diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/activities/SettingsActivity.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/activities/SettingsActivity.kt
index 42422c8f..2df09385 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/activities/SettingsActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/activities/SettingsActivity.kt
@@ -35,6 +35,7 @@ class SettingsActivity : SimpleActivity() {
         setupShowInfoBubble()
         setupShowContactThumbnails()
         setupShowPhoneNumbers()
+        setupShowContactsWithNumbers()
         setupStartNameWithSurname()
         setupUse24HourTimeFormat()
         setupFilterDuplicates()
@@ -110,6 +111,14 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupShowContactsWithNumbers() {
+        settings_show_only_contacts_with_numbers.isChecked = config.showOnlyContactsWithNumbers
+        settings_show_only_contacts_with_numbers_holder.setOnClickListener {
+            settings_show_only_contacts_with_numbers.toggle()
+            config.showOnlyContactsWithNumbers = settings_show_only_contacts_with_numbers.isChecked
+        }
+    }
+
     private fun setupStartNameWithSurname() {
         settings_start_with_surname.isChecked = config.startNameWithSurname
         settings_start_with_surname_holder.setOnClickListener {
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt
index 2f483619..6c16f433 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt
@@ -104,7 +104,7 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
         }
 
         if (config.lastUsedContactSource.isEmpty()) {
-            val grouped = contacts.groupBy { it.source }.maxWith(compareBy { it.value.size })
+            val grouped = contacts.asSequence().groupBy { it.source }.maxWith(compareBy { it.value.size })
             config.lastUsedContactSource = grouped?.key ?: ""
         }
 
@@ -154,7 +154,7 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
             }
         }
 
-        storedGroups = storedGroups.sortedWith(compareBy { it.title }).toMutableList() as ArrayList<Group>
+        storedGroups = storedGroups.asSequence().sortedWith(compareBy { it.title }).toMutableList() as ArrayList<Group>
 
         fragment_placeholder_2.beVisibleIf(storedGroups.isEmpty())
         fragment_placeholder.beVisibleIf(storedGroups.isEmpty())
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt
index 2370665b..ae605eb7 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Config.kt
@@ -20,6 +20,10 @@ class Config(context: Context) : BaseConfig(context) {
         get() = prefs.getBoolean(SHOW_PHONE_NUMBERS, false)
         set(showPhoneNumbers) = prefs.edit().putBoolean(SHOW_PHONE_NUMBERS, showPhoneNumbers).apply()
 
+    var showOnlyContactsWithNumbers: Boolean
+        get() = prefs.getBoolean(SHOW_ONLY_CONTACTS_WITH_NUMBERS, false)
+        set(showOnlyContactsWithNumbers) = prefs.edit().putBoolean(SHOW_ONLY_CONTACTS_WITH_NUMBERS, showOnlyContactsWithNumbers).apply()
+
     var startNameWithSurname: Boolean
         get() = prefs.getBoolean(START_NAME_WITH_SURNAME, false)
         set(startNameWithSurname) = prefs.edit().putBoolean(START_NAME_WITH_SURNAME, startNameWithSurname).apply()
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt
index 859347fd..ba870934 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt
@@ -5,6 +5,7 @@ import android.provider.ContactsContract.CommonDataKinds
 // shared prefs
 const val SHOW_CONTACT_THUMBNAILS = "show_contact_thumbnails"
 const val SHOW_PHONE_NUMBERS = "show_phone_numbers"
+const val SHOW_ONLY_CONTACTS_WITH_NUMBERS = "show_only_contacts_with_numbers"
 const val IGNORED_CONTACT_SOURCES = "ignored_contact_sources"
 const val START_NAME_WITH_SURNAME = "start_name_with_surname"
 const val LAST_USED_CONTACT_SOURCE = "last_used_contact_source"
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt
index d5fb496a..a931c6f4 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt
@@ -43,9 +43,20 @@ class ContactsHelper(val activity: Activity) {
             }
 
             val contactsSize = contacts.size()
+            val showOnlyContactsWithNumbers = activity.config.showOnlyContactsWithNumbers
             var tempContacts = ArrayList<Contact>(contactsSize)
             val resultContacts = ArrayList<Contact>(contactsSize)
-            (0 until contactsSize).mapTo(tempContacts) { contacts.valueAt(it) }
+
+            (0 until contactsSize).filter {
+                if (showOnlyContactsWithNumbers) {
+                    contacts.valueAt(it).phoneNumbers.isNotEmpty()
+                } else {
+                    true
+                }
+            }.mapTo(tempContacts) {
+                contacts.valueAt(it)
+            }
+
             if (activity.config.filterDuplicates) {
                 tempContacts = tempContacts.distinctBy {
                     it.getHashToCompare()
diff --git a/app/src/main/res/layout/activity_settings.xml b/app/src/main/res/layout/activity_settings.xml
index 39463477..3e231816 100644
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@@ -220,6 +220,30 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_show_only_contacts_with_numbers_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingRight="@dimen/normal_margin"
+            android:paddingBottom="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MySwitchCompat
+                android:id="@+id/settings_show_only_contacts_with_numbers"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@null"
+                android:clickable="false"
+                android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
+                android:text="@string/show_only_contacts_with_numbers"
+                app:switchPadding="@dimen/medium_margin"/>
+
+        </RelativeLayout>
+
         <RelativeLayout
             android:id="@+id/settings_start_with_surname_holder"
             android:layout_width="match_parent"