diff --git a/lib/phone/ao.ex b/lib/phone/ao.ex
index f49aff7..56492f7 100644
--- a/lib/phone/ao.ex
+++ b/lib/phone/ao.ex
@@ -3,7 +3,7 @@ defmodule Phone.AO do
 
   use Helper.Country
 
-  def regex, do: ~r/^(244)()(9)/
+  def regex, do: ~r/^(244)()(.{9})/
   def country, do: "Angola"
   def a2, do: "AO"
   def a3, do: "AGO"
diff --git a/test/phone/a_countries/ao_test.exs b/test/phone/a_countries/ao_test.exs
index b789f28..fd6e788 100644
--- a/test/phone/a_countries/ao_test.exs
+++ b/test/phone/a_countries/ao_test.exs
@@ -6,8 +6,8 @@ defmodule Phone.AOTest do
   Enum.map(main_module.codes,
     fn code ->
       test "#{inspect main_module} parses area code #{code}" do
-        assert Phone.valid?(unquote("#{code}9"))
-        assert {:ok, parsed} = Phone.parse(unquote("#{code}9"))
+        assert Phone.valid?(unquote("#{code}555555555"))
+        assert {:ok, parsed} = Phone.parse(unquote("#{code}555555555"))
 
         assert parsed.country == unquote(main_module).country
         assert parsed.a2 == unquote(main_module).a2