diff --git a/Gemfile.lock b/Gemfile.lock
index 60f9d8a..7146645 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: git://github.com/sferik/rails_admin.git
-  revision: 086cfed1481bd9551262cbd4814a7fc260985cad
+  revision: 4e3014605b734f28942db836a2fc78692af05b10
   specs:
     rails_admin (0.0.1)
       bbenezech-nested_form (~> 0.0)
@@ -164,7 +164,7 @@ GEM
     uglifier (1.2.1)
       execjs (>= 0.3.0)
       multi_json (>= 1.0.2)
-    validates_formatting_of (0.3.7)
+    validates_formatting_of (0.4.0)
       rails (~> 3.0)
     warden (1.1.0)
       rack (>= 1.0)
diff --git a/app/models/user.rb b/app/models/user.rb
index 50673e6..d0b5a46 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -5,6 +5,8 @@ class User < ActiveRecord::Base
     :password, :password_confirmation, :remember_me, :sms_number, :state,
     :voice_number, :zip
   validates_format_of :email, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i
+  validates_formatting_of :sms_number, :using => :us_phone, :allow_blank => true
+  validates_formatting_of :voice_number, :using => :us_phone, :allow_blank => true
   validates_formatting_of :zip, :using => :us_zip, :allow_blank => true
   validates_presence_of :name
   has_many :reminders_to, :class_name => "Reminder", :foreign_key => "to_user_id"