organization-multiple-contacts.js

    <script type="application/ld+json">
    { "@context" : "https://schema.org",
      "@type" : "Organization",
      "url" : "http://www.example.com",
      "contactPoint" : [
        { "@type" : "ContactPoint",
          "telephone" : "+1-888-888-9999",
          "contactType" : "customer service",
          "contactOption" : "TollFree",
          "areaServed" : "US"
        } , {
          "@type" : "ContactPoint",
          "telephone" : "+1-888-888-9998",
          "contactType" : "Sales"
        } , 
         {
          "@type" : "ContactPoint",
          "telephone" : "+1-888-888-9997",
          "contactType" : "technical support",
          "contactOption" : "TollFree",
          "areaServed" : "US",
          "availableLanguage" : ["English","French"]
        } , {
          "@type" : "ContactPoint",
          "telephone" : "+1-888-888-9997",
          "contactType" : "bill payment",
          "contactOption" : "TollFree",
          "areaServed" : ["US","GB"]
        } ] }
    </script>