diff --git a/django/contrib/localflavor/usa/us_states.py b/django/contrib/localflavor/usa/us_states.py
index 53337636455..89124a4b69a 100644
--- a/django/contrib/localflavor/usa/us_states.py
+++ b/django/contrib/localflavor/usa/us_states.py
@@ -32,6 +32,7 @@ STATE_CHOICES = (
     ('ME', 'Maine'),
     ('MH', 'Marshall Islands'),
     ('MD', 'Maryland'),
+    ('MA', 'Massachusetts'),
     ('MI', 'Michigan'),
     ('MN', 'Minnesota'),
     ('MS', 'Mississippi'),
@@ -235,4 +236,4 @@ STATES_NORMALIZED = {
     'wy': 'WY',
     'wyo': 'WY',
     'wyoming': 'WY',
-}
\ No newline at end of file
+}