Upperco, Maryland

ZIP codes in Upperco

Area codes for Upperco

• 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

Upperco is in the Eastern Time zone.

Towns near Upperco

• Boring5.2 km (3.2 mi)
• Butler6 km (3.7 mi)
• Hampstead7.8 km (4.8 mi)
• Sparks Glencoe10.1 km (6.3 mi)
• Glyndon10.2 km (6.3 mi)
• Reisterstown12 km (7.5 mi)
• Finksburg12.3 km (7.6 mi)
• Parkton13.4 km (8.3 mi)