'      => "{company}\n{name}\n{address_1}\n{address_2}\n{city} {postcode}\n{state}, {country}",
 					'IS'      => "{company}\n{name}\n{address_1}\n{address_2}\n{postcode} {city}\n{country}",
 					'IT'      => "{company}\n{name}\n{address_1}\n{address_2}\n{postcode}\n{city}\n{state_upper}\n{country}",
@@ -982,6 +982,27 @@ class WC_Countries {
 						),
 					),
 					'HU' => array(
+						'last_name' => array(
+							'class'    => array( 'form-row-first' ),
+							'priority' => 10,
+						),
+						'first_name' => array(
+							'class'    => array( 'form-row-last' ),
+							'priority' => 20,
+						),
+						'postcode' => array(
+							'class'    => array( 'form-row-first', 'address-field' ),
+							'priority' => 65,
+						),
+						'city' => array(
+							'class' => array( 'form-row-last', 'address-field' ),
+						),
+						'address_1' => array(
+							'priority' => 71,
+						),
+						'address_2' => array(
+							'priority' => 72,
+						),
 						'state' => array(
 							'label' => __( 'County', 'woocommerce' ),
 						),
@@ -1040,12 +1061,12 @@ class WC_Countries {
 							'priority' => 20,
 						),
 						'postcode'   => array(
-							'class'    => array( 'form-row-first' ),
+							'class'    => array( 'form-row-first', 'address-field' ),
 							'priority' => 65,
 						),
 						'state'      => array(
 							'label'    => __( 'Prefecture', 'woocommerce' ),
-							'class'    => array( 'form-row-last' ),
+							'class'    => array( 'form-row-last', 'address-field' ),
 							'priority' => 66,
 						),
 						'city'       => array(
diff --git a/includes/class-wc-validation.php b/includes/class-wc-validation.php
index 4bdd0931d66..d6144e54bfa 100644
--- a/includes/class-wc-validation.php
+++ b/includes/class-wc-validation.php
@@ -70,6 +70,9 @@ class WC_Validation {
 			case 'GB':
 				$valid = self::is_gb_postcode( $postcode );
 				break;
+			case 'HU':
+				$valid = (bool) preg_match( '/^([0-9]{4})$/i', $postcode );
+				break;
 			case 'IE':
 				$valid = (bool) preg_match( '/([AC-FHKNPRTV-Y]\d{2}|D6W)[0-9AC-FHKNPRTV-Y]{4}/', wc_normalize_postcode( $postcode ) );
 				break;