diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java b/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java
index d4f458b..d2cf7fb 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/CustomListViewAdapter.java
@@ -13,6 +13,7 @@ import androidx.recyclerview.widget.RecyclerView;
 import java.util.Collections;
 import java.util.List;
 
+import dummydomain.yetanothercallblocker.data.SiaNumberCategoryUtils;
 import dummydomain.yetanothercallblocker.sia.model.CommunityReview;
 
 class CustomListViewAdapter extends RecyclerView.Adapter<CustomListViewAdapter.CommunityReviewViewHolder> {
@@ -55,7 +56,7 @@ class CustomListViewAdapter extends RecyclerView.Adapter<CustomListViewAdapter.C
         }
 
         public void bind(CommunityReview item) {
-            tvNumberCategory.setText(item.getCategory().getStringId());
+            tvNumberCategory.setText(SiaNumberCategoryUtils.getNameResId(item.getCategory()));
             String title = item.getTitle();
             if (TextUtils.isEmpty(title)) {
                 tvTitle.setVisibility(View.GONE);
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java b/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java
index 1393c2d..b4b3528 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/DebugActivity.java
@@ -16,6 +16,7 @@ import org.greenrobot.eventbus.ThreadMode;
 import java.util.Date;
 
 import dummydomain.yetanothercallblocker.data.DatabaseSingleton;
+import dummydomain.yetanothercallblocker.data.SiaNumberCategoryUtils;
 import dummydomain.yetanothercallblocker.event.SecondaryDbUpdateFinished;
 import dummydomain.yetanothercallblocker.sia.model.NumberCategory;
 import dummydomain.yetanothercallblocker.sia.model.database.CommunityDatabase;
@@ -86,7 +87,7 @@ public class DebugActivity extends AppCompatActivity {
 
                     NumberCategory category = NumberCategory.getById(item.getCategory());
                     if (category != null) {
-                        string += DebugActivity.this.getString(category.getStringId());
+                        string += SiaNumberCategoryUtils.getName(DebugActivity.this, category);
                     } else {
                         string += "category=" + item.getCategory() + "\n";
                     }
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/InfoDialogHelper.java b/app/src/main/java/dummydomain/yetanothercallblocker/InfoDialogHelper.java
index 7b1262f..b152a38 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/InfoDialogHelper.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/InfoDialogHelper.java
@@ -11,6 +11,7 @@ import android.widget.TextView;
 import androidx.appcompat.app.AlertDialog;
 
 import dummydomain.yetanothercallblocker.data.NumberInfo;
+import dummydomain.yetanothercallblocker.data.SiaNumberCategoryUtils;
 import dummydomain.yetanothercallblocker.sia.model.NumberCategory;
 
 import static dummydomain.yetanothercallblocker.IntentHelper.clearTop;
@@ -32,7 +33,7 @@ public class InfoDialogHelper {
                 : null;
 
         if (category != null && category != NumberCategory.NONE) {
-            categoryView.setText(NumberCategory.getString(context, category));
+            categoryView.setText(SiaNumberCategoryUtils.getName(context, category));
         } else {
             categoryView.setVisibility(View.GONE);
         }
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java b/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java
index e5df175..c5f9f42 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/NotificationHelper.java
@@ -17,6 +17,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import dummydomain.yetanothercallblocker.data.NumberInfo;
+import dummydomain.yetanothercallblocker.data.SiaNumberCategoryUtils;
 import dummydomain.yetanothercallblocker.sia.model.NumberCategory;
 import dummydomain.yetanothercallblocker.sia.model.database.CommunityDatabaseItem;
 
@@ -135,7 +136,7 @@ public class NotificationHelper {
 
             NumberCategory category = NumberCategory.getById(communityItem.getCategory());
             if (category != null && category != NumberCategory.NONE) {
-                title += " - " + NumberCategory.getString(context, category);
+                title += " - " + SiaNumberCategoryUtils.getName(context, category);
             }
         }
 
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/data/SiaNumberCategoryUtils.java b/app/src/main/java/dummydomain/yetanothercallblocker/data/SiaNumberCategoryUtils.java
new file mode 100644
index 0000000..9fd7bec
--- /dev/null
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/data/SiaNumberCategoryUtils.java
@@ -0,0 +1,50 @@
+package dummydomain.yetanothercallblocker.data;
+
+import android.content.Context;
+
+import androidx.annotation.StringRes;
+
+import dummydomain.yetanothercallblocker.R;
+import dummydomain.yetanothercallblocker.sia.model.NumberCategory;
+
+public class SiaNumberCategoryUtils {
+
+    public static String getName(Context context, NumberCategory category) {
+        return context.getString(getNameResId(category));
+    }
+
+    @StringRes
+    public static int getNameResId(NumberCategory category) {
+        if (category == null) {
+            return R.string.sia_category_none;
+        }
+
+        switch (category) {
+            case NONE: return R.string.sia_category_none;
+            case TELEMARKETER: return R.string.sia_category_telemarketer;
+            case DEPT_COLLECTOR: return R.string.sia_category_dept_collector;
+            case SILENT_CALL: return R.string.sia_category_silent;
+            case NUISANCE_CALL: return R.string.sia_category_nuisance;
+            case UNSOLICITED_CALL: return R.string.sia_category_unsolicited;
+            case CALL_CENTER: return R.string.sia_category_call_center;
+            case FAX_MACHINE: return R.string.sia_category_fax;
+            case NON_PROFIT: return R.string.sia_category_nonprofit;
+            case POLITICAL: return R.string.sia_category_political;
+            case SCAM: return R.string.sia_category_scam;
+            case PRANK: return R.string.sia_category_prank;
+            case SMS: return R.string.sia_category_sms;
+            case SURVEY: return R.string.sia_category_survey;
+            case OTHER: return R.string.sia_category_other;
+            case FINANCE_SERVICE: return R.string.sia_category_financial_service;
+            case COMPANY: return R.string.sia_category_company;
+            case SERVICE: return R.string.sia_category_service;
+            case ROBOCALL: return R.string.sia_category_robocall;
+            // TODO: check: these are probably not present in the db
+            case SAFE_PERSONAL: return R.string.sia_category_safe_personal;
+            case SAFE_COMPANY: return R.string.sia_category_safe_company;
+            case SAFE_NONPROFIT: return R.string.sia_category_safe_nonprofit;
+            default: throw new RuntimeException("Category not implemented: " + category);
+        }
+    }
+
+}
diff --git a/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java b/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java
index ffbb1a6..b3aa751 100644
--- a/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java
+++ b/app/src/main/java/dummydomain/yetanothercallblocker/sia/model/NumberCategory.java
@@ -1,52 +1,41 @@
 package dummydomain.yetanothercallblocker.sia.model;
 
-import android.content.Context;
-import androidx.annotation.StringRes;
-
-import dummydomain.yetanothercallblocker.R;
-
 public enum NumberCategory {
 
-    NONE(0, R.string.sia_category_none),
-    TELEMARKETER(1, R.string.sia_category_telemarketer),
-    DEPT_COLLECTOR(2, R.string.sia_category_dept_collector),
-    SILENT_CALL(3, R.string.sia_category_silent),
-    NUISANCE_CALL(4, R.string.sia_category_nuisance),
-    UNSOLICITED_CALL(5, R.string.sia_category_unsolicited),
-    CALL_CENTER(6, R.string.sia_category_call_center),
-    FAX_MACHINE(7, R.string.sia_category_fax),
-    NON_PROFIT(8, R.string.sia_category_nonprofit),
-    POLITICAL(9, R.string.sia_category_political),
-    SCAM(10, R.string.sia_category_scam),
-    PRANK(11, R.string.sia_category_prank),
-    SMS(12, R.string.sia_category_sms),
-    SURVEY(13, R.string.sia_category_survey),
-    OTHER(14, R.string.sia_category_other),
-    FINANCE_SERVICE(15, R.string.sia_category_financial_service),
-    COMPANY(16, R.string.sia_category_company),
-    SERVICE(17, R.string.sia_category_service),
-    ROBOCALL(18, R.string.sia_category_robocall),
+    NONE(0),
+    TELEMARKETER(1),
+    DEPT_COLLECTOR(2),
+    SILENT_CALL(3),
+    NUISANCE_CALL(4),
+    UNSOLICITED_CALL(5),
+    CALL_CENTER(6),
+    FAX_MACHINE(7),
+    NON_PROFIT(8),
+    POLITICAL(9),
+    SCAM(10),
+    PRANK(11),
+    SMS(12),
+    SURVEY(13),
+    OTHER(14),
+    FINANCE_SERVICE(15),
+    COMPANY(16),
+    SERVICE(17),
+    ROBOCALL(18),
     // TODO: check: these are probably not present in the db
-    SAFE_PERSONAL(100, R.string.sia_category_safe_personal),
-    SAFE_COMPANY(101, R.string.sia_category_safe_company),
-    SAFE_NONPROFIT(102, R.string.sia_category_safe_nonprofit);
+    SAFE_PERSONAL(100),
+    SAFE_COMPANY(101),
+    SAFE_NONPROFIT(102);
 
     private int id;
-    private @StringRes int stringId;
 
-    NumberCategory(int id, int stringId) {
+    NumberCategory(int id) {
         this.id = id;
-        this.stringId = stringId;
     }
 
     public int getId() {
         return id;
     }
 
-    public @StringRes int getStringId() {
-        return stringId;
-    }
-
     public static NumberCategory getById(int id) {
         for (NumberCategory category : values()) {
             if (category.getId() == id) return category;
@@ -54,11 +43,4 @@ public enum NumberCategory {
         return null;
     }
 
-    public static String getString(Context context, NumberCategory category) {
-        @StringRes int stringId = category != null
-                ? category.getStringId() : R.string.sia_category_none;
-
-        return context.getString(stringId);
-    }
-
 }