The Form 477 filing interface is temporarily unavailable due to technical issues. We are working to fix the problem and will re-open the site as soon as possible.
Filing Form 477 - Getting Started:
- Obtain an FRN (FCC Registration Number) and password if you do not already them. Use the update feature to reset a password if necessary.
- File online using the required web-based interface and instructions for filing. (If using Internet Explorer, please use version 9 or higher.)
- Who must file Form 477?
- Generating Fixed Broadband Deployment Data
- Census Tract Information (PDF)
- List of Valid 2010 Census Tracts (Excel)
- Visualizing Census Tracts in Google Earth (PDF)
- Census Block Information (PDF)
- List of 2010 Census Blocks by State
- Using Census's Geocoder (PDF)
- Find Service Area Census Blocks Using QGIS (PDF)
- Broadband Availability Data added 9/25/14
Form 477 Data:
Sharing Form 477 Subscription Data: