[{"CODIGO_CLIENTE":3,"CGC":"78.079.128/0001-80","RAZAO":"Cliente 2","FANTASIA":"Cliente 2","TELEFONE1":"+99(99)9999-9999"},
    {"CODIGO_CLIENTE":2,"CGC":"14.617.787/0001-40","RAZAO":"Cliente 1","FANTASIA":"Cliente 1","TELEFONE1":"+99(99)9999-9999"},
    {"CODIGO_CLIENTE":5,"CGC":"54.731.556/0001-87","RAZAO":"Cliente 3","FANTASIA":"Cliente 3","TELEFONE1":"+99(99)9999-9999"},
    {"CODIGO_CLIENTE":6,"CGC":"55.765.452/0001-56","RAZAO":"Cliente 4","FANTASIA":"Cliente 4","TELEFONE1":"+99(99)9999-9999"}]

$('#btn-sinc').click(function() {
    $.ajax({
        type : "POST",
        url : "http://localhost/read/cliente.php",
        crossDomain: true,
        contentType: "application/json; charset=utf-8",
        dataType: 'json',
        success : function(responseData, textStatus, jqXHR) {

            for(var i=0; i < responseData.length; i++){
                var html = "";
                    html += '<tr>';
                    html += '<td data-label="Cnpj">'+responseData[i].CGC+'</td>';
                    html += '<td data-label="Razão">'+responseData[i].RAZAO+'</td>';
                    html += '<td data-label="Fantasia">'+responseData[i].FANTASIA+'</td>';
                    html += '<td data-label="Telefone">'+responseData[i].TELEFONE1+'</td>';
                    html += '</tr>';
            }

            $('.table').html(html);
        },
        error: function (responseData, textStatus, errorThrown)
        {
            console.warn(responseData, textStatus, errorThrown);
            alert('Falha');
        }
    });
});

{"CODIGO_CLIENTE":6,"CGC":"55.765.452/0001-56","RAZAO":"Cliente 4","FANTASIA":"Cliente 4","TELEFONE1":"+99(99)9999-9999"}