Maryland area codes
Maryland has 6 area codes. Washington alone has three. All on Eastern Time.
Calling Maryland right now
Calling hours: Every day, 8 AM to 8 PM (Maryland law)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
When can you call Maryland numbers?
Sales calls to homes and cell phones have legal hours, set by Maryland law. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.
What applies in MarylandEvery day, 8 AM to 8 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Maryland lawEvery day, 8 AM to 8 PMAlso no more than 3 calls in 24 hours on the same subject.Md. Code, Com. Law 14-4502(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
Maryland area code FAQ
How many area codes does Maryland have?
6: 227, 240, 301, 410, 443 and 667.
What time zone is Maryland area codes in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
What is the newest Maryland area code?
227, in service since June 14, 2023.
When can you call Maryland numbers?
Every day, 8 AM to 8 PM, local time, under Maryland law.
Calling Maryland numbers? Reach more of them.
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