Regional Codes ...
For statistical purposes, the US Census Bureau has divided the country into four Regions. Birch Creek is located in Region #4 (the West Region).
In turn, the US Census Bureau has further divided each Region into Divisions. Birch Creek is located in Division #9 (the Pacific Division).
The Office of Management and Budget (OMB) has created ten Federal Regions. Birch Creek is located in Region X (Region 10).
Referenced GNIS Records ...
GNIS ID #1399049 (Name of Record: Birch Creek)
Class: populated place
A place or area having clustered or scattered buildings and a permanent population (such as a city, settlement, town or village). The boundaries may or may not coincide with the perceived population.
A 'populated place' record may have a corresponding 'census' or 'civil' record. The information contained in the 'populated place' record applies only to the class and should not be confused with either the 'census' and 'civil' classes.
County: Yukon-Koyukuk (CA)
Map Name: Fort Yukon B-4
Lat: 66.2590355 Lon: -145.8190168 [Map]
Referenced FIPS Records ...
FIPS Code: 02/07620 (Place Name: Birch Creek)
County: Yukon-Koyukuk (CA) (FIPS State/County: 02/290)
GSA Code: 295
MRF Code: 340