Most of the county's land lies within the famed King Ranch, which also extends into neighboring counties.

Some of these wilderness areas also extend into neighboring counties.

Upstate California contains the following telephone area codes, each of which also extend into counties bordering on the south:

Several extend into neighboring counties (as indicated below).

Two of these extend into neighboring counties (as indicated below).

The forest is located overwhelmingly (almost 95%) in Lincoln County, Montana, but extends into neighboring counties.

Only three Colorado county seats extend into other counties:

All but one line extend into neighboring counties.

Several of the county's cities extend into other counties.

Some extend into neighboring counties, as indicated.