Fix bug

examples/main.go

@@ -15,4 +15,7 @@ func main() {
 
 	countries = phonenumber.GetISO3166ByMobileNumber("14855512329")
 	fmt.Println(countries[0].CountryName)
+
+	parsed := phonenumber.ParseWithLandLine("+1 289 2999", "US")
+	fmt.Println(parsed)
 }

phonenumber.go

@@ -70,9 +70,11 @@ func GetISO3166ByMobileNumber(number string) []ISO3166 {
 func parseInternal(number string, country string, landLineInclude bool) string {
 	number = strings.Replace(number, " ", "", -1)
 	country = strings.Replace(country, " ", "", -1)
-	plusSign := false
+
 	if strings.HasPrefix(number, "+") {
-		plusSign = true
+		if country == "" {
+			return ""
+		}
 	}
 
 	// remove any non-digit character, included the +
@@ -87,12 +89,8 @@ func parseInternal(number string, country string, landLineInclude bool) string {
 	if iso3166.Alpha3 == "RUS" && len(number) == 11 && rusLocaleMobPrefixRegexp.MatchString(number) {
 		number = rusLocalePrefixRegexp.ReplaceAllString(number, "")
 	}
-	if plusSign {
-		iso3166 = GetISO3166ByNumber(number, landLineInclude)
-	} else {
-		if indexOfInt(len(number), iso3166.PhoneNumberLengths) != -1 {
-			number = iso3166.CountryCode + number
-		}
+	if indexOfInt(len(number), iso3166.PhoneNumberLengths) != -1 {
+		number = iso3166.CountryCode + number
 	}
 	if validatePhoneISO3166(number, iso3166, landLineInclude) {
 		return number

phonenumber_test.go

@@ -143,6 +143,7 @@ var mobWithLLFormatTests = []struct {
 	{"+51 999 400 500", "PE", "51999400500"},
 	{"+86 (16) 855-512-329", "CN", "8616855512329"},
 	{"+383 4 1234999", "XK", "38341234999"},
+	{"+1 289 2999", "USA", ""},
 }
 
 func TestFormatWithLandLine(t *testing.T) {