diff --git a/backend/src/controllers/ContactController.ts b/backend/src/controllers/ContactController.ts
index 15721e3..7ab9363 100644
--- a/backend/src/controllers/ContactController.ts
+++ b/backend/src/controllers/ContactController.ts
@@ -93,7 +93,7 @@ export const store = async (req: Request, res: Response): Promise<Response> => {
     number: Yup.string()
       .required()
       .matches(/^\d+$/, "Invalid number format. Only numbers is allowed.")
-      .matches(/^55\d+$/, "The number must start with 55.")
+    // .matches(/^55\d+$/, "The number must start with 55.")
   });
 
   try {
@@ -102,6 +102,8 @@ export const store = async (req: Request, res: Response): Promise<Response> => {
     throw new AppError(err.message);
   }
 
+  newContact.number = addStartPhoneNumber(newContact.number);
+
   const validNumber = await CheckIsValidContact(newContact.number);
 
   // const validNumber: any = await CheckContactNumber(newContact.number)
@@ -157,9 +159,11 @@ export const update = async (
 
   const schema = Yup.object().shape({
     name: Yup.string(),
-    number: Yup.string()
-      .matches(/^\d+$/, "Invalid number format. Only numbers is allowed.")
-      .matches(/^55\d+$/, "The number must start with 55.")
+    number: Yup.string().matches(
+      /^\d+$/,
+      "Invalid number format. Only numbers is allowed."
+    )
+    // .matches(/^55\d+$/, "The number must start with 55.")
   });
 
   try {
@@ -168,6 +172,8 @@ export const update = async (
     throw new AppError(err.message);
   }
 
+  contactData.number = addStartPhoneNumber(contactData.number);
+
   await CheckIsValidContact(contactData.number);
 
   const { contactId } = req.params;
@@ -233,3 +239,13 @@ export const contacsBulkInsertOnQueue = async (
 
   return res.status(200).json({ message: "ok" });
 };
+
+function addStartPhoneNumber(phoneNumber: string) {
+  const regex = /^55/;
+
+  if (!regex.test(phoneNumber)) {
+    phoneNumber = "55" + phoneNumber;
+  }
+
+  return phoneNumber;
+}