diff --git a/src/main/java/com/assu/server/domain/chat/converter/ChatConverter.java b/src/main/java/com/assu/server/domain/chat/converter/ChatConverter.java
index b0b7877..3144f7e 100644
--- a/src/main/java/com/assu/server/domain/chat/converter/ChatConverter.java
+++ b/src/main/java/com/assu/server/domain/chat/converter/ChatConverter.java
@@ -26,6 +26,7 @@ public static ChatRoomListResultDTO toChatRoomResultDTO(ChatRoomListResultDTO re
                 .opponentId(request.getOpponentId())
                 .opponentName(request.getOpponentName())
                 .opponentProfileImage(request.getOpponentProfileImage())
+                .phoneNumber(request.getPhoneNumber())
                 .build();
     }
 
diff --git a/src/main/java/com/assu/server/domain/chat/dto/ChatRoomListResultDTO.java b/src/main/java/com/assu/server/domain/chat/dto/ChatRoomListResultDTO.java
index bfeb0b8..4e57cb8 100644
--- a/src/main/java/com/assu/server/domain/chat/dto/ChatRoomListResultDTO.java
+++ b/src/main/java/com/assu/server/domain/chat/dto/ChatRoomListResultDTO.java
@@ -19,4 +19,5 @@ public class ChatRoomListResultDTO {
     private Long opponentId;
     private String opponentName;
     private String opponentProfileImage;
+    private String phoneNumber;
 }
diff --git a/src/main/java/com/assu/server/domain/chat/repository/ChatRepository.java b/src/main/java/com/assu/server/domain/chat/repository/ChatRepository.java
index 8cdeb46..6579a90 100644
--- a/src/main/java/com/assu/server/domain/chat/repository/ChatRepository.java
+++ b/src/main/java/com/assu/server/domain/chat/repository/ChatRepository.java
@@ -46,7 +46,13 @@ SELECT MAX(m2.createdAt)
          WHEN am.id   IS NULL AND pm.id = :memberId THEN -1
          WHEN pm.id = :memberId THEN am.profileUrl
          ELSE pm.profileUrl
-       END
+       END,
+     CASE
+          WHEN pm.id   IS NULL AND am.id = :memberId THEN '-1'
+          WHEN am.id   IS NULL AND pm.id = :memberId THEN '-1'
+          WHEN pm.id = :memberId THEN am.phoneNum
+          ELSE pm.phoneNum
+        END
             )
             FROM ChattingRoom r
       LEFT JOIN r.partner p