---
kind: "section"
citation: "47 C.F.R. § 64.1506"
title: "47"
number: "64.1506"
heading: "Number designation."
url: "https://uscodex.org/cfr/47/64.1506"
---

# §64.1506. Number designation.


Any interstate service described in [§ 64.1501(a)(1)-(2)](/cfr/47/64.1501.md?p=a-1..a-2), and not subject to the exclusions contained in [§ 64.1501(a)(4)](/cfr/47/64.1501.md?p=a-4), shall be offered only through telephone numbers beginning with a 900 service access code.


## Notes

### Amendments

[59 FR 46770, Sept. 12, 1994]

### Source

Source: 58 FR 44773, Aug. 25, 1993, unless otherwise noted.

### Authority

Authority: 47 U.S.C. 151, 152, 154, 201, 202, 217, 218, 220, 222, 225, 226, 227, 227b, 228, 251(a), 251(e), 254(k), 255, 262, 276, 403(b)(2)(B), (c), 616, 620, 716, 1401-1473, unless otherwise noted; Pub. L. 115-141, Div. P, sec. 503, 132 Stat. 348, 1091; Pub. L. 117-338, 136 Stat. 6156.

### Source

Source: 28 FR 13239, Dec. 5, 1963, unless otherwise noted.

### Amendments

[59 FR 46770, Sept. 12, 1994]