Area code · Maryland
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443 is an overlay area code for Baltimore, Maryland, and it reads as local across the wider Baltimore metro. You pick it right in the Ghost app, no new SIM or plan required, and you can start calling and texting in minutes.
If you're selling something online to people in Baltimore or Columbia, a 443 number signals you're nearby instead of an out-of-state stranger.
Relocating to Baltimore, Ellicott City, or Glen Burnie? Get the 443 number set up ahead of time so your contacts already see a local code.
Moved away from Maryland but still job hunting or staying in touch with people back in Baltimore? Keep your 443 number instead of switching to wherever you land.
Give out a 443 number for dating apps around Baltimore or Columbia and keep your main line for family and close friends.
443 shows up on caller ID as familiar to people in Baltimore, Columbia, and Glen Burnie, which matters when you're calling for a job, a sale, or a favor.
Choose any 443 area code, or any other US or Canadian code.
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Get My 443 NumberArea code
443
State
Maryland
Overlay codes
240, 301, 410, 667
Cities served
12+
The 443 area code covers Baltimore and reaches into the surrounding central Maryland communities, including Columbia, Ellicott City, and Glen Burnie. It also extends into parts of the broader region that includes Germantown, Frederick, Waldorf, and Silver Spring.
443 is an overlay code that shares its territory with 410 and 667 in the Baltimore area, meaning all three codes can be assigned to the same neighborhoods. Nearby 240 and 301 serve overlapping Maryland communities closer to the DC suburbs, so you'll see all five codes in circulation across the region.
The entire region runs on Eastern time. Calls and texts between 443 numbers and any other US or Canada number work the same regardless of which area code either side is using.
Coverage from public numbering and census data. Sources
Local economy
The Baltimore metro that 443 serves is anchored by healthcare, education, and shipping, drawing workers and businesses from Columbia to Glen Burnie.
Baltimore is home to major hospital systems and research institutions that employ people across the region, from clinicians to administrative staff.
Universities and colleges in and around Baltimore bring students, faculty, and staff into the area year round, many of them needing a local number fast.
Baltimore's port and surrounding warehouses and distribution centers support jobs in shipping, freight, and supply chain work throughout the metro.
You can pick a 443 number in the Ghost app and start using it in minutes. No store visit, no new SIM, no waiting on a carrier.
443 covers Baltimore and reaches Columbia, Germantown, Frederick, Waldorf, Silver Spring, Ellicott City, and Glen Burnie across central Maryland.
No. It's an overlay code that runs alongside 410 and 667 across the Baltimore area, and it neighbors 240 and 301, which cover nearby Maryland communities.
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Pick a 443 (or 240, 301, 410, 667) number and start calling and texting in minutes.
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