For general questions regarding the Intermodal Ported Telephone Number Identification Service or any Service Registration inquiries, please call 1-866-623-2262 or email WDNCINFO@neustar.biz.
For any billing related inquiries, please call 1-877-245-5277.
Helpdesk business hours are from 8:30AM EST- 5:00 PM EST Monday - Friday. If you need assistance outside of these hours, please send an email to the appropriate designated email box noted above. Your inquiry will be answered the following business day.