function.php

add_filter(
	'woocommerce_package_rates',
	function ($rates) {


		$customer = WC()->session->get('customer');
		$address = !empty($customer['shipping_address_1'])
			? urlencode($customer['shipping_address_1'])
			: false;
		$city = !empty($customer['shipping_city'])
			? urlencode($customer['shipping_city'])
			: false;
		$state = !empty($customer['shipping_state'])
			? urlencode($customer['shipping_state'])
			: false;

		if (!$address || !$city || !$state) {
			return $rates;
		}

		return $rates;
	},
	10,
	2,
);