diff --git a/Feature-Matrix.md b/Feature-Matrix.md
index 9673aef..26f0137 100644
--- a/Feature-Matrix.md
+++ b/Feature-Matrix.md
@@ -7,11 +7,12 @@
 | getUserStatus                       | ✅ | ✅ | ✅<sup>1, 13</sup>
 | joinGroup                           | ✅ | ❌ | ✅
 | link                                | ✅ | ❌ | ✅
-| listContacts                        | ✅ | ❌ | ❔
+| listContacts                        | ✅ | ❌ | ✅<sup>15</sup>
+| >    isContactBlocked               | ✅ | ✅ | ✅
+| >    listNumbers                    | ✅ | ❌ | ✅
 | listDevices                         | ✅ | ❌ | ❔
 | listGroups                          | ✅ | ✅ | ✅
 | listIdentities                      | ✅ | ❌ | ❔
-| >    listNumbers                    | ✅ | ❌ | ✅
 | >    listAccounts                   | ✅ | ❌ | ✅
 | quitGroup                           | ✅ | ❌ | ✅
 | receive                             | ✅ | ✅ | ✅
@@ -90,7 +91,6 @@
 | getSender                          | ✅ | ✅ | ✅
 | getSource                          | ✅ | ✅ | ✅
 | getTimestamp                       | ✅ | ✅ | ✅
-| isContactBlocked                   | ✅ | ✅ | ✅
 | isGroupBlocked                     | ✅ | ✅ | ✅
 | isMember                           | ✅ | ✅ | ✅
 | isRegistered                       | ✅ | ✅ | ✅
@@ -158,3 +158,4 @@
 12. Provided via the `--captcha` option
 13. Provided via the `isRegistered` command
 14. Provided via the `--pin` option
+15. Provided indirectly by the `listNumbers` command, which returns an array of contact numbers, followed by a series of calls to the `isContactBlocked` command 
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