Information Resources and Technology Management


You are invited to read the definitions of terms used in this data standard.

Region Number
Unique one-digit number assigned to regional offices within the Service that have responsibility for program and/or administrative activities within a geographically-defined area. 
N, where N represents a number of 1 through 9. 
Recommended Field Name REGION
The official names and abbreviations to be used with this data element are described in the reference. 
Historical Data For information on past versions of this standard, contact the Chief Data Officer

Part 270, FW 6, Data Management and Standards, has been superceded by Part 274, FW 2, Establishing Service Data Standards.

Part 040, FW 1, U.S. Fish and Wildlife Service.

Use Instructions
As of the approval date, this data element will be used in any new automated system, data set, database, or information application, including new Geographic Information System (GIS) data and applications. This data element will also be used in any major modifications to existing systems or versions of these data-related items that use regional office numbers to identify Service organizations, and/or to track information and account codes by Service organization, within a geographically-defined area.

Service staff are strongly encouraged to utilize this data element in existing systems, data sets, databases, and information applications. Where existing systems and data-related items are not in compliance, they should be modified to achieve compatibility and implement this data standard.

The official name of each regional office is the word Region, followed by the appropriate Arabic numeral (e.g., Region 1); the standard abbreviation is R1.

Approval Date
July 13, 1999
Validation Date
November 29, 2013
Data Steward
Chief Data Officer


Last updated: May 9, 2019