Custom Array Validation for Contact Form 7

functions.php

function gg_validation_filter( $result, $tag ) {

 if ( 'your-name' == $tag[name] ) {
  
  $items = array( '00','01','02' );
  $post_item = $_POST['your-name'];

  if( !in_array( $post_item, $items ) ) {
   $result->invalidate( $tag, "This is not a valid zip!" );
  }

 }

 return $result;

}
add_filter( 'wpcf7_validate_text*', 'gg_validation_filter', 20, 2 );