gistfile1.txt

function wc_sell_only_states( $states ) {
	$states['US'] = array(
		'AL' => __( 'Alabama', 'woocommerce' ),
		'AK' => __( 'Alaska', 'woocommerce'),
		'AZ' => __( 'Arizona', 'woocommerce'),
		'AR' => __( 'Arkansas', 'woocommerce'),
		'DE' => __( 'Delaware', 'woocommerce'),
		'FL' => __( 'Florida', 'woocommerce'),
		'GA' => __( 'Georgia', 'woocommerce'),
		'ID' => __( 'Idaho', 'woocommerce'),
		'IN' => __( 'Indiana', 'woocommerce'),
		'IA' => __( 'Iowa', 'woocommerce'),
		'KS' => __( 'Kansas', 'woocommerce'),
		'KY' => __( 'Kentucky', 'woocommerce'),
		'LA' => __( 'Louisiana', 'woocommerce'),
		'ME' => __( 'Maine', 'woocommerce'),
		'MI' => __( 'Michigan', 'woocommerce'),
		'MN' => __( 'Minnesota', 'woocommerce'),
		'MS' => __( 'Mississippi', 'woocommerce'),
		'MO' => __( 'Missouri', 'woocommerce'),
		'MT' => __( 'Montana', 'woocommerce'),
		'NE' => __( 'Nebraska', 'woocommerce'),
		'NV' => __( 'Nevada', 'woocommerce'),
		'NH' => __( 'New Hampshire', 'woocommerce'),
		'NM' => __( 'New Mexico', 'woocommerce'),
		'NC' => __( 'North Carolina', 'woocommerce'),
		'ND' => __( 'North Dakota', 'woocommerce'),
		'OH' => __( 'Ohio', 'woocommerce'),
		'OK' => __( 'Oklahoma', 'woocommerce'),
		'OR' => __( 'Oregon', 'woocommerce'),
		'PA' => __( 'Pennsylvania', 'woocommerce'),
		'RI' => __( 'Rhode Island', 'woocommerce'),
		'SC' => __( 'South Carolina', 'woocommerce'),
		'SC' => __( 'South Dakota', 'woocommerce'),
		'TN' => __( 'Tennessee', 'woocommerce'),
		'TX' => __( 'Texas', 'woocommerce'),
		'UT' => __( 'Utah', 'woocommerce'),
		'VA' => __( 'Virginia', 'woocommerce'),
		'WA' => __( 'Washington', 'woocommerce'),
		'WV' => __( 'West Virginia', 'woocommerce'),
		'WI' => __( 'Wisconsin', 'woocommerce'),
		'WY' => __( 'Wyoming', 'woocommerce')
		);
	
		return $states;
}
add_filter( 'woocommerce_states', 'wc_sell_only_states' );