diff --git a/homeassistant/components/envisalink/alarm_control_panel.py b/homeassistant/components/envisalink/alarm_control_panel.py
index 119608bbb2a..b962621edea 100644
--- a/homeassistant/components/envisalink/alarm_control_panel.py
+++ b/homeassistant/components/envisalink/alarm_control_panel.py
@@ -116,8 +116,9 @@ class EnvisalinkAlarm(EnvisalinkDevice, AlarmControlPanelEntity):
     ):
         """Initialize the alarm panel."""
         self._partition_number = partition_number
-        self._code = code
         self._panic_type = panic_type
+        self._alarm_control_panel_option_default_code = code
+        self._attr_code_format = CodeFormat.NUMBER
 
         _LOGGER.debug("Setting up alarm: %s", alarm_name)
         super().__init__(alarm_name, info, controller)
@@ -141,13 +142,6 @@ class EnvisalinkAlarm(EnvisalinkDevice, AlarmControlPanelEntity):
         if partition is None or int(partition) == self._partition_number:
             self.async_write_ha_state()
 
-    @property
-    def code_format(self) -> CodeFormat | None:
-        """Regex for code format or None if no code is required."""
-        if self._code:
-            return None
-        return CodeFormat.NUMBER
-
     @property
     def state(self) -> str:
         """Return the state of the device."""
@@ -169,34 +163,15 @@ class EnvisalinkAlarm(EnvisalinkDevice, AlarmControlPanelEntity):
 
     async def async_alarm_disarm(self, code: str | None = None) -> None:
         """Send disarm command."""
-        if code:
-            self.hass.data[DATA_EVL].disarm_partition(str(code), self._partition_number)
-        else:
-            self.hass.data[DATA_EVL].disarm_partition(
-                str(self._code), self._partition_number
-            )
+        self.hass.data[DATA_EVL].disarm_partition(code, self._partition_number)
 
     async def async_alarm_arm_home(self, code: str | None = None) -> None:
         """Send arm home command."""
-        if code:
-            self.hass.data[DATA_EVL].arm_stay_partition(
-                str(code), self._partition_number
-            )
-        else:
-            self.hass.data[DATA_EVL].arm_stay_partition(
-                str(self._code), self._partition_number
-            )
+        self.hass.data[DATA_EVL].arm_stay_partition(code, self._partition_number)
 
     async def async_alarm_arm_away(self, code: str | None = None) -> None:
         """Send arm away command."""
-        if code:
-            self.hass.data[DATA_EVL].arm_away_partition(
-                str(code), self._partition_number
-            )
-        else:
-            self.hass.data[DATA_EVL].arm_away_partition(
-                str(self._code), self._partition_number
-            )
+        self.hass.data[DATA_EVL].arm_away_partition(code, self._partition_number)
 
     async def async_alarm_trigger(self, code: str | None = None) -> None:
         """Alarm trigger command. Will be used to trigger a panic alarm."""
@@ -204,9 +179,7 @@ class EnvisalinkAlarm(EnvisalinkDevice, AlarmControlPanelEntity):
 
     async def async_alarm_arm_night(self, code: str | None = None) -> None:
         """Send arm night command."""
-        self.hass.data[DATA_EVL].arm_night_partition(
-            str(code) if code else str(self._code), self._partition_number
-        )
+        self.hass.data[DATA_EVL].arm_night_partition(code, self._partition_number)
 
     @callback
     def async_alarm_keypress(self, keypress=None):