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Form 477 Resources for Filers

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.

The deadline for the submission of data as of June 30, 2014 has been extended beyond October 1. Once the site reopens, we will announce the new filing deadline.

Filing Form 477 - Getting Started:

Complete Instructions (PDF) updated 9/12/14
Interface User Guide (PDF)
Information on Formatting Upload Files updated 9/12/14
Frequently Asked Questions (PDF) updated 10/9/14
More Information...

Geographical Resources:

Changes to Form 477 Adopted in 2013

Commission Orders and Other Releases

Form 477 Resources for Filings through 12/31/13

Form 477 Data:

Sharing Form 477 Subscription Data:

Form 477 Filing Assistance: call 1-877-480-3201 or 1-717-338-2824 (TTY), or submit a request online via e-support.
Other Form 477 Questions: email 477info@fcc.gov or call 202-418-0940.

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