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Support

Intelligent networks are always backed by intelligent people – and Neustar’s Customer Care representatives pride themselves on deep expertise and total customer focus. Whether you have a technical issue, a billing request, or a more general question about Neustar and our industry-leading services, we’re here to help. Choose any of the contacts below to get started.

  • General/Customer Inquiries

    Toll-Free Phone Number: +1 (855) 638-2677
    Email: corporatesupport@neustar.biz

  • Common Short Codes

    Customer and Technical Support
    Toll-Free Phone Number: +1 (866) 623-2272
    Email: support@usshortcodes.com 

  • Domain Name Registry Services

    Registry Customer Support:
    Toll-Free Phone Number: +1 (866) 436-8249
    International Phone Number: +1 (571) 434-5757
    Email: support@neustar.biz 

    For US:
    Toll-Free Phone Number: +1 (888) 415-0365
    International Phone Number: +1 (571) 434-5728
    Email: support.us@neustar.us

  • GSMA Pathfinder

    Technical Support
    International Phone Number: +1 (571) 434-3480
    Email: pathfinder-support@neustar.biz

  • LEAP

    Customer and Technical Support
    Toll-Free Phone Number: +1 (866) 638-9500
    Email: gotleap@neustar.biz

  • Mobile DTV

    Customer and Technical Support
    Toll-Free Phone Number: +1 (855) 638-6322
    Email: MobileDTVCASupport@neustar.biz

  • Neustar Intelligent Cloud

    Customer and Technical Support
    Toll-Free Phone Number:+1 (855) 638-6272
    Email: intelligentcloudsupport@neustar.biz

  • Number Portability Administration Center (NPAC)

    Customer Connectivity Services Support
    Phone Number: +1 (571) 434-5434
    Email: cc@neustar.biz

  • Order Management Services (OMS)

    CARE Contact Information
    Toll-Free Phone Number: +1 (866) 638-9600 Option 1
    Email: careops@neustar.biz

    Clearinghouse Contact Information
    Toll-Free Phone Number: +1 (866) 638-9600 Option 2
    Email: clearinghouse.support@neustar.biz

  • Port PS

    Port PS 24x7 Support
    Toll-Free Phone Number: +1 (866) 638-4473
    Email: portps@neustar.biz

    Canada (CA) Port PS 24x7 Support
    Toll-Free Phone Number: +1 (866) 638-4473
    Email: caportps@neustar.biz

  • SIP-IX

    Technical Support
    Toll-Free Phone Number: +1 (888) 291-9228
    Email: sipix-support@neustar.biz

  • UltraDNS® and DNS Advantage

    Billing and Payment Support
    Toll-Free Phone Number: +1 (877) 245-5277
    International Phone Number: +1 (571) 434-5660
    Email: billingsupport@neustar.biz

    Customer and Technical Support
    Toll-Free Phone Number: +1 (888) 367-4820
    International Phone Number: +1 (571) 434-5358
    Email: ultrasupport@neustar.biz

    Managed Internal DNS (MIDS) and Ultra DDI (UDDI) Customer and Technical Support
    Toll-Free Phone Number: +1 (888) 367-4820
    International Phone Number: +1 (571) 434-5358
    E-mail Address: midssupport@neustar.biz

    Infoblox Customer and Technical Support
    Toll-Free Phone Number: +1 (888) 367-4820
    International Phone Number: +1 (571) 434-5358
    E-mail Address: infobloxsupport@neustar.biz

    MetaInfo Customer and Technical Support
    Toll-Free Phone Number: +1 (888) 367-4820
    International Phone Number: +1 (571) 434-5358
    E-mail Address: metasupport@neustar.biz

  • Webmetrics®

    Billing and Payment Support
    Toll-Free Phone Number: +1 (877) 245-5277
    International Phone Number: +1(571) 434-5660
    Email: billingsupport@neustar.biz

    Customer and Technical Support
    Toll-Free Phone Number: +1 (888) 367-4820
    International Phone Number: +1 (571) 434-5358
    Email: support@webmetrics.com

  • Wireless Message Routing Service

    Toll-Free Phone Number: +1 (888) 291-9410
    Email: wmrs-support@neustar.biz