diff --git a/web.rb b/web.rb
index 0bb579d262aa8f6ed363d0a6d7a78c1dec23d21b..826c6824627524a21fee0c434613a0710f1df3a5 100644
--- a/web.rb
+++ b/web.rb
@@ -365,7 +365,7 @@ class Web < Roda
 				end
 
 				r.post do
-					from = params["from"].sub(/^\+1/, "")
+					from = params["from"].sub(/^(?:\+1|c/), "")
 					customer_repo(
 						sgx_repo: Bwmsgsv2Repo.new
 					).find_by_format(from).then { |c|