47 CFR § 1.8001 - FCC Registration Number (FRN).

---
identifier: "/us/cfr/t47/s1.8001"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 1.8001 - FCC Registration Number (FRN)."
title_number: 47
title_name: "Telecommunication"
section_number: "1.8001"
section_name: "FCC Registration Number (FRN)."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "1"
part_name: "PRACTICE AND PROCEDURE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. chs. 2, 5, 9, 13; 28 U.S.C. 2461 note; 47 U.S.C. 1754, unless otherwise noted."
cfr_part: "1"
---


# 1.8001 FCC Registration Number (FRN).

(a) The FCC Registration Number (FRN) is a 10-digit unique identifying number that is assigned to entities doing business with the Commission.

(b) The FRN is obtained through the Commission Registration System (CORES) over the Internet at the CORES link at *www.fcc.gov* or by filing FCC Form 160.