Herald Harbor, Maryland

Nearest ZIP codes to Herald Harbor

These are the ZIP codes nearest to Herald Harbor, each listed with the post office it is named after.

Area codes for Herald Harbor

• 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

Herald Harbor is in the Eastern Time zone.

Towns near Herald Harbor

• Crownsville1.6 km (1.0 mi)
• Arden on the Severn2.6 km (1.6 mi)
• Pasadena2.6 km (1.6 mi)
• Severna Park3.6 km (2.2 mi)
• Glen Burnie6.1 km (3.8 mi)
• Arnold7 km (4.3 mi)
• Millersville7 km (4.3 mi)
• Parole7.3 km (4.5 mi)