# Nationwide Number Portability; Numbering Policies for Modern Communications
> **Federal Communications Commission** · Final rule. · Published 2018-08-20 · Effective 2018-09-19 · 83 FR 42045
## Document
- **Document number:** 2018-17843
- **Category:** other
- **Federal Register citation:** 83 FR 42045
- **CFR reference:** 47 CFR 51
- **Publication date:** 2018-08-20
- **Effective date:** 2018-09-19
- **FCC docket:** WC Docket Nos. 17-244, 13-97
## Abstract

In this document, the Federal Communications Commission (Commission) adopts final rules based on public comments to promote nationwide number portability. These rules eliminate unnecessary toll interexchange dialing parity requirements and database query requirements that may result in obstacles and inefficiencies in an eventual nationwide number portability regime.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/08/20/2018-17843/nationwide-number-portability-numbering-policies-for-modern-communications)
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