diff --git a/modules/member/member.admin.controller.php b/modules/member/member.admin.controller.php
index 763214ac7..54815348b 100644
--- a/modules/member/member.admin.controller.php
+++ b/modules/member/member.admin.controller.php
@@ -339,7 +339,11 @@ class memberAdminController extends member
 			$args->redirect_url = getNotEncodedFullUrl('','mid',$redirectModuleInfo->mid);
 		}
 
-		$args->phone_number_default_country = preg_replace('/[^0-9-]/', '', $args->phone_number_default_country);
+		$args->phone_number_default_country = preg_replace('/[^A-Z]/', '', $args->phone_number_default_country);
+		if (!array_key_exists($args->phone_number_default_country, Rhymix\Framework\i18n::listCountries()))
+		{
+			return new BaseObject('-1', 'msg_need_default_country');
+		}
 		$args->phone_number_hide_country = $args->phone_number_hide_country == 'Y' ? 'Y' : 'N';
 		$args->phone_number_allow_duplicate = $args->phone_number_allow_duplicate == 'Y' ? 'Y' : 'N';
 		$args->phone_number_verify_by_sms = $args->phone_number_verify_by_sms == 'Y' ? 'Y' : 'N';
diff --git a/modules/member/member.admin.view.php b/modules/member/member.admin.view.php
index b765baf2e..603036e17 100644
--- a/modules/member/member.admin.view.php
+++ b/modules/member/member.admin.view.php
@@ -598,24 +598,28 @@ class memberAdminView extends member
 					else if($formInfo->name == 'phone_number')
 					{
 						$formTag->type = 'phone';
+						$match_country = $memberInfo['phone_country'];
+						if(!$match_country && $member_config->phone_number_default_country)
+						{
+							$match_country = $member_config->phone_number_default_country;
+						}
+						if($match_country && !preg_match('/^[A-Z]{3}$/', $match_country))
+						{
+							$match_country = Rhymix\Framework\i18n::getCountryCodeByCallingCode($match_country);
+						}
+						if(!$match_country && Context::get('lang_type') === 'ko')
+						{
+							$match_country = 'KOR';
+						}
 						if($member_config->phone_number_hide_country !== 'Y')
 						{
 							$inputTag = '<select name="phone_country" id="phone_country" class="phone_country">';
 							$country_list = Rhymix\Framework\i18n::listCountries(Context::get('lang_type') === 'ko' ? Rhymix\Framework\i18n::SORT_NAME_KOREAN : Rhymix\Framework\i18n::SORT_NAME_ENGLISH);
-							$match_country = $memberInfo['phone_country'];
-							if(!$match_country && $member_config->phone_number_default_country)
-							{
-								$match_country = $member_config->phone_number_default_country;
-							}
-							if(!$match_country && Context::get('lang_type') === 'ko')
-							{
-								$match_country = '82';
-							}
 							foreach($country_list as $country)
 							{
 								if($country->calling_code)
 								{
-									$inputTag .= '<option value="' . $country->calling_code . '"' . (str_replace('-', '', $country->calling_code) === $match_country ? ' selected="selected"' : '') . '>';
+									$inputTag .= '<option value="' . $country->iso_3166_1_alpha3 . '"' . ($country->iso_3166_1_alpha3 === $match_country ? ' selected="selected"' : '') . '>';
 									$inputTag .= escape(Context::get('lang_type') === 'ko' ? $country->name_korean : $country->name_english) . ' (+' . $country->calling_code . ')</option>';
 								}
 							}
@@ -623,7 +627,7 @@ class memberAdminView extends member
 						}
 						if($memberInfo['phone_number'])
 						{
-							if($match_country == '82')
+							if($match_country === 'KOR')
 							{
 								$phone_number = Rhymix\Framework\Korea::formatPhoneNumber($memberInfo['phone_number']);
 							}
diff --git a/modules/member/member.controller.php b/modules/member/member.controller.php
index f0aa823e4..f36d9fbc0 100644
--- a/modules/member/member.controller.php
+++ b/modules/member/member.controller.php
@@ -632,6 +632,10 @@ class memberController extends member
 			{
 				$phone_country = $config->phone_number_default_country;
 			}
+			if ($phone_country && !preg_match('/^[A-Z]{3}$/', $phone_country))
+			{
+				$phone_country = Rhymix\Framework\i18n::getCountryCodeByCallingCode($phone_country);
+			}
 			if ($phone_country !== $_SESSION['verify_by_sms']['country'])
 			{
 				throw new Rhymix\Framework\Exception('verify_by_sms_incomplete');
@@ -666,7 +670,7 @@ class memberController extends member
 			}
 			if ($val === 'phone_number')
 			{
-				$args->phone_country = preg_replace('/[^0-9]/', '', Context::get('phone_country'));
+				$args->phone_country = preg_replace('/[^A-Z]/', '', Context::get('phone_country'));
 			}
 		}
 		
@@ -922,7 +926,11 @@ class memberController extends member
 			{
 				$phone_country = $config->phone_number_default_country;
 			}
-			if (preg_replace('/[^0-9]/', '', $phone_country) !== $logged_info->phone_country)
+			if ($phone_country && !preg_match('/^[A-Z]{3}$/', $phone_country))
+			{
+				$phone_country = Rhymix\Framework\i18n::getCountryCodeByCallingCode($phone_country);
+			}
+			if ($phone_country !== $logged_info->phone_country)
 			{
 				$phone_verify_needed = true;
 			}
@@ -970,7 +978,7 @@ class memberController extends member
 			}
 			if ($val === 'phone_number')
 			{
-				$args->phone_country = preg_replace('/[^0-9-]/', '', Context::get('phone_country'));
+				$args->phone_country = preg_replace('/[^A-Z]/', '', Context::get('phone_country'));
 			}
 		}
 
@@ -2195,8 +2203,12 @@ class memberController extends member
 				return $this->recordLoginError(-1, 'invalid_user_id');
 			}
 			
+			if($phone_country && !preg_match('/^[A-Z]{3}$/', $phone_country))
+			{
+				$phone_country = Rhymix\Framework\i18n::getCountryCodeByCallingCode($phone_country);
+			}
+			
 			$user_id = preg_replace('/[^0-9]/', '', $user_id);
-			$phone_country = preg_replace('/[^0-9]/', '', $phone_country);
 			$member_info = $oMemberModel->getMemberInfoByPhoneNumber($user_id, $phone_country);
 			if(!$user_id || strtolower($member_info->phone_number) !== $user_id)
 			{
@@ -2595,15 +2607,18 @@ class memberController extends member
 		// Format phone number
 		if (strval($args->phone_number) !== '')
 		{
-			$args->phone_country = trim(preg_replace('/[^0-9-]/', '', $args->phone_country), '-');
+			$args->phone_country = trim(preg_replace('/[^A-Z]/', '', $args->phone_country), '-');
 			$args->phone_number = preg_replace('/[^0-9]/', '', $args->phone_number);
 			$args->phone_type = '';
 			if ($config->phone_number_hide_country === 'Y' || (!$args->phone_country && $config->phone_number_default_country))
 			{
 				$args->phone_country = $config->phone_number_default_country;
 			}
-			$args->phone_country = str_replace('-', '', $args->phone_country);
-			if ($args->phone_country == '82' && !Rhymix\Framework\Korea::isValidPhoneNumber($args->phone_number))
+			if ($args->phone_country && !preg_match('/^[A-Z]{3}$/', $args->phone_country))
+			{
+				$args->phone_country = Rhymix\Framework\i18n::getCountryCodeByCallingCode($args->phone_country);
+			}
+			if ($args->phone_country === 'KOR' && !Rhymix\Framework\Korea::isValidPhoneNumber($args->phone_number))
 			{
 				return new BaseObject(-1, 'msg_invalid_phone_number');
 			}
@@ -2818,15 +2833,18 @@ class memberController extends member
 		// Format phone number
 		if (strval($args->phone_number) !== '')
 		{
-			$args->phone_country = trim(preg_replace('/[^0-9-]/', '', $args->phone_country), '-');
+			$args->phone_country = trim(preg_replace('/[^A-Z]/', '', $args->phone_country), '-');
 			$args->phone_number = preg_replace('/[^0-9]/', '', $args->phone_number);
 			$args->phone_type = '';
 			if ($config->phone_number_hide_country === 'Y' || (!$args->phone_country && $config->phone_number_default_country))
 			{
 				$args->phone_country = $config->phone_number_default_country;
 			}
-			$args->phone_country = str_replace('-', '', $args->phone_country);
-			if ($args->phone_country == '82' && !Rhymix\Framework\Korea::isValidPhoneNumber($args->phone_number))
+			if ($args->phone_country && !preg_match('/^[A-Z]{3}$/', $args->phone_country))
+			{
+				$args->phone_country = Rhymix\Framework\i18n::getCountryCodeByCallingCode($args->phone_country);
+			}
+			if ($args->phone_country === 'KOR' && !Rhymix\Framework\Korea::isValidPhoneNumber($args->phone_number))
 			{
 				return new BaseObject(-1, 'msg_invalid_phone_number');
 			}
@@ -3343,11 +3361,24 @@ class memberController extends member
 		{
 			$phone_country = $config->phone_number_default_country;
 		}
-		if (!preg_match('/[0-9]{1,}/', $phone_country) || !preg_match('/[0-9]{2,}/', $phone_number))
+		if (preg_match('/[A-Z]{3}/', $phone_country))
+		{
+			$phone_country_calling_code = preg_replace('/[^0-9]/', '', Rhymix\Framework\i18n::getCallingCodeByCountryCode($phone_country));
+			if (!$phone_country_calling_code)
+			{
+				return new BaseObject(-1, 'msg_invalid_phone_number');
+			}
+		}
+		else
 		{
 			return new BaseObject(-1, 'msg_invalid_phone_number');
 		}
-		if ($phone_country == '82' && !Rhymix\Framework\Korea::isValidPhoneNumber($phone_number))
+		
+		if (!preg_match('/[0-9]{2,}/', $phone_number))
+		{
+			return new BaseObject(-1, 'msg_invalid_phone_number');
+		}
+		if ($phone_country === 'KOR' && !Rhymix\Framework\Korea::isValidPhoneNumber($phone_number))
 		{
 			return new BaseObject(-1, 'msg_invalid_phone_number');
 		}
@@ -3361,7 +3392,7 @@ class memberController extends member
 		);
 		
 		$sms = new Rhymix\Framework\SMS;
-		$sms->addTo($phone_number, $phone_country);
+		$sms->addTo($phone_number, $phone_country_calling_code);
 		$content = '[' . Context::get('site_module_info')->settings->title . '] ' . sprintf(lang('member.verify_by_sms_message'), $code);
 		$sms->setContent($content);
 		$result = $sms->send();
diff --git a/modules/member/member.model.php b/modules/member/member.model.php
index 3d542869a..e1ad1ab84 100644
--- a/modules/member/member.model.php
+++ b/modules/member/member.model.php
@@ -304,7 +304,18 @@ class memberModel extends member
 	function getMemberInfoByPhoneNumber($phone_number, $phone_country = null)
 	{
 		if(!$phone_number) return;
-
+		if($phone_country)
+		{
+			if(preg_match('/^[A-Z]{3}$/', $phone_country))
+			{
+				$phone_country = array($phone_country, preg_replace('/[^0-9]/', '', Rhymix\Framework\i18n::getCallingCodeByCountryCode($phone_country)));
+			}
+			else
+			{
+				$phone_country = array(preg_replace('/[^0-9]/', '', $phone_country), Rhymix\Framework\i18n::getCountryCodeByCallingCode($phone_country));
+			}
+		}
+		
 		$args = new stdClass();
 		$args->phone_number = $phone_number;
 		$args->phone_country = $phone_country;
diff --git a/modules/member/member.view.php b/modules/member/member.view.php
index 5028b5088..1f26712a8 100644
--- a/modules/member/member.view.php
+++ b/modules/member/member.view.php
@@ -152,13 +152,13 @@ class memberView extends member
 				}
 				elseif($formInfo->name == 'phone_number' && $memberInfo->phone_number)
 				{
-					if($memberInfo->phone_country == '82')
-					{
-						$item->value = Rhymix\Framework\Korea::formatPhoneNumber($item->value);
-					}
 					if($memberConfig->phone_number_hide_country !== 'Y')
 					{
-						$item->value = '(+' . $memberInfo->phone_country . ') ' . $item->value;
+						$item->value = Rhymix\Framework\i18n::formatPhoneNumber($item->value, $memberInfo->phone_country);
+					}
+					elseif(($memberConfig->phone_number_default_country === 'KOR' || $memberConfig->phone_number_default_country == '82') && ($memberInfo->phone_country === 'KOR' || $memberInfo->phone_country == '82'))
+					{
+						$item->value = Rhymix\Framework\Korea::formatPhoneNumber($item->value);
 					}
 				}
 			}
diff --git a/modules/member/queries/getMemberInfoByPhoneNumber.xml b/modules/member/queries/getMemberInfoByPhoneNumber.xml
index 6ec83bb96..008c6fd6d 100644
--- a/modules/member/queries/getMemberInfoByPhoneNumber.xml
+++ b/modules/member/queries/getMemberInfoByPhoneNumber.xml
@@ -7,6 +7,6 @@
     </columns>
     <conditions>
         <condition operation="equal" column="phone_number" var="phone_number" notnull="notnull" />
-		<condition operation="equal" column="phone_country" var="phone_country" pipe="and" />
+		<condition operation="in" column="phone_country" var="phone_country" pipe="and" />
     </conditions>
 </query>
diff --git a/modules/member/tpl/member_list.html b/modules/member/tpl/member_list.html
index 4ea5ec0dd..13422c423 100644
--- a/modules/member/tpl/member_list.html
+++ b/modules/member/tpl/member_list.html
@@ -59,11 +59,10 @@
 				<td class="nowr" loop="$usedIdentifiers=>$name,$title">
 					<!--@if($name === 'email_address')-->
 						<a href="#popup_menu_area" class="member_{$member_info['member_srl']}">{getEncodeEmailAddress($member_info['email_address'])}</a>
-					<!--@elseif($name === 'phone_number')-->
-						<!--@if($member_info['phone_country'] && $member_info['phone_country'] != $member_config->phone_number_default_country)-->
-							(+{$member_info['phone_country']})
-						<!--@end-->
-						<!--@if($member_info['phone_country'] == 82)-->
+					<!--@elseif($name === 'phone_number' && $member_info['phone_number'])-->
+						<!--@if($config->phone_number_hide_country !== 'Y')-->
+							{\Rhymix\Framework\i18n::formatPhoneNumber($member_info['phone_number'], $member_info['phone_country'])}
+						<!--@elseif(($config->phone_number_default_country === 'KOR' || $memberConfig->phone_number_default_country == '82') && ($member_info['phone_country'] === 'KOR' || $member_info['phone_country'] == '82'))-->
 							{\Rhymix\Framework\Korea::formatPhoneNumber($member_info['phone_number'])}
 						<!--@else-->
 							{$member_info['phone_number']}
diff --git a/modules/member/tpl/signup_config.html b/modules/member/tpl/signup_config.html
index 1002775de..7e35693a1 100644
--- a/modules/member/tpl/signup_config.html
+++ b/modules/member/tpl/signup_config.html
@@ -142,7 +142,7 @@
 								<select id="phone_number_default_country" name="phone_number_default_country">
 									<!--@foreach($country_list as $country_info)-->
 										<!--@if($country_info->calling_code)-->
-											<option value="{$country_info->calling_code}" selected="selected"|cond="$country_info->calling_code == $config->phone_number_default_country">
+											<option value="{$country_info->iso_3166_1_alpha3}" selected="selected"|cond="$country_info->iso_3166_1_alpha3 === $config->phone_number_default_country || $country_info->calling_code === $config->phone_number_default_country">
 												{$lang_type === 'ko' ? $country_info->name_korean : $country_info->name_english} (+{$country_info->calling_code})
 											</option>
 										<!--@endif-->