diff --git a/index.js b/index.js
index 25231d4..574ae17 100644
--- a/index.js
+++ b/index.js
@@ -25,7 +25,16 @@ const port = process.env.SERVER_PORT || 3000;
 
 const invalidBlocks = [
 	// Emergency number prefixes (112, 911, 999, 110, 117, 119, 113, 191, 111)
-	1120000, 9110000, 9990000, 1100000, 1170000, 1190000, 1130000, 1910000, 1110000
+	1120000, // UK, EU, etc
+	9110000, // US, Canada
+	9880000, // Suicide prevention (US)
+	9990000,
+	1100000,
+	1170000,
+	1190000,
+	1130000,
+	1910000,
+	1110000
 ]
 
 const pool = mariadb.createPool({