diff --git a/protocols/irc/Numerics.h b/protocols/irc/Numerics.h
new file mode 100644
index 0000000..8b5d7a5
--- /dev/null
+++ b/protocols/irc/Numerics.h
@@ -0,0 +1,17 @@
+#ifndef _RESPONSE_NUMERICS_H
+#define _RESPONSE_NUMERICS_H
+
+#define RPL_WELCOME 1
+#define RPL_ENDOFWHO 315
+#define RPL_TOPIC 332
+#define RPL_WHOREPLY 352
+#define RPL_NAMREPLY 353
+#define RPL_MOTD 372
+#define RPL_MOTDSTART 375
+#define RPL_ENDOFMOTD 376
+
+#define ERR_NONICKNAMEGIVEN 431
+#define ERR_ERRONEUSNICKNAME 432
+#define ERR_NICKNAMEINUSE 433
+
+#endif // _RESPONSE_NUMERICS_H