Catonsville, Maryland

ZIP codes in Catonsville

Area codes for Catonsville

• Area code 410

  In service since October 6, 1991. Shares its area with 443 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 443

  In service since June 1, 1997. Shares its area with 410 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 667

  In service since March 24, 2012. Shares its area with 410 and 443. 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

Catonsville is in the Eastern Time zone.

Towns near Catonsville

• Woodlawn3.1 km (1.9 mi)
• Arbutus5.7 km (3.5 mi)
• Gwynn Oak5.7 km (3.5 mi)
• Halethorpe6.4 km (4.0 mi)
• Ilchester7.2 km (4.5 mi)
• Windsor Mill7.2 km (4.5 mi)
• Lochearn7.8 km (4.8 mi)
• Lansdowne8 km (5.0 mi)