diff --git a/app/src/main/java/keijumt/devandroid/api/response/mapper/PostCodeDataMapper.kt b/app/src/main/java/keijumt/devandroid/api/response/mapper/PostCodeDataMapper.kt
new file mode 100644
index 0000000..4adf611
--- /dev/null
+++ b/app/src/main/java/keijumt/devandroid/api/response/mapper/PostCodeDataMapper.kt
@@ -0,0 +1,13 @@
+package keijumt.devandroid.api.response.mapper
+
+import keijumt.devandroid.api.response.PostalCode
+import keijumt.devandroid.db.entity.AddressEntity
+
+fun PostalCode.toAddressEntity(): AddressEntity {
+    return AddressEntity(
+            postalCode = results!!.get(0).zipcode,
+            address = results!!.get(0).address1 + results!!.get(0).address2 + results!!.get(0).address3,
+            kana = results!!.get(0).kana1 + results!!.get(0).kana2 + results!!.get(0).kana3,
+            prefCode = results!!.get(0).prefcode.toInt()
+    )
+}
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