diff --git a/packages/utils/phoneNumberKorean.ts b/packages/utils/phoneNumberKorean.ts
new file mode 100644
index 0000000..3040113
--- /dev/null
+++ b/packages/utils/phoneNumberKorean.ts
@@ -0,0 +1,15 @@
+export default class PhoneNumberKorean {
+    static DigitName = [ "공", "일", "이", "삼", "사", "오", "육", "칠", "팔", "구" ];
+    static Dash = " ";
+    
+    static convert(phone: string): string {
+        return phone.replace(/[\d\- \+]/g, (char: string) => {
+            if (char == "-") return PhoneNumberKorean.Dash;
+            if (char == " ") return " ";
+            if (char == "+") return "플러스";
+            return PhoneNumberKorean.DigitName[
+                parseInt(char) as number
+            ] ?? "";
+        })
+    }
+}
diff --git a/packages/utils/saferKorean.ts b/packages/utils/saferKorean.ts
index acfec71..ba71370 100644
--- a/packages/utils/saferKorean.ts
+++ b/packages/utils/saferKorean.ts
@@ -1,6 +1,7 @@
 import CallingNumberKorean from "./callingNumberKorean";
 import FloatKorean from "./floatKorean";
 import IntegerKorean from "./integerKorean";
+import PhoneNumberKorean from "./phoneNumberKorean";
 
 export const IsolatedSymbolMap = {
     "?": "물음표",
@@ -79,6 +80,13 @@ export const LangPrefixs = {
     "tsx": "리액트 타입스크립트",
     "jsx": "리액트 자바스크립트",
 };
+export const LangPrefixMaxLength = (()=>{
+    let max = 0;
+    for (const key in LangPrefixs) {
+        max = Math.max(key.length, max);
+    }
+    return max;
+})();
 export const ChoseongMap = {
     "ㄱ": "기역",
     "ㄴ": "니은",
@@ -100,13 +108,6 @@ export const ChoseongMap = {
     "ㅆ": "쌍시옷",
     "ㅉ": "쌍지읒",
 };
-export const LangPrefixMaxLength = (()=>{
-    let max = 0;
-    for (const key in LangPrefixs) {
-        max = Math.max(key.length, max);
-    }
-    return max;
-})();
 
 export const SIPrefix = {
     "k": "킬로",
@@ -126,12 +127,10 @@ export const SIPrefix = {
     "y": "요타",
     "yi": "요비",
 };
-
 export const LiterPrefix = {
     "m": "밀리",
     "": "",
 };
-
 export const MeterPrefix = {
     "m": "밀리",
     "c": "센치",
@@ -205,6 +204,10 @@ export function saferKorean(input: string): string {
         .replace(/[ㄱ-ㅎㄲㄸㅃㅆㅉ]/g, (char: string) => ChoseongMap[char as keyof typeof ChoseongMap])
 
         // Process number, unit
+        .replace(/[\d\-]+/g, (phone: string) => {
+            if (!phone.includes("-")) return phone;
+            return PhoneNumberKorean.convert(phone);
+        })
         .replace(/([\d,]+)([kKMmgGtTpP][iI]?)[bB]/g, (_, num: string, mod: string) => {
             // 10kib => 십키비바이트
             num = IntegerKorean.convertFromString(num);