Regional Codes ...
For statistical purposes, the US Census Bureau has divided the country into four Regions. Irondale is located in Region #3 (the South Region).
In turn, the US Census Bureau has further divided each Region into Divisions. Irondale is located in Division #6 (the East South-Central Division).
The Office of Management and Budget (OMB) has created ten Federal Regions. Irondale is located in Region IV (Region 4).
Referenced GNIS Records ...
GNIS ID #120702 (Name of Record: Irondale)
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: Irondale
Lat: 33.5381601 Lon: -86.7072102 [Map]
GNIS ID #2404765 (Name of Record: City of Irondale)
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: Irondale
Lat: 33.533777 Lon: -86.67695 [Map]
Referenced FIPS Records ...
FIPS Code: 01/37864 (Place Name: Irondale)
County: Jefferson (FIPS State/County: 01/073)
Identifies an incorporated place (ie- Irondale) 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: 1750
MRF Code: 945
MSA Code: 1000