diff --git a/web.rb b/web.rb
index 826c6824627524a21fee0c434613a0710f1df3a5..ff12e696967411dfcbdadf52ee7460679057011f 100644
--- a/web.rb
+++ b/web.rb
@@ -365,7 +365,8 @@ class Web < Roda
 				end
 
 				r.post do
-					from = params["from"].sub(/^(?:\+1|c/), "")
+					from = params["from"].sub(/^(?:\+|c)/, "")
+					from = from.sub(/^1/, "") if from.length > 10
 					customer_repo(
 						sgx_repo: Bwmsgsv2Repo.new
 					).find_by_format(from).then { |c|