North (Lake County and nearby areas)
- Bannockburn
- Deerfield
- Glencoe
- Glenview
- Highland Park
- Highwood
- Lake Bluff
- Lake Forest
- Northbrook
- Riverwoods
- Wilmette
- Winnetka
West (Cook and other areas toward the west):
- Hoffman Estates
- Inverness
- Mount Prospect
- Palatine
- Prospect Heights
- Rolling Meadows
- Wheeling
Others (Closer to or within mixed regions like Lake-Cook borders or central areas):
- Indian Creek
- Kildeer
- Lake Zurich
- Lincolnshire
- Glencoe
- Long Grove
- Mettawa
- Mundelein
- Vernon Hills
- Wauconda