diff --git a/Soneritics/PostNL/API.php b/Soneritics/PostNL/API.php
index 3333803..b0a7da2 100644
--- a/Soneritics/PostNL/API.php
+++ b/Soneritics/PostNL/API.php
@@ -26,6 +26,7 @@
 
 use PostNL\Endpoints\Endpoints;
 use PostNL\Model\Customer;
+use PostNL\Service\AddressService;
 use PostNL\Service\BarcodeService;
 use PostNL\Service\ConfirmService;
 use PostNL\Service\LabellingService;
@@ -137,4 +138,14 @@ public function getShippingStatusService(): ShippingStatusService
     {
         return new ShippingStatusService($this->apiKey, $this->customer, $this->endpoints->ShippingStatus);
     }
+
+	/**
+	 * Get the address service
+	 *
+	 * @return AddressService
+	 */
+	public function getAddressService(): AddressService
+	{
+		return new AddressService($this->apiKey, $this->customer, $this->endpoints->Address);
+	}
 }
diff --git a/Soneritics/PostNL/Endpoints/Endpoints.php b/Soneritics/PostNL/Endpoints/Endpoints.php
index 4de3b10..27df056 100644
--- a/Soneritics/PostNL/Endpoints/Endpoints.php
+++ b/Soneritics/PostNL/Endpoints/Endpoints.php
@@ -73,6 +73,11 @@ abstract class Endpoints
      */
     public $ShippingStatus;
 
+	/**
+	 * @var string
+	 */
+    public $Address;
+
     /**
      * Endpoints constructor.
      * Check if all endpoints are implemented.
diff --git a/Soneritics/PostNL/Endpoints/Production.php b/Soneritics/PostNL/Endpoints/Production.php
index 368bbba..c716702 100644
--- a/Soneritics/PostNL/Endpoints/Production.php
+++ b/Soneritics/PostNL/Endpoints/Production.php
@@ -39,4 +39,5 @@ class Production extends Endpoints
     public $Locations = 'https://api.postnl.nl/shipment/v2_1/locations';
     public $PostalCode = 'https://api.postnl.nl/shipment/checkout/v1';
     public $ShippingStatus = 'https://api.postnl.nl/shipment/v2/status';
+    public $Address = 'https://api.postnl.nl/address';
 }
diff --git a/Soneritics/PostNL/Endpoints/Sandbox.php b/Soneritics/PostNL/Endpoints/Sandbox.php
index a572cfe..0416280 100644
--- a/Soneritics/PostNL/Endpoints/Sandbox.php
+++ b/Soneritics/PostNL/Endpoints/Sandbox.php
@@ -41,4 +41,5 @@ class Sandbox extends Endpoints
     public $Locations = 'https://api-sandbox.postnl.nl/shipment/v2_1/locations';
     public $PostalCode = 'https://api-sandbox.postnl.nl/shipment/checkout/v1';
     public $ShippingStatus = 'https://api-sandbox.postnl.nl/shipment/v2/status';
+	public $Address = 'https://api.postnl.nl/address'; // No sandbox available
 }
diff --git a/Soneritics/PostNL/Service/AddressService.php b/Soneritics/PostNL/Service/AddressService.php
new file mode 100644
index 0000000..f97daf1
--- /dev/null
+++ b/Soneritics/PostNL/Service/AddressService.php
@@ -0,0 +1,72 @@
+<?php
+/*
+ * The MIT License
+ *
+ * Copyright 2015 Soneritics Webdevelopment.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+namespace PostNL\Service;
+
+/**
+ * Address Service
+ */
+class AddressService extends AbstractService
+{
+    /**
+     * Check the address (Dutch)
+	 *
+     * @throws \Exception
+     */
+    public function check(string $postalCode, string $city, string $street, string $houseNumber, string $addition): array
+    {
+        return $this->get(
+            '/national/v1/validate',
+            [
+                'PostalCode' => $postalCode,
+				'Country' => 'NDL',
+				'City' => $city,
+                'Street' => $street,
+                'HouseNumber' => $houseNumber,
+                'Addition' => $addition
+            ]
+        );
+    }
+
+	/**
+	 * Check the address for international addresses
+	 *
+	 * @throws \Exception
+	 */
+	public function checkInternational(string $country, string $postalCode, string $city, string $street, string $houseNumber, string $addition): array
+	{
+		return $this->post(
+			'/international/v1/validate',
+			[
+				'PostalCode' => $postalCode,
+				'Country' => $country,
+				'City' => $city,
+				'Street' => $street,
+				'HouseNumber' => $houseNumber,
+				'Addition' => $addition
+			]
+		);
+	}
+}
+