WooCommerce: Restrict shipping services for particular zip codes.

functions.php

	// Fedex Block Services for particular Zip Codes.
	// Unset the shipping options of shipping method.
	// You can find the shipping service codes by doing inspect element using
	// developer tools of chrome. Code for each shipping service can be obtained by
	// checking 'value' of shipping option.
	
	add_filter('woocommerce_package_rates', 'wf_remove_shipping_options_for_particular_zip_codes', 10, 2);
	
	function wf_remove_shipping_options_for_particular_zip_codes($rates, $package)
	{
		global $woocommerce;
		$excluded_zip_array = array(
			'93999'
		);
		if (in_array($woocommerce->customer->get_shipping_postcode() , $excluded_zip_array)) {
			unset($rates['wf_fedex_woocommerce_shipping:FEDEX_GROUND']);
		}
	
		return $rates;
	}