diff --git a/src/Socialbox/Classes/StandardMethods/SettingsSetPhoneNumber.php b/src/Socialbox/Classes/StandardMethods/SettingsSetPhoneNumber.php
new file mode 100644
index 0000000..eaa9a4d
--- /dev/null
+++ b/src/Socialbox/Classes/StandardMethods/SettingsSetPhoneNumber.php
@@ -0,0 +1,49 @@
+<?php
+
+    namespace Socialbox\Classes\StandardMethods;
+
+    use Exception;
+    use Socialbox\Abstracts\Method;
+    use Socialbox\Classes\Validator;
+    use Socialbox\Enums\Flags\SessionFlags;
+    use Socialbox\Enums\StandardError;
+    use Socialbox\Exceptions\StandardException;
+    use Socialbox\Interfaces\SerializableInterface;
+    use Socialbox\Managers\RegisteredPeerManager;
+    use Socialbox\Managers\SessionManager;
+    use Socialbox\Objects\ClientRequest;
+    use Socialbox\Objects\RpcRequest;
+
+    class SettingsSetPhoneNumber extends Method
+    {
+        /**
+         * @inheritDoc
+         */
+        public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
+        {
+            if(!$rpcRequest->containsParameter('phone_number'))
+            {
+                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, "Missing 'phone_number' parameter");
+            }
+
+            if(!Validator::validatePhoneNumber($rpcRequest->getParameter('phone_number')))
+            {
+                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, "Invalid 'phone_number' parameter, must be a valid phone number");
+            }
+
+            try
+            {
+                // Set the phone number
+                RegisteredPeerManager::updatePhoneNumber($request->getPeer(), $rpcRequest->getParameter('phone_number'));
+
+                // Check & update the session flow
+                SessionManager::updateFlow($request->getSession(), [SessionFlags::SET_PHONE]);
+            }
+            catch(Exception $e)
+            {
+                throw new StandardException('Failed to set phone number due to an internal exception', StandardError::INTERNAL_SERVER_ERROR, $e);
+            }
+
+            return $rpcRequest->produceResponse(true);
+        }
+    }
\ No newline at end of file