diff --git a/src/main/java/com/example/howmuch/dto/user/login/UserOauthLoginResponseDto.java b/src/main/java/com/example/howmuch/dto/user/login/UserOauthLoginResponseDto.java
index d53ebb4..d98f48a 100644
--- a/src/main/java/com/example/howmuch/dto/user/login/UserOauthLoginResponseDto.java
+++ b/src/main/java/com/example/howmuch/dto/user/login/UserOauthLoginResponseDto.java
@@ -17,5 +17,5 @@ public class UserOauthLoginResponseDto {
     private String refreshToken;
     private String expiredTime;
     private String roleType;
-    private Boolean phoneExisted;
+    private String phoneNumber;
 }
diff --git a/src/main/java/com/example/howmuch/service/user/KakaoOauthService.java b/src/main/java/com/example/howmuch/service/user/KakaoOauthService.java
index 3266749..0a03935 100644
--- a/src/main/java/com/example/howmuch/service/user/KakaoOauthService.java
+++ b/src/main/java/com/example/howmuch/service/user/KakaoOauthService.java
@@ -62,7 +62,7 @@ private UserOauthLoginResponseDto processKakaoToken(User user) {
                 .expiredTime(expireTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")))
                 .refreshToken(refreshToken.getTokenValue())
                 .roleType(user.getRoleType().name())
-                .phoneExisted(user.getPhoneNumber() != null)
+                .phoneNumber(user.getPhoneNumber())
                 .build();
     }
 
diff --git a/src/main/java/com/example/howmuch/service/user/OauthService.java b/src/main/java/com/example/howmuch/service/user/OauthService.java
index 01f1d4d..fff3107 100644
--- a/src/main/java/com/example/howmuch/service/user/OauthService.java
+++ b/src/main/java/com/example/howmuch/service/user/OauthService.java
@@ -149,7 +149,7 @@ private UserOauthLoginResponseDto getOauthLoginResult(User user) {
                 .expiredTime(expireTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))) // 만료 Local Date Time
                 .refreshToken(refreshToken.getTokenValue())
                 .roleType(user.getRoleType().name())
-                .phoneExisted(user.getPhoneNumber() != null)
+                .phoneNumber(user.getPhoneNumber())
                 .build();
 
     }