Willoughby, Ohio

ZIP codes in Willoughby

Area codes for Willoughby

• Area code 440

  In service since August 16, 1997. Shares its area with 436. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 436

  In service since March 1, 2024. Shares its area with 440. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Willoughby is in the Eastern Time zone.

Towns near Willoughby

• Waite Hill3.3 km (2.1 mi)
• Eastlake4.1 km (2.5 mi)
• Timberlake4.5 km (2.8 mi)
• Lakeline4.8 km (3.0 mi)
• Willowick5.1 km (3.2 mi)
• Willoughby Hills6 km (3.7 mi)
• Wickliffe6.2 km (3.9 mi)
• Kirtland Hills6.7 km (4.2 mi)