Willoughby Hills - 440 dialing code
Dialing code +1 (440) cities
- Rock Creek
- Madison
- Sheffield
- Avon
- Geneva
- Perry
- LaGrange
- Edgewood
- Orange
- Amherst
- Wellington
- Bainbridge
- Jefferson
- Oakwood
- Parma
- Rochester
- Vermilion
- Andover
- Grafton
- Fairview Park
- Bedford
- Solon
- Grand River
- Mayfield
- Wickliffe
- Berea
- Highland Heights
- Mentor
- Oberlin
- Westlake
- South Amherst
- Eastlake
- Burton
- Elyria
- Kirtland
- Bedford Heights
- Lyndhurst
- West Farmington
- Aquilla
- Ashtabula
- Austinburg
- Avon Lake
- Bay Village
- Bentleyville
- Beulah Beach
- Brecksville
- Broadview Heights
- Chagrin Falls
- Chardon
- Chesterland
- Conneaut
- Eaton Estates
- Fairport Harbor
- Gates Mills
- Geneva-on-the-Lake
- Glenwillow
- Hunting Valley
- Kipton
- Kirtland Hills
- Lakeline
- Lorain
- Mayfield Heights
- Mentor-on-the-Lake
- Middleburg Heights
- Middlefield
- Moreland Hills
- North Kingsville
- North Madison
- North Olmsted
- North Perry
- North Ridgeville
- North Royalton
- Olmsted Falls
- Orwell
- Painesville
- Parma Heights
- Pheasant Run
- Roaming Shores
- Rocky River
- Sheffield Lake
- South Russell
- Strongsville
- Timberlake
- Waite Hill
- Wakeman
- Walton Hills
- Willoughby
- Willoughby Hills
- Willowick
