libphonenumber是一個Google開發的Common Java類庫用於解析，格式化，儲存和校驗國際電話號碼。適合用於智慧手機上，同時還提供一個JavaScript移植。 

舉一個例子

package com.lei.util;

import java.util.Locale;

import com.google.i18n.phonenumbers.PhoneNumberToCarrierMapper;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import com.google.i18n.phonenumbers.Phonenumber.PhoneNumber;
import
 
 com.google.i18n.phonenumbers.geocoding.PhoneNumberOfflineGeocoder;
import com.okcoin.util.StringUtil;
/**
    程式碼示例
    StringUtil 為String工具類，並未提供，可執行更換。
    可以使用String 原生函式替換
*/
public class PhoneUtil {


    private static PhoneNumberUtil phoneNumberUtil = PhoneNumberUtil.getInstance();

    private
 
 static PhoneNumberToCarrierMapper carrierMapper = PhoneNumberToCarrierMapper.getInstance();

    private static PhoneNumberOfflineGeocoder geocoder = PhoneNumberOfflineGeocoder.getInstance();

    /**
     * 根據國家程式碼和手機號  判斷手機號是否有效
     * @param phoneNumber
     * @param countryCode
     * @return
     */
 

    public static boolean checkPhoneNumber(String phoneNumber, String countryCode){

        int ccode = StringUtil.toInteger(countryCode);
        long phone = StringUtil.toLong(phoneNumber, 0L);

        PhoneNumber pn = new PhoneNumber();
        pn.setCountryCode(ccode);
        pn.setNationalNumber(phone);

        return phoneNumberUtil.isValidNumber(pn);

    }

    /**
     * 根據國家程式碼和手機號  判斷手機運營商
     * @param phoneNumber
     * @param countryCode
     * @return
     */
    public static String getCarrier(String phoneNumber, String countryCode){

        int ccode = StringUtil.toInteger(countryCode);
        long phone = StringUtil.toLong(phoneNumber, 0L);

        PhoneNumber pn = new PhoneNumber();
        pn.setCountryCode(ccode);
        pn.setNationalNumber(phone);
        //返回結果只有英文，自己轉成成中文
        String carrierEn = carrierMapper.getNameForNumber(pn, Locale.ENGLISH);
        String carrierZh = "";
        carrierZh += geocoder.getDescriptionForNumber(pn, Locale.CHINESE);
        switch (carrierEn) {
        case "China Mobile":
            carrierZh += "移動";
            break;
        case "China Unicom":
            carrierZh += "聯通";
            break;
        case "China Telecom":
            carrierZh += "電信";
            break;
        default:
            break;
        }
        return carrierZh;
    }


    /**
     * 
    * @Description: 根據國家程式碼和手機號  手機歸屬地
    * @date 2015-7-13 上午11:33:18
    * @param @param phoneNumber
    * @param @param countryCode
    * @param @return    引數
    * @throws
     */
    public static String getGeo(String phoneNumber, String countryCode){

        int ccode = StringUtil.toInteger(countryCode);
        long phone = StringUtil.toLong(phoneNumber, 0L);

        PhoneNumber pn = new PhoneNumber();
        pn.setCountryCode(ccode);
        pn.setNationalNumber(phone);

        return geocoder.getDescriptionForNumber(pn, Locale.CHINESE);

    }

    public static void main(String[] args) {
            System.out.println(PhoneUtil.getCarrier("159655555","86"));

    }

}

MAVEN 地址
    <dependency>
        <groupId>com.googlecode.libphonenumber</groupId>
        <artifactId>libphonenumber</artifactId>
        <version>7.0</version>
    </dependency>
    <dependency>
      <groupId>com.googlecode.libphonenumber</groupId>
      <artifactId>carrier</artifactId>
      <version>1.11</version>
    </dependency>
    <dependency>
        <groupId>com.googlecode.libphonenumber</groupId>
        <artifactId>geocoder</artifactId>
        <version>2.12</version>
    </dependency>