# The Use of N11 Codes and Other Abbreviated Dialing Arrangements
> **Federal Communications Commission** · Final rule. · Published 2005-04-13 · Effective 2005-05-13 · 70 FR 19321
## Document
- **Document number:** 05-7179
- **Category:** other
- **Federal Register citation:** 70 FR 19321
- **CFR reference:** 47 CFR 52
- **Publication date:** 2005-04-13
- **Effective date:** 2005-05-13
- **FCC docket:** CC Docket No. 92-105
## Abstract

In this document, the Commission designates 811 as the national abbreviated dialing code to be used by state One Call notification systems for providing advanced notice of excavation activities to underground facility operators in compliance with the Pipeline Safety Improvement Act of 2002 (the Pipeline Safety Act). This Order implements the Pipeline Safety Act, which provides for the establishment of a nationwide toll-free abbreviated dialing arrangement to be used by state One Call notification systems.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/04/13/05-7179/the-use-of-n11-codes-and-other-abbreviated-dialing-arrangements)
---
*AI Analytics · CC0 1.0*