diff --git a/app/models/verification/letter.rb b/app/models/verification/letter.rb
index a64fe7220..6a5745de2 100644
--- a/app/models/verification/letter.rb
+++ b/app/models/verification/letter.rb
@@ -22,6 +22,18 @@ class Verification::Letter
   end
 
   def verify?
+    letter_sent?
+    correct_code?
+    errors.blank?
+  end
+
+  def letter_sent?
+    errors.add(:verification_code, I18n.t('verification.letter.errors.letter_not_sent')) unless
+    user.letter_sent_at.present?
+  end
+
+  def correct_code?
+    errors.add(:verification_code, I18n.t('verification.letter.errors.incorect_code')) unless
     user.letter_verification_code == verification_code
   end
 
diff --git a/config/locales/verification.en.yml b/config/locales/verification.en.yml
index 3480d5a4c..aa231298f 100644
--- a/config/locales/verification.en.yml
+++ b/config/locales/verification.en.yml
@@ -78,12 +78,15 @@ en:
         title: "Security code confirmation"
         confirmation_code: "Enter the security code in your letter"
       update:
-        error: "Incorrect confirmation code"
         flash:
           success: "Correct code. Your account is verified"
       alert:
         unconfirmed_code: "You have not yet enter the confirmation code"
         verify_attemps_left: "You have reached the maximum number of letter verification tries"
+      errors:
+        letter_not_sent: "We have not sent you the letter with the code yet"
+        incorect_code: "Incorrect confirmation code"
+        address_not_found: "Address not found"
     verified_user:
       show:
         title: "Available information"
diff --git a/config/locales/verification.es.yml b/config/locales/verification.es.yml
index e500bc33d..13263c5fb 100644
--- a/config/locales/verification.es.yml
+++ b/config/locales/verification.es.yml
@@ -78,12 +78,18 @@ es:
         title: "Confirmación de código de seguridad"
         confirmation_code: "Introduce el código que has recibido en tu carta"
       update:
-        error: "Código de verificación incorrecto"
         flash:
           success: "Código correcto. Tu cuenta ya está verificada"
       alert:
         unconfirmed_code: "Todavía no has introducido el código de confirmación"
+<<<<<<< HEAD
         verify_attemps_left: "Has llegado al máximo número de intentos de verificar tu carta."
+=======
+      errors:
+        letter_not_sent: "Aún no te hemos enviado la carta con el código"
+        incorect_code: "Código de verificación incorrecto"
+        address_not_found: "No se ha encontrado una dirección"
+>>>>>>> adds validation error for letter verification code [#395]
     verified_user:
       show:
         title: "Información disponible"