diff --git a/apprise/utils.py b/apprise/utils.py
index f07bb2cf..31647ce7 100644
--- a/apprise/utils.py
+++ b/apprise/utils.py
@@ -294,7 +294,7 @@ def is_uuid(uuid):
     return True if match else False
 
 
-def is_phone_no(phone, min_len=11):
+def is_phone_no(phone, min_len=10):
     """Determine if the specified entry is a phone number
 
     Args:
diff --git a/test/test_plugin_clicksend.py b/test/test_plugin_clicksend.py
index 7e98573c..df5ef082 100644
--- a/test/test_plugin_clicksend.py
+++ b/test/test_plugin_clicksend.py
@@ -39,7 +39,7 @@ apprise_url_tests = (
         # We failed to identify any valid authentication
         'instance': TypeError,
     }),
-    ('clicksend://user:pass@{}/{}/{}'.format('1' * 10, '2' * 15, 'a' * 13), {
+    ('clicksend://user:pass@{}/{}/{}'.format('1' * 9, '2' * 15, 'a' * 13), {
         # invalid target numbers; we'll fail to notify anyone
         'instance': plugins.NotifyClickSend,
         'notify_response': False,
diff --git a/test/test_plugin_d7networks.py b/test/test_plugin_d7networks.py
index 3f6a758d..4df33bd9 100644
--- a/test/test_plugin_d7networks.py
+++ b/test/test_plugin_d7networks.py
@@ -39,7 +39,7 @@ apprise_url_tests = (
         # We failed to identify any valid authentication
         'instance': TypeError,
     }),
-    ('d7sms://user:pass@{}/{}/{}'.format('1' * 10, '2' * 15, 'a' * 13), {
+    ('d7sms://user:pass@{}/{}/{}'.format('1' * 9, '2' * 15, 'a' * 13), {
         # No valid targets to notify
         'instance': plugins.NotifyD7Networks,
         # Since there are no targets specified we expect a False return on