diff --git a/src/libs/OptionsListUtils.js b/src/libs/OptionsListUtils.js
index e8a349daa112..96661f481e7a 100644
--- a/src/libs/OptionsListUtils.js
+++ b/src/libs/OptionsListUtils.js
@@ -25,6 +25,19 @@ let preferredLocale;
 // will update when the OptionsListUtils re-loads. But will stay the same color for the life of the JS session.
 const defaultAvatarForUserToInvite = getDefaultAvatar();
 
+/**
+ * Adds expensify SMS domain (@expensify.sms) if login is a phone number and if it's not included yet
+ *
+ * @param {String} login
+ * @return {String}
+ */
+function addSMSDomainIfPhoneNumber(login) {
+    if (Str.isValidPhone(login) && !Str.isValidEmail(login)) {
+        return login + CONST.SMS.DOMAIN;
+    }
+    return login;
+}
+
 /**
  * Returns the personal details for an array of logins
  *
@@ -38,7 +51,7 @@ function getPersonalDetailsForLogins(logins, personalDetails) {
 
         if (!personalDetail) {
             personalDetail = {
-                login,
+                login: addSMSDomainIfPhoneNumber(login),
                 displayName: login,
                 avatar: getDefaultAvatar(login),
             };
@@ -339,7 +352,7 @@ function getOptions(reports, personalDetails, draftComments, activeReportID, {
             && (searchValue !== CONST.EMAIL.CHRONOS || Permissions.canUseChronos(betas))
     ) {
         // If the phone number doesn't have an international code then let's prefix it with the
-        // current users international code based on their IP address.
+        // current user's international code based on their IP address.
         const login = (Str.isValidPhone(searchValue) && !searchValue.includes('+'))
             ? `+${countryCodeByIP}${searchValue}`
             : searchValue;
diff --git a/tests/unit/OptionsListUtilsTest.js b/tests/unit/OptionsListUtilsTest.js
index 9ce34322cdfb..2a54da5e2015 100644
--- a/tests/unit/OptionsListUtilsTest.js
+++ b/tests/unit/OptionsListUtilsTest.js
@@ -350,7 +350,7 @@ describe('OptionsListUtils', () => {
         expect(results.recentReports.length).toBe(0);
         expect(results.personalDetails.length).toBe(0);
         expect(results.userToInvite).not.toBe(null);
-        expect(results.userToInvite.login).toBe('+15005550006');
+        expect(results.userToInvite.login).toBe(`+15005550006${CONST.SMS.DOMAIN}`);
 
         // When we add a search term for which no options exist and the searchValue itself
         // is a potential phone number with country code added
@@ -361,7 +361,7 @@ describe('OptionsListUtils', () => {
         expect(results.recentReports.length).toBe(0);
         expect(results.personalDetails.length).toBe(0);
         expect(results.userToInvite).not.toBe(null);
-        expect(results.userToInvite.login).toBe('+15005550006');
+        expect(results.userToInvite.login).toBe(`+15005550006${CONST.SMS.DOMAIN}`);
 
         // Test Concierge's existence in new group options
         results = OptionsListUtils.getNewGroupOptions(REPORTS_WITH_CONCIERGE, PERSONAL_DETAILS_WITH_CONCIERGE);