Instructional Videos: Logging in & fill out the Filer Identification page: MP4 | MOV Uploading files: MP4 | MOV Filling in Fixed Voice Subscription state data: MP4 | MOV Webinars: Aug. 6, 2014 Webinar Sep. 5, 2014 Webinar Return to Form 477 Resources Date Last Updated/Reviewed: Tuesday, January 14, 2020Bureau/Office: Economics and Analytics Tags: Data - Data, Maps, Reports - Form 477 Data