diff --git a/SPMS.API/Controllers/MessageController.cs b/SPMS.API/Controllers/MessageController.cs
index 60f66f4..eedbab8 100644
--- a/SPMS.API/Controllers/MessageController.cs
+++ b/SPMS.API/Controllers/MessageController.cs
@@ -32,10 +32,10 @@ public class MessageController : ControllerBase
     }
 
     [HttpPost("list")]
-    [SwaggerOperation(Summary = "메시지 목록 조회", Description = "서비스별 메시지 목록을 페이지 단위로 조회합니다.")]
+    [SwaggerOperation(Summary = "메시지 목록 조회", Description = "메시지 목록을 페이지 단위로 조회합니다. X-Service-Code 헤더가 있으면 해당 서비스만, 없으면 전체 서비스 메시지를 반환합니다. send_status 필터(complete/pending/failed)를 지원합니다.")]
     public async Task<IActionResult> GetListAsync([FromBody] MessageListRequestDto request)
     {
-        var serviceId = GetServiceId();
+        var serviceId = GetServiceIdOrNull();
         var result = await _messageService.GetListAsync(serviceId, request);
         return Ok(ApiResponse<MessageListResponseDto>.Success(result));
     }
@@ -83,6 +83,13 @@ public class MessageController : ControllerBase
         throw new SpmsException(ErrorCodes.BadRequest, "서비스 식별 정보가 없습니다.", 400);
     }
 
+    private long? GetServiceIdOrNull()
+    {
+        if (HttpContext.Items.TryGetValue("ServiceId", out var serviceIdObj) && serviceIdObj is long serviceId)
+            return serviceId;
+        return null;
+    }
+
     private long GetAdminId()
     {
         var adminIdClaim = User.FindFirst("adminId")?.Value;
diff --git a/SPMS.API/Middlewares/ServiceCodeMiddleware.cs b/SPMS.API/Middlewares/ServiceCodeMiddleware.cs
index 781d481..f582ba1 100644
--- a/SPMS.API/Middlewares/ServiceCodeMiddleware.cs
+++ b/SPMS.API/Middlewares/ServiceCodeMiddleware.cs
@@ -31,7 +31,8 @@ public class ServiceCodeMiddleware
 
         // === OPTIONAL_FOR_ADMIN: 관리자는 X-Service-Code 선택 ===
         if (path.StartsWithSegments("/v1/in/stats") ||
-            path.StartsWithSegments("/v1/in/device/list"))
+            path.StartsWithSegments("/v1/in/device/list") ||
+            path.StartsWithSegments("/v1/in/message/list"))
         {
             if (context.Request.Headers.TryGetValue("X-Service-Code", out var optionalCode) &&
                 !string.IsNullOrWhiteSpace(optionalCode))
diff --git a/SPMS.Application/DTOs/Message/MessageListRequestDto.cs b/SPMS.Application/DTOs/Message/MessageListRequestDto.cs
index 5e44cbe..b423db7 100644
--- a/SPMS.Application/DTOs/Message/MessageListRequestDto.cs
+++ b/SPMS.Application/DTOs/Message/MessageListRequestDto.cs
@@ -15,4 +15,10 @@ public class MessageListRequestDto
 
     [JsonPropertyName("is_active")]
     public bool? IsActive { get; set; }
+
+    [JsonPropertyName("service_code")]
+    public string? ServiceCode { get; set; }
+
+    [JsonPropertyName("send_status")]
+    public string? SendStatus { get; set; }
 }
diff --git a/SPMS.Application/DTOs/Message/MessageListResponseDto.cs b/SPMS.Application/DTOs/Message/MessageListResponseDto.cs
index 74f2b04..e216a34 100644
--- a/SPMS.Application/DTOs/Message/MessageListResponseDto.cs
+++ b/SPMS.Application/DTOs/Message/MessageListResponseDto.cs
@@ -25,4 +25,13 @@ public class MessageSummaryDto
 
     [JsonPropertyName("created_at")]
     public DateTime CreatedAt { get; set; }
+
+    [JsonPropertyName("service_name")]
+    public string ServiceName { get; set; } = string.Empty;
+
+    [JsonPropertyName("service_code")]
+    public string ServiceCode { get; set; } = string.Empty;
+
+    [JsonPropertyName("latest_send_status")]
+    public string LatestSendStatus { get; set; } = "pending";
 }
diff --git a/SPMS.Application/Interfaces/IMessageService.cs b/SPMS.Application/Interfaces/IMessageService.cs
index b410ab2..1d86fdd 100644
--- a/SPMS.Application/Interfaces/IMessageService.cs
+++ b/SPMS.Application/Interfaces/IMessageService.cs
@@ -5,7 +5,7 @@ namespace SPMS.Application.Interfaces;
 public interface IMessageService
 {
     Task<MessageSaveResponseDto> SaveAsync(long serviceId, long adminId, MessageSaveRequestDto request);
-    Task<MessageListResponseDto> GetListAsync(long serviceId, MessageListRequestDto request);
+    Task<MessageListResponseDto> GetListAsync(long? serviceId, MessageListRequestDto request);
     Task<MessageInfoResponseDto> GetInfoAsync(long serviceId, MessageInfoRequestDto request);
     Task DeleteAsync(long serviceId, MessageDeleteRequestDto request);
     Task<MessagePreviewResponseDto> PreviewAsync(long serviceId, MessagePreviewRequestDto request);
diff --git a/SPMS.Application/Services/MessageService.cs b/SPMS.Application/Services/MessageService.cs
index 792b34f..509abca 100644
--- a/SPMS.Application/Services/MessageService.cs
+++ b/SPMS.Application/Services/MessageService.cs
@@ -63,26 +63,28 @@ public class MessageService : IMessageService
         };
     }
 
-    public async Task<MessageListResponseDto> GetListAsync(long serviceId, MessageListRequestDto request)
+    public async Task<MessageListResponseDto> GetListAsync(long? serviceId, MessageListRequestDto request)
     {
         var page = Math.Max(1, request.Page);
         var size = Math.Clamp(request.Size, 1, 100);
 
-        var (items, totalCount) = await _messageRepository.GetPagedByServiceAsync(
+        var (items, totalCount) = await _messageRepository.GetPagedForListAsync(
             serviceId, page, size,
-            m => (request.Keyword == null || m.Title.Contains(request.Keyword) || m.Body.Contains(request.Keyword))
-                && (request.IsActive == null || m.IsDeleted != request.IsActive));
+            request.Keyword, request.IsActive, request.SendStatus);
 
         var totalPages = (int)Math.Ceiling((double)totalCount / size);
 
         return new MessageListResponseDto
         {
-            Items = items.Select(m => new MessageSummaryDto
+            Items = items.Select(p => new MessageSummaryDto
             {
-                MessageCode = m.MessageCode,
-                Title = m.Title,
-                IsActive = !m.IsDeleted,
-                CreatedAt = m.CreatedAt
+                MessageCode = p.MessageCode,
+                Title = p.Title,
+                IsActive = p.IsActive,
+                CreatedAt = p.CreatedAt,
+                ServiceName = p.ServiceName,
+                ServiceCode = p.ServiceCode,
+                LatestSendStatus = DetermineSendStatus(p.TotalSendCount, p.SuccessCount)
             }).ToList(),
             Pagination = new PaginationDto
             {
@@ -94,6 +96,12 @@ public class MessageService : IMessageService
         };
     }
 
+    private static string DetermineSendStatus(int totalSend, int successCount)
+    {
+        if (totalSend == 0) return "pending";
+        return successCount > 0 ? "complete" : "failed";
+    }
+
     public async Task<MessageInfoResponseDto> GetInfoAsync(long serviceId, MessageInfoRequestDto request)
     {
         if (string.IsNullOrWhiteSpace(request.MessageCode))
diff --git a/SPMS.Domain/Interfaces/IMessageRepository.cs b/SPMS.Domain/Interfaces/IMessageRepository.cs
index 0e71b48..419244e 100644
--- a/SPMS.Domain/Interfaces/IMessageRepository.cs
+++ b/SPMS.Domain/Interfaces/IMessageRepository.cs
@@ -11,4 +11,19 @@ public interface IMessageRepository : IRepository<Message>
     Task<(IReadOnlyList<Message> Items, int TotalCount)> GetPagedByServiceAsync(
         long serviceId, int page, int size,
         Expression<Func<Message, bool>>? predicate = null);
+    Task<(IReadOnlyList<MessageListProjection> Items, int TotalCount)> GetPagedForListAsync(
+        long? serviceId, int page, int size,
+        string? keyword = null, bool? isActive = null, string? sendStatus = null);
+}
+
+public class MessageListProjection
+{
+    public string MessageCode { get; set; } = string.Empty;
+    public string Title { get; set; } = string.Empty;
+    public bool IsActive { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public string ServiceName { get; set; } = string.Empty;
+    public string ServiceCode { get; set; } = string.Empty;
+    public int TotalSendCount { get; set; }
+    public int SuccessCount { get; set; }
 }
diff --git a/SPMS.Infrastructure/Persistence/Repositories/MessageRepository.cs b/SPMS.Infrastructure/Persistence/Repositories/MessageRepository.cs
index cbcff91..91e7244 100644
--- a/SPMS.Infrastructure/Persistence/Repositories/MessageRepository.cs
+++ b/SPMS.Infrastructure/Persistence/Repositories/MessageRepository.cs
@@ -1,6 +1,7 @@
 using System.Linq.Expressions;
 using Microsoft.EntityFrameworkCore;
 using SPMS.Domain.Entities;
+using SPMS.Domain.Enums;
 using SPMS.Domain.Interfaces;
 
 namespace SPMS.Infrastructure.Persistence.Repositories;
@@ -52,4 +53,50 @@ public class MessageRepository : Repository<Message>, IMessageRepository
 
         return (items, totalCount);
     }
+
+    public async Task<(IReadOnlyList<MessageListProjection> Items, int TotalCount)> GetPagedForListAsync(
+        long? serviceId, int page, int size,
+        string? keyword = null, bool? isActive = null, string? sendStatus = null)
+    {
+        var query = _dbSet.Where(m => !m.IsDeleted);
+
+        if (serviceId.HasValue)
+            query = query.Where(m => m.ServiceId == serviceId.Value);
+
+        if (!string.IsNullOrWhiteSpace(keyword))
+            query = query.Where(m => m.Title.Contains(keyword) || m.Body.Contains(keyword));
+
+        if (isActive.HasValue)
+            query = query.Where(m => m.IsDeleted != isActive.Value);
+
+        var projected = query.Select(m => new MessageListProjection
+        {
+            MessageCode = m.MessageCode,
+            Title = m.Title,
+            IsActive = !m.IsDeleted,
+            CreatedAt = m.CreatedAt,
+            ServiceName = m.Service.ServiceName,
+            ServiceCode = m.Service.ServiceCode,
+            TotalSendCount = _context.PushSendLogs.Count(l => l.MessageId == m.Id),
+            SuccessCount = _context.PushSendLogs.Count(l => l.MessageId == m.Id && l.Status == PushResult.Success)
+        });
+
+        // 발송 상태 필터
+        if (sendStatus == "complete")
+            projected = projected.Where(p => p.SuccessCount > 0);
+        else if (sendStatus == "failed")
+            projected = projected.Where(p => p.TotalSendCount > 0 && p.SuccessCount == 0);
+        else if (sendStatus == "pending")
+            projected = projected.Where(p => p.TotalSendCount == 0);
+
+        var totalCount = await projected.CountAsync();
+
+        var items = await projected
+            .OrderByDescending(p => p.CreatedAt)
+            .Skip((page - 1) * size)
+            .Take(size)
+            .ToListAsync();
+
+        return (items, totalCount);
+    }
 }