Form 477 Resources for Filings through June 30, 2022

For Filings as of December 31, 2019 through June 30, 2022:

• Instructions (PDF)
• Legacy Filing Interface (PDF)
• Who Must File? (PDF)
• Glossary (PDF)
• Section-Specific Information:
  • Fixed Broadband Deployment:
    Terms | Formatting Info | Sample File | Excel Template
  • Fixed Broadband Subscription:
    Terms | Formatting Info | Sample File | Excel Template
  • Mobile Broadband Deployment:
    Terms | Formatting Info | Shapefile Template
  • Mobile Voice Deployment:
    Terms | Formatting Info | Shapefile Template

For Filings as of June 30, 2014 through June 30, 2019:

• Instructions (PDF)
• Who Must File? (PDF)
• Glossary (PDF)
• Section-Specific Information:
  • Fixed Broadband Deployment:
    Terms | Formatting Info | Sample File | Excel Template
  • Mobile Broadband Deployment:
    Terms | Formatting Info | Shapefile Template
  • Mobile Broadband Service Availability:
    Terms | Formatting Info | Sample File | Excel Template
  • Mobile Voice Deployment:
    Terms | Formatting Info | Shapefile Template

For Filings through December 31, 2013:

• Instructions (PDF)
• Screen Shots (PDF)

The Form 477 interface for filings through December 31, 2013 is no longer accessible.  Filers looking to retrieve data submitted through that system should send an email to 477INFO@fcc.gov.

Geographical Resources:

Fixed Broadband Deployment

• Creating Fixed Broadband Deployment Data
• Overview of Census Blocks (PDF):  2010 | 2020
• List of Census Blocks by State:  2010 | 2020 
• U.S. Census Bureau - Census Block Maps:  2010 | 2020
• Using Census's Geocoder (PDF):  2010 | 2020
• Find Your Service Area Census Blocks Using QGIS (PDF)  

Fixed Broadband Subscription

• Overview of Census Tracts (PDF):  2010 | 2020
• List of Census Tracts (Excel):  2010 | 2020
• U.S. Census Bureau - Census Tract Maps:  2010 | 2020
• Visualizing Census Tracts in Google Earth (PDF):  2010 | 2020