Regional Codes ...
For statistical purposes, the US Census Bureau has divided the country into four Regions. Mountain Brook is located in Region #3 (the South Region).
In turn, the US Census Bureau has further divided each Region into Divisions. Mountain Brook is located in Division #6 (the East South-Central Division).
The Office of Management and Budget (OMB) has created ten Federal Regions. Mountain Brook is located in Region IV (Region 4).
Referenced GNIS Records ...
GNIS ID #123503 (Name of Record: Mountain Brook)
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.
Map Name: Birmingham North
Lat: 33.5009384 Lon: -86.7522107 [Map]
GNIS ID #2404329 (Name of Record: City of Mountain Brook)
A political division formed for administrative purposes (such as a borough, county, incorporated place, parish, town or township).
A 'civil' record may have a corresponding 'census' or 'populated place' record. The information contained in the 'civil' record applies only to the class and should not be confused with either the 'census' and 'populated place' classes.
Map Name: Cahaba Heights
Lat: 33.4870283 Lon: -86.740192 [Map]
Referenced FIPS Records ...
FIPS Code: 01/51696 (Place Name: Mountain Brook)
County: Jefferson (FIPS State/County: 01/073)
Identifies an incorporated place (ie- Mountain Brook) that does not serve as a primary county division - or in other words, it is included in and is part of a primary county division (ie- Jefferson County).
GSA Code: 2170
MRF Code: 1205
MSA Code: 1000