---
kind: "section"
citation: "47 C.F.R. § 73.505"
title: "47"
number: "73.505"
heading: "Zones."
url: "https://uscodex.org/cfr/47/73.505"
---

# §73.505. Zones.


For the purpose of assignment of noncommercial educational FM stations, the United States is divided into three zones, Zone I, Zone I-A, and Zone II, having the boundaries specified in [§ 73.205](/cfr/47/73.205.md).


## Notes

### Amendments

[42 FR 36828, July 18, 1977]

### Source

Source: 28 FR 13651, Dec. 14, 1963, unless otherwise noted. Redesignated at 72 FR 45692, Aug. 15, 2007.

### Authority

Authority: 47 U.S.C. 154, 155, 301, 303, 307, 309, 310, 334, 336, 339.

### Amendments

[42 FR 36828, July 18, 1977]