# Numbering Resource Optimization
> **Federal Communications Commission** · Final rule; announcement of effective date. · Published 2001-02-23 · Effective 2001-01-25 · 66 FR 11236
## Document
- **Document number:** 01-4425
- **Category:** other
- **Federal Register citation:** 66 FR 11236
- **CFR reference:** 47 CFR 52
- **Publication date:** 2001-02-23
- **Effective date:** 2001-01-25
- **FCC docket:** CC Docket No. 99-200
## Abstract

The Federal Communications Commission (FCC or Commission) amended its rules in order to ensure that the numbering resources of the North American Numbering Plan (NANP) are used efficiently, and that all carriers have the numbering resources they need to compete in the rapidly expanding telecommunications marketplace.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/02/23/01-4425/numbering-resource-optimization)
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