The Form 477 filing interface has been reopened.  The deadline for filing data as of December 31, 2016 is March 24, 2017. 

Filing Form 477:

 

Instructions, Guides & FAQs:

 

Geographical Resources:

 

Data & Reports:

Form 477 Orders and Other Releases

 

Form 477 General Questions: email 477info@fcc.gov or call 202-418-0940.

 

Bureau/Office: 

Updated: 
Tuesday, May 6, 2014