contact us Use the Information below to reach out to the HIS Sign Team! Call us (P) 877-458-7408 Business Hours: 8:00 AM – 5:00 PM EST Dedicated team available after hours for service emergencies. (F) 703-738-8618 Email Us Info@HISsign.com All email inquiries will be responded to within one business day. Mailing Address 44050 Ashburn Shopping Plaza, Suite #195-639 Ashburn, Virginia 20147 Please enable JavaScript in your browser to complete this form.Name: *Phone:Email: *Message:Customer:Send me Info on ASL On-site InterpretingSend me info on Virtual Interpreting ServicesSend me info on CART ServicesSend me info on Captioning ServicesSend me info on Transcription ServicesOtherInterpreters, Transcribers, and CART Providers:Send me info on providing ASL Interpreting ServicesSend me info on providing CART ServicesOtherCommentSubmit