Level 3 in Topeka, KS
These numbers are located in the city of Topeka part of Shawnee county. There are a few other subcodes that cover this area as well so take care not to confuse them.
Shawnee county is situated in Kansas and operates CT (UTC -06:00) time. This number group covers the 66603, 66614, 66647, & 66606 zip codes.