diff --git a/CHANGELOG.md b/CHANGELOG.md
index e872a1b..b403234 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 - **Added** configuration settings for bridging specific channels
 - **Fixed** companion radio decoding to be more robust
 - **Added** `channel_index` key to `external_message` dict
+- **Added** Meshtastic ID to messages bridged to MeshCore
 ---
 
 ## Version 2.0.0 - Comprehensive Code Review and Enhancements (December 31, 2025)
diff --git a/ammb/meshcore_handler.py b/ammb/meshcore_handler.py
index 0fe7675..f0fa394 100644
--- a/ammb/meshcore_handler.py
+++ b/ammb/meshcore_handler.py
@@ -627,6 +627,10 @@ class MeshcoreHandler:
         # CMD_SEND_CHANNEL_TXT_MSG (3)
         txt_type = 0
         channel_idx = int(item.get("channel_index", 0))
+        sender_meshtastic_id = item.get("sender_meshtastic_id", "Unknown")
+
+        # Prepend Meshtastic ID to outgoing MeshCore message
+        payload = f"{sender_meshtastic_id}: {payload}"
 
         if self.config.meshtastic_channel_index is not None and self.config.meshcore_channel_index is not None:
             if channel_idx == self.config.meshtastic_channel_index:
@@ -642,4 +646,4 @@ class MeshcoreHandler:
         encoded = self.protocol_handler.encode({"payload": cmd_payload})
         if not encoded:
             self.logger.warning("Failed to encode companion text message.")
-        return encoded
\ No newline at end of file
+        return encoded