diff --git a/blacklisted_numbers.txt b/blacklisted_numbers.txt
index 889ccb9fcf..5e6b14d3d2 100644
--- a/blacklisted_numbers.txt
+++ b/blacklisted_numbers.txt
@@ -565,3 +565,4 @@
 1 570 234 0832
 +1(855) 235-0901
 +1.808‒400‒1797
+850-633-2042