diff --git a/lib/iso_country_codes/calling.rb b/lib/iso_country_codes/calling.rb
index 22f72aa..597b4a3 100644
--- a/lib/iso_country_codes/calling.rb
+++ b/lib/iso_country_codes/calling.rb
@@ -472,7 +472,7 @@ class GIB < Code #:nodoc:
       self.calling = '+350'
     end
     class NER < Code #:nodoc:
-      self.calling = '+277'
+      self.calling = '+227'
     end
     class HTI < Code #:nodoc:
       self.calling = '+509'