When Select country i want automatic generate phone code in Contact Form 7 without plugin – wordpress

<div class="row">
<div class="col-md-6">
<label> Name*
    [text* username placeholder "Enter Name"] </label>

</div>
<div class="col-md-6">

<label> Email*
    [email* your-email placeholder "Enter Email Address"] </label>

</div>
<div class="col-md-6">
<label>Country :
[select coutrylist class:Choosecountry include_blank "Afghanistan" "Albania" "Algeria" "AmericanSamoa" "Andorra" "Angola" "Anguilla" "Antigua and Barbuda" "Argentina" "Armenia" "Aruba" "Australia" "Austria" "Azerbaijan" "Bahamas" "Bahrain" "Bangladesh" "Barbados" "Belarus" "Belgium" "Belize" "Benin" "Bermuda" "Bhutan" "Bosnia and Herzegovina" "Botswana" "Brazil" "British Indian Ocean Territory" "Bulgaria" "Burkina Faso" "Burundi" "Cambodia" "Cameroon" "Canada" "Cape Verde" "Cayman Islands" "Central African Republic" "Chad" "Chile" "China" "Christmas Island" "Colombia" "Comoros" "Congo" "Cook Islands" "Costa Rica" "Croatia" "Cuba" "Cyprus" "Czech Republic" "Denmark" "Djibouti" "Dominica" "Dominican Republic" "Ecuador" "Egypt" "El Salvador" "Equatorial Guinea" "Eritrea" "Estonia" "Ethiopia" "Faroe Islands" "Fiji" "Finland" "France" "French Guiana" "French Polynesia" "Gabon" "Gambia" "Georgia" "Germany" "Ghana" "Gibraltar" "Greece" "Greenland" "Grenada" "Guadeloupe" "Guam" "Guatemala" "Guinea" "Guinea-Bissau" "Guyana" "Haiti" "Honduras" "Hungary" "Iceland" "India" "Indonesia" "Iraq" "Ireland" "Israel" "Italy" "Jamaica" "Japan" "Jordan" "Kazakhstan" "Kenya" "Kiribati" "Kuwait" "Kyrgyzstan" "Latvia" "Lebanon" "Lesotho" "Liberia" "Liechtenstein" "Lithuania" "Luxembourg" "Madagascar" "Malawi" "Malaysia" "Maldives" "Mali" "Malta" "Marshall Islands" "Martinique" "Mauritania" "Mauritius" "Mayotte" "Mexico" "Monaco" "Mongolia" "Montenegro" "Montserrat" "Morocco" "Myanmar" "Namibia" "Nauru" "Nepal" "Netherlands" "Netherlands Antilles" "New Caledonia" "New Zealand" "Nicaragua" "Niger" "Nigeria" "Niue" "Norfolk Island" "Northern Mariana Islands" "Norway" "Oman" "Pakistan" "Palau" "Panama" "Papua New Guinea" "Paraguay" "Peru" "Philippines" "Poland" "Portugal" "Puerto Rico" "Qatar" "Romania" "Rwanda" "Samoa" "San Marino" "Saudi Arabia" "Senegal" "Serbia" "Seychelles" "Sierra Leone" "Singapore" "Slovakia" "Slovenia" "Solomon Islands" "South Africa" "South Georgia and the South Sandwich Islands" "Spain" "Sri Lanka" "Sudan" "Suriname" "Swaziland" "Sweden" "Switzerland" "Tajikistan" "Thailand" "Togo" "Tokelau" "Tonga" "Trinidad and Tobago" "Tunisia" "Turkey" "Turkmenistan" "Turks and Caicos Islands" "Tuvalu" "Uganda" "Ukraine" "United Arab Emirates" "United Kingdom" "United States" "Uruguay" "Uzbekistan" "Vanuatu" "Wallis and Futuna" "Yemen" "Zambia" "Zimbabwe" "land Islands" "Antarctica" "Bolivia, Plurinational State of" "Brunei Darussalam" "Cocos (Keeling) Islands" "Congo, The Democratic Republic of the" "Cote d'Ivoire" "Falkland Islands (Malvinas)" "Guernsey" "Holy See (Vatican City State)" "Hong Kong" "Iran, Islamic Republic of" "Isle of Man" "Jersey" "Korea, Democratic People's Republic of" "Korea, Republic of" "Lao People's Democratic Republic" "Libyan Arab Jamahiriya" "Macao" "Macedonia, The Former Yugoslav Republic of" "Micronesia, Federated States of" "Moldova, Republic of" "Mozambique" "Palestinian Territory, Occupied" "Pitcairn" "Réunion" "Russia" "Saint Barthélemy" "Saint Helena, Ascension and Tristan Da Cunha" "Saint Kitts and Nevis" "Saint Lucia" "Saint Martin" "Saint Pierre and Miquelon" "Saint Vincent and the Grenadines" "Sao Tome and Principe" "Somalia" "Svalbard and Jan Mayen" "Syrian Arab Republic" "Taiwan, Province of China" "Tanzania, United Republic of" "Timor-Leste" "Venezuela, Bolivarian Republic of" "Viet Nam" "Virgin Islands, British" "Virgin Islands, U.S."]

</label>
</div>
<div class="col-md-6">
<label>Mobile Telephone (Inc Country Code) :
          <div class="col-md-4">[tel tel-584 class:phonenumber readonly]</div>   
 <div class="col-md-8">[text phoneNumber]</div>               
</label>
</div>



<div class="col-md-6">


<label> Institute Name*
    [text* Institutename placeholder "Enter Institute Name"] </label>

</div>
<div class="col-md-6">


<label> Account Holder's Name*
   [text account_holder placeholder "Account Name of the Account Holder"] </label>


</div>
<div class="col-md-6">
<label> Address
     [textarea address class:form-control 40x4 placeholder "Enter Address"]</label>
</div>
 

</div>
 <p class="buttonn"><strong>[submit "Submit"]</strong></p>

<script>jQuery(document).ready(function(){

   /*On selecting country respective dialing code is updated*/

    // List of all the countries with their dialing code in json format
    var mycountry = [{"name":"Afghanistan","dial_code":"+93","code":"AF"},{"name":"Albania","dial_code":"+355","code":"AL"},{"name":"Algeria","dial_code":"+213","code":"DZ"},{"name":"AmericanSamoa","dial_code":"+1 684","code":"AS"},{"name":"Andorra","dial_code":"+376","code":"AD"},{"name":"Angola","dial_code":"+244","code":"AO"},{"name":"Anguilla","dial_code":"+1 264","code":"AI"},{"name":"Antigua and Barbuda","dial_code":"+1268","code":"AG"},{"name":"Argentina","dial_code":"+54","code":"AR"},{"name":"Armenia","dial_code":"+374","code":"AM"},{"name":"Aruba","dial_code":"+297","code":"AW"},{"name":"Australia","dial_code":"+61","code":"AU"},{"name":"Austria","dial_code":"+43","code":"AT"},{"name":"Azerbaijan","dial_code":"+994","code":"AZ"},{"name":"Bahamas","dial_code":"+1 242","code":"BS"},{"name":"Bahrain","dial_code":"+973","code":"BH"},{"name":"Bangladesh","dial_code":"+880","code":"BD"},{"name":"Barbados","dial_code":"+1 246","code":"BB"},{"name":"Belarus","dial_code":"+375","code":"BY"},{"name":"Belgium","dial_code":"+32","code":"BE"},{"name":"Belize","dial_code":"+501","code":"BZ"},{"name":"Benin","dial_code":"+229","code":"BJ"},{"name":"Bermuda","dial_code":"+1 441","code":"BM"},{"name":"Bhutan","dial_code":"+975","code":"BT"},{"name":"Bosnia and Herzegovina","dial_code":"+387","code":"BA"},{"name":"Botswana","dial_code":"+267","code":"BW"},{"name":"Brazil","dial_code":"+55","code":"BR"},{"name":"British Indian Ocean Territory","dial_code":"+246","code":"IO"},{"name":"Bulgaria","dial_code":"+359","code":"BG"},{"name":"Burkina Faso","dial_code":"+226","code":"BF"},{"name":"Burundi","dial_code":"+257","code":"BI"},{"name":"Cambodia","dial_code":"+855","code":"KH"},{"name":"Cameroon","dial_code":"+237","code":"CM"},{"name":"Canada","dial_code":"+1","code":"CA"},{"name":"Cape Verde","dial_code":"+238","code":"CV"},{"name":"Cayman Islands","dial_code":"+ 345","code":"KY"},{"name":"Central African Republic","dial_code":"+236","code":"CF"},{"name":"Chad","dial_code":"+235","code":"TD"},{"name":"Chile","dial_code":"+56","code":"CL"},{"name":"China","dial_code":"+86","code":"CN"},{"name":"Christmas Island","dial_code":"+61","code":"CX"},{"name":"Colombia","dial_code":"+57","code":"CO"},{"name":"Comoros","dial_code":"+269","code":"KM"},{"name":"Congo","dial_code":"+242","code":"CG"},{"name":"Cook Islands","dial_code":"+682","code":"CK"},{"name":"Costa Rica","dial_code":"+506","code":"CR"},{"name":"Croatia","dial_code":"+385","code":"HR"},{"name":"Cuba","dial_code":"+53","code":"CU"},{"name":"Cyprus","dial_code":"+537","code":"CY"},{"name":"Czech Republic","dial_code":"+420","code":"CZ"},{"name":"Denmark","dial_code":"+45","code":"DK"},{"name":"Djibouti","dial_code":"+253","code":"DJ"},{"name":"Dominica","dial_code":"+1 767","code":"DM"},{"name":"Dominican Republic","dial_code":"+1 849","code":"DO"},{"name":"Ecuador","dial_code":"+593","code":"EC"},{"name":"Egypt","dial_code":"+20","code":"EG"},{"name":"El Salvador","dial_code":"+503","code":"SV"},{"name":"Equatorial Guinea","dial_code":"+240","code":"GQ"},{"name":"Eritrea","dial_code":"+291","code":"ER"},{"name":"Estonia","dial_code":"+372","code":"EE"},{"name":"Ethiopia","dial_code":"+251","code":"ET"},{"name":"Faroe Islands","dial_code":"+298","code":"FO"},{"name":"Fiji","dial_code":"+679","code":"FJ"},{"name":"Finland","dial_code":"+358","code":"FI"},{"name":"France","dial_code":"+33","code":"FR"},{"name":"French Guiana","dial_code":"+594","code":"GF"},{"name":"French Polynesia","dial_code":"+689","code":"PF"},{"name":"Gabon","dial_code":"+241","code":"GA"},{"name":"Gambia","dial_code":"+220","code":"GM"},{"name":"Georgia","dial_code":"+995","code":"GE"},{"name":"Germany","dial_code":"+49","code":"DE"},{"name":"Ghana","dial_code":"+233","code":"GH"},{"name":"Gibraltar","dial_code":"+350","code":"GI"},{"name":"Greece","dial_code":"+30","code":"GR"},{"name":"Greenland","dial_code":"+299","code":"GL"},{"name":"Grenada","dial_code":"+1 473","code":"GD"},{"name":"Guadeloupe","dial_code":"+590","code":"GP"},{"name":"Guam","dial_code":"+1 671","code":"GU"},{"name":"Guatemala","dial_code":"+502","code":"GT"},{"name":"Guinea","dial_code":"+224","code":"GN"},{"name":"Guinea-Bissau","dial_code":"+245","code":"GW"},{"name":"Guyana","dial_code":"+595","code":"GY"},{"name":"Haiti","dial_code":"+509","code":"HT"},{"name":"Honduras","dial_code":"+504","code":"HN"},{"name":"Hungary","dial_code":"+36","code":"HU"},{"name":"Iceland","dial_code":"+354","code":"IS"},{"name":"India","dial_code":"+91","code":"IN"},{"name":"Indonesia","dial_code":"+62","code":"ID"},{"name":"Iraq","dial_code":"+964","code":"IQ"},{"name":"Ireland","dial_code":"+353","code":"IE"},{"name":"Israel","dial_code":"+972","code":"IL"},{"name":"Italy","dial_code":"+39","code":"IT"},{"name":"Jamaica","dial_code":"+1 876","code":"JM"},{"name":"Japan","dial_code":"+81","code":"JP"},{"name":"Jordan","dial_code":"+962","code":"JO"},{"name":"Kazakhstan","dial_code":"+7 7","code":"KZ"},{"name":"Kenya","dial_code":"+254","code":"KE"},{"name":"Kiribati","dial_code":"+686","code":"KI"},{"name":"Kuwait","dial_code":"+965","code":"KW"},{"name":"Kyrgyzstan","dial_code":"+996","code":"KG"},{"name":"Latvia","dial_code":"+371","code":"LV"},{"name":"Lebanon","dial_code":"+961","code":"LB"},{"name":"Lesotho","dial_code":"+266","code":"LS"},{"name":"Liberia","dial_code":"+231","code":"LR"},{"name":"Liechtenstein","dial_code":"+423","code":"LI"},{"name":"Lithuania","dial_code":"+370","code":"LT"},{"name":"Luxembourg","dial_code":"+352","code":"LU"},{"name":"Madagascar","dial_code":"+261","code":"MG"},{"name":"Malawi","dial_code":"+265","code":"MW"},{"name":"Malaysia","dial_code":"+60","code":"MY"},{"name":"Maldives","dial_code":"+960","code":"MV"},{"name":"Mali","dial_code":"+223","code":"ML"},{"name":"Malta","dial_code":"+356","code":"MT"},{"name":"Marshall Islands","dial_code":"+692","code":"MH"},{"name":"Martinique","dial_code":"+596","code":"MQ"},{"name":"Mauritania","dial_code":"+222","code":"MR"},{"name":"Mauritius","dial_code":"+230","code":"MU"},{"name":"Mayotte","dial_code":"+262","code":"YT"},{"name":"Mexico","dial_code":"+52","code":"MX"},{"name":"Monaco","dial_code":"+377","code":"MC"},{"name":"Mongolia","dial_code":"+976","code":"MN"},{"name":"Montenegro","dial_code":"+382","code":"ME"},{"name":"Montserrat","dial_code":"+1664","code":"MS"},{"name":"Morocco","dial_code":"+212","code":"MA"},{"name":"Myanmar","dial_code":"+95","code":"MM"},{"name":"Namibia","dial_code":"+264","code":"NA"},{"name":"Nauru","dial_code":"+674","code":"NR"},{"name":"Nepal","dial_code":"+977","code":"NP"},{"name":"Netherlands","dial_code":"+31","code":"NL"},{"name":"Netherlands Antilles","dial_code":"+599","code":"AN"},{"name":"New Caledonia","dial_code":"+687","code":"NC"},{"name":"New Zealand","dial_code":"+64","code":"NZ"},{"name":"Nicaragua","dial_code":"+505","code":"NI"},{"name":"Niger","dial_code":"+227","code":"NE"},{"name":"Nigeria","dial_code":"+234","code":"NG"},{"name":"Niue","dial_code":"+683","code":"NU"},{"name":"Norfolk Island","dial_code":"+672","code":"NF"},{"name":"Northern Mariana Islands","dial_code":"+1 670","code":"MP"},{"name":"Norway","dial_code":"+47","code":"NO"},{"name":"Oman","dial_code":"+968","code":"OM"},{"name":"Pakistan","dial_code":"+92","code":"PK"},{"name":"Palau","dial_code":"+680","code":"PW"},{"name":"Panama","dial_code":"+507","code":"PA"},{"name":"Papua New Guinea","dial_code":"+675","code":"PG"},{"name":"Paraguay","dial_code":"+595","code":"PY"},{"name":"Peru","dial_code":"+51","code":"PE"},{"name":"Philippines","dial_code":"+63","code":"PH"},{"name":"Poland","dial_code":"+48","code":"PL"},{"name":"Portugal","dial_code":"+351","code":"PT"},{"name":"Puerto Rico","dial_code":"+1 939","code":"PR"},{"name":"Qatar","dial_code":"+974","code":"QA"},{"name":"Romania","dial_code":"+40","code":"RO"},{"name":"Rwanda","dial_code":"+250","code":"RW"},{"name":"Samoa","dial_code":"+685","code":"WS"},{"name":"San Marino","dial_code":"+378","code":"SM"},{"name":"Saudi Arabia","dial_code":"+966","code":"SA"},{"name":"Senegal","dial_code":"+221","code":"SN"},{"name":"Serbia","dial_code":"+381","code":"RS"},{"name":"Seychelles","dial_code":"+248","code":"SC"},{"name":"Sierra Leone","dial_code":"+232","code":"SL"},{"name":"Singapore","dial_code":"+65","code":"SG"},{"name":"Slovakia","dial_code":"+421","code":"SK"},{"name":"Slovenia","dial_code":"+386","code":"SI"},{"name":"Solomon Islands","dial_code":"+677","code":"SB"},{"name":"South Africa","dial_code":"+27","code":"ZA"},{"name":"South Georgia and the South Sandwich Islands","dial_code":"+500","code":"GS"},{"name":"Spain","dial_code":"+34","code":"ES"},{"name":"Sri Lanka","dial_code":"+94","code":"LK"},{"name":"Sudan","dial_code":"+249","code":"SD"},{"name":"Suriname","dial_code":"+597","code":"SR"},{"name":"Swaziland","dial_code":"+268","code":"SZ"},{"name":"Sweden","dial_code":"+46","code":"SE"},{"name":"Switzerland","dial_code":"+41","code":"CH"},{"name":"Tajikistan","dial_code":"+992","code":"TJ"},{"name":"Thailand","dial_code":"+66","code":"TH"},{"name":"Togo","dial_code":"+228","code":"TG"},{"name":"Tokelau","dial_code":"+690","code":"TK"},{"name":"Tonga","dial_code":"+676","code":"TO"},{"name":"Trinidad and Tobago","dial_code":"+1 868","code":"TT"},{"name":"Tunisia","dial_code":"+216","code":"TN"},{"name":"Turkey","dial_code":"+90","code":"TR"},{"name":"Turkmenistan","dial_code":"+993","code":"TM"},{"name":"Turks and Caicos Islands","dial_code":"+1 649","code":"TC"},{"name":"Tuvalu","dial_code":"+688","code":"TV"},{"name":"Uganda","dial_code":"+256","code":"UG"},{"name":"Ukraine","dial_code":"+380","code":"UA"},{"name":"United Arab Emirates","dial_code":"+971","code":"AE"},{"name":"United Kingdom","dial_code":"+44","code":"GB"},{"name":"United States","dial_code":"+1","code":"US"},{"name":"Uruguay","dial_code":"+598","code":"UY"},{"name":"Uzbekistan","dial_code":"+998","code":"UZ"},{"name":"Vanuatu","dial_code":"+678","code":"VU"},{"name":"Wallis & Futuna","dial_code":"+681","code":"WF"},{"name":"Yemen","dial_code":"+967","code":"YE"},{"name":"Zambia","dial_code":"+260","code":"ZM"},{"name":"Zimbabwe","dial_code":"+263","code":"ZW"},{"name":"land Islands","dial_code":"","code":"AX"},{"name":"Antarctica","dial_code":null,"code":"AQ"},{"name":"Bolivia, Plurinational State of","dial_code":"+591","code":"BO"},{"name":"Brunei Darussalam","dial_code":"+673","code":"BN"},{"name":"Cocos (Keeling) Islands","dial_code":"+61","code":"CC"},{"name":"Congo, The Democratic Republic of the","dial_code":"+243","code":"CD"},{"name":"Cote d'Ivoire","dial_code":"+225","code":"CI"},{"name":"Falkland Islands (Malvinas)","dial_code":"+500","code":"FK"},{"name":"Guernsey","dial_code":"+44","code":"GG"},{"name":"Holy See (Vatican City State)","dial_code":"+379","code":"VA"},{"name":"Hong Kong","dial_code":"+852","code":"HK"},{"name":"Iran, Islamic Republic of","dial_code":"+98","code":"IR"},{"name":"Isle of Man","dial_code":"+44","code":"IM"},{"name":"Jersey","dial_code":"+44","code":"JE"},{"name":"Korea, Democratic People's Republic of","dial_code":"+850","code":"KP"},{"name":"Korea, Republic of","dial_code":"+82","code":"KR"},{"name":"Lao People's Democratic Republic","dial_code":"+856","code":"LA"},{"name":"Libyan Arab Jamahiriya","dial_code":"+218","code":"LY"},{"name":"Macao","dial_code":"+853","code":"MO"},{"name":"Macedonia, The Former Yugoslav Republic of","dial_code":"+389","code":"MK"},{"name":"Micronesia, Federated States of","dial_code":"+691","code":"FM"},{"name":"Moldova, Republic of","dial_code":"+373","code":"MD"},{"name":"Mozambique","dial_code":"+258","code":"MZ"},{"name":"Palestinian Territory, Occupied","dial_code":"+970","code":"PS"},{"name":"Pitcairn","dial_code":"+872","code":"PN"},{"name":"Réunion","dial_code":"+262","code":"RE"},{"name":"Russia","dial_code":"+7","code":"RU"},{"name":"Saint Barthélemy","dial_code":"+590","code":"BL"},{"name":"Saint Helena, Ascension and Tristan Da Cunha","dial_code":"+290","code":"SH"},{"name":"Saint Kitts and Nevis","dial_code":"+1 869","code":"KN"},{"name":"Saint Lucia","dial_code":"+1 758","code":"LC"},{"name":"Saint Martin","dial_code":"+590","code":"MF"},{"name":"Saint Pierre and Miquelon","dial_code":"+508","code":"PM"},{"name":"Saint Vincent and the Grenadines","dial_code":"+1 784","code":"VC"},{"name":"Sao Tome and Principe","dial_code":"+239","code":"ST"},{"name":"Somalia","dial_code":"+252","code":"SO"},{"name":"Svalbard and Jan Mayen","dial_code":"+47","code":"SJ"},{"name":"Syrian Arab Republic","dial_code":"+963","code":"SY"},{"name":"Taiwan, Province of China","dial_code":"+886","code":"TW"},{"name":"Tanzania, United Republic of","dial_code":"+255","code":"TZ"},{"name":"Timor-Leste","dial_code":"+670","code":"TL"},{"name":"Venezuela, Bolivarian Republic of","dial_code":"+58","code":"VE"},{"name":"Viet Nam","dial_code":"+84","code":"VN"},{"name":"Virgin Islands, British","dial_code":"+1 284","code":"VG"},{"name":"Virgin Islands, U.S.","dial_code":"+1 340","code":"VI"}];

    jQuery('.Choosecountry').change(function() {
        selectedCountry = jQuery(this).val();
        jQuery.each(mycountry,function(idx, obj) {
            if(selectedCountry == obj.name){
                CountryNumberCode = obj.dial_code;
                jQuery('.phonenumber').val(CountryNumberCode);
            }
        });
    });

});</script>