What is the area code for White Marsh, MD?

White Marsh uses 3 area codes: 410, 443 and 667. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.

What time zone is White Marsh in?

White Marsh is in the Eastern time zone.

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White Marsh, Maryland (population 10,480) uses area codes 410, 443 and 667.

Area code410

Area code443

Area code667

Time zoneEastern

Local time now…

White Marsh has no telephone exchange of its own in NANPA records; it is served by the Parkville exchange about 8 km away.

White Marsh and nearby cities in area code 410

34 prefixes are assigned to the Parkville exchange: 12% mobile, 35% VoIP and cable, 53% landline.

Area code	Prefixes serving White Marsh	Main carriers in this code
410	14	Verizon, Verizon Wireless, AT&T Mobility
443	14	Paetec Itel, Verizon Wireless, T-Mobile
667	6	Onvoy (Sinch), AT&T Mobility, T-Mobile

Numbers starting with these first six digits were originally assigned to the Parkville exchange.

What is the area code for White Marsh, MD?: White Marsh uses 3 area codes: 410, 443 and 667. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is White Marsh in?: White Marsh is in the Eastern time zone.