Google Maps JavaScript API v3

Region code biasing (US)

View this example full screen.

JavaScript
var geocoder;
var map;
var query = 'Toledo';
function initialize() {
  geocoder = new google.maps.Geocoder();
  var mapOptions = {
    zoom: 8
  }
  map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
  codeAddress();
}

function codeAddress() {
  var address = query;
  geocoder.geocode( { 'address': address}, function(results, status) {
    if (status == google.maps.GeocoderStatus.OK) {
      map.setCenter(results[0].geometry.location);
      var marker = new google.maps.Marker({
          map: map,
          position: results[0].geometry.location
      });
    } else {
      alert('Geocode was not successful for the following reason: ' + status);
    }
  });
}

google.maps.event.addDomListener(window, 'load', initialize);
JavaScript + HTML
<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Region code biasing (US)</title>
    <style>
      html, body, #map-canvas {
        height: 100%;
        margin: 0px;
        padding: 0px
      }
    </style>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
    <script>
var geocoder;
var map;
var query = 'Toledo';
function initialize() {
  geocoder = new google.maps.Geocoder();
  var mapOptions = {
    zoom: 8
  }
  map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
  codeAddress();
}

function codeAddress() {
  var address = query;
  geocoder.geocode( { 'address': address}, function(results, status) {
    if (status == google.maps.GeocoderStatus.OK) {
      map.setCenter(results[0].geometry.location);
      var marker = new google.maps.Marker({
          map: map,
          position: results[0].geometry.location
      });
    } else {
      alert('Geocode was not successful for the following reason: ' + status);
    }
  });
}

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

    </script>
  </head>
  <body>
    <div id="map-canvas"></div>
  </body>
</html>

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