JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&amp;sensor=false&amp;libraries=places"></script>
<input type="text" id="field-postal" />

JavaScript

function postal_code() {
    var input = document.getElementById('field-postal');
    var options = {
        types: ['postal_code']
    }
    var autocomplete = new google.maps.places.Autocomplete(input, options);
}

google.maps.event.addDomListener(window, 'load', postal_code);

var defaultBounds = new google.maps.LatLngBounds(
  new google.maps.LatLng(-33.8902, 151.1759),
  new google.maps.LatLng(-33.8474, 151.2631));