Add county code in format phone number

demo/lib/main.dart

@@ -86,6 +86,16 @@ class _MyHomePageState extends State<MyHomePage> {
                                   format: NsnFormat.international))
                               : const Text('-'),
                         ),
+                        ListTile(
+                          title: const Text('Formatted with country code'),
+                          trailing: phoneNumber != null
+                              ? Text(
+                                  phoneNumber.format(
+                                    format: NsnFormat.international,
+                                  ),
+                                )
+                              : const Text('-'),
+                        ),
                         ListTile(
                           title: const Text('Iso code'),
                           trailing: phoneNumber != null

example/lib/main.dart

@@ -36,10 +36,12 @@ void main(List<String> arguments) {
   print('');
   print('Formatting:');
   final phoneNumber =
-      PhoneNumber.parse('2025550119', destinationCountry: IsoCode.US);
+      PhoneNumber.parse('+12025550119', destinationCountry: IsoCode.US);
   final formattedNsn = phoneNumber.formatNsn();
-  print('formatted: $formattedNsn'); // (202) 555-0119
+  print('formatted nsn: $formattedNsn'); // (202) 555-0119
   print('international: ${phoneNumber.international}');
+  final formatted = phoneNumber.format();
+  print('formatted with country code: $formatted'); // +1 (202) 555-0119
   // Ranges
   print('');
   print('Ranges:');

lib/src/formatting/phone_number_formatter.dart

@@ -51,7 +51,9 @@ class PhoneNumberFormatter {
       pattern: formatingRule.pattern,
       transformRule: transformRule,
     );
+
     formatted = _removeMissingDigits(formatted, missingDigits);
+
     return formatted;
   }
 

lib/src/phone_number.dart

@@ -67,6 +67,10 @@ class PhoneNumber {
   String formatNsn({IsoCode? isoCode, NsnFormat format = NsnFormat.national}) =>
       PhoneNumberFormatter.formatNsn(nsn, isoCode ?? this.isoCode, format);
 
+  String format({IsoCode? isoCode, NsnFormat format = NsnFormat.national}) {
+    return '+$countryCode ${formatNsn(isoCode: isoCode, format: format)}';
+  }
+
   @Deprecated('Use [formatNsn] instead')
   String getFormattedNsn({IsoCode? isoCode}) => formatNsn(isoCode: isoCode);