Sikeston, Missouri
From Geohashing
The Sikeston, Missouri graticule is at latitude 36, longitude -89. It is one of 14 known graticules to span 4 US states, as it contains parts of Missouri, Tennessee, Kentucky, and a very small portion of Illinois. It nearly contains part of Arkansas, making it one of several graticules to almost contain parts of 5 US states (although the Dalhart, Texas graticule comes significantly closer).