Baltimore skyline, home of the 443 area code

443 area code: location, overlays and numbers

In Baltimore, Maryland, 443 has served as a US telephone area code since 1997. It shares an overlay with 410 and 667.

Location
Baltimore, Maryland
Serving since
1997
Local time zone
Eastern time zone
Calls inside the area
10-digit dialing
The rate centres
102
Projected exhaustion
2036
Code for the country
+1 (United States)

Source: NANPA public reports, including the area code report and the rate-centre report. The file is dated 11/01/2026, and the exhaust year comes from 2026-1 (April 2026) in the NANPA projections. We are not an official NANPA site.

Get a number using the 443 area code

A 443 number can be obtained in two ways. A provider assigns a new number through its plan, chosen when you sign up out of the numbers it holds in the code. Sellers offer numbers they already hold, often with a pattern, at a one-time price, and you move your chosen number to a provider afterward.

Providers, sorted by first-year cost

ProviderCheapest planFirst yearLink
Google Voice logoFree appBasic (Just for me), free$0Open Google Voice
TextNow logoFree appFree plan, free$0Open TextNow
Twilio logoDeveloper APIPay-as-you-go local number, $1.15 a month$13.80Open Twilio
Burner logoSecond-number appStandard, $3.99 a month billed yearly$47.99Open Burner
UniTel Voice logoToll-free specialistSolo, $6.99 a month billed yearly$84Open UniTel Voice
GoDaddy Conversations (formerly Smartline) logoSecond-number appDeluxe (local number), $6.99 a month billed yearly$102.88Open GoDaddy Conversations (formerly Smartline)

Sellers listing local numbers

SellerWhat it sellsListed priceMonthly feeLink
Exclusive Digits logoMarketplaceLocal numbersFrom $9 one-timeNone statedSearch at Exclusive Digits
NumberBarn logoMarketplaceLocal and toll-freeFrom $9.95 one-time$2.99 a monthSearch at NumberBarn
RingBoost logoNumber brokerLocal and toll-freeFrom $99 one-timeNone statedSearch at RingBoost
PhoneNumberExpert logoNumber brokerLocal and toll-freeFrom $100 one-timeNone statedSearch at PhoneNumberExpert
212areacode.comNumber brokerLocal numbersFrom $150 one-timeNone statedSearch at 212areacode.com

Some sellers and providers may pay us a referral fee. Referral fees do not affect the order, which is based on first-year cost. How we make money

Compare all ways to get a 443 number

Places in the 443 area code

For 443, NANPA lists 102 rate centres. Each one is a local calling area where numbers get assigned:

Pikesville, Perryville, Parkville, Parkton, Oxford, Odenton, Ocean City, North Beach, North East, New Windsor, Nanticoke, Millington, Millersville, Marion, Jarrettsville, Hurlock, Hillsboro, Havre De Grace, Hampstead, Greensboro, Glenwood, Glen Burnie, Galena, Fork, Federalsburg, Fallston, Essex, Ellicott City, Elkton, Elkridge, Edgewood, Easton, Dundalk, Denton, Delmar, Deal Island, Darlington, Crofton, Crisfield, Columbia, Cockeysville, Churchville, Church Hill, Chestertown, Chesapeake City, Chase, Centreville, Cecilton, Catonsville, Cardiff, Cambridge, Brooklyn Park Linthicum, Bishopville, Berlin, Bel Air, Baltimore, Armiger-gibson Island, Arbutus, Annapolis, Aberdeen and 42 more.

Other related area codes

One area, one pool of numbers: 410 area code and 667 area code. Any of these codes may provide a new number in this area, so ask for the one you want.

Maryland has other area codes too: 301, 240 and 227.

City guides: Area codes in Baltimore.

443 area code questions

Where is the 443 area code located?

Calls to the 443 code ring in Baltimore, Maryland, in the area around Baltimore-Columbia-Towson, MD.

What country code does a 443 number use?

+1. Because 443 belongs to the North American Numbering Plan, from abroad you dial +1 443 and then the 7-digit number.

What time is it in the 443 area code?

443 stays on Eastern time.

Who calls with a 443 number?

Homes, mobiles, local businesses and callers who fake a local number all use numbers in this code. If you see a 443 number on your screen, it indicates where it was assigned rather than who is calling.

Is a 443 number toll-free?

No. 443 is a local rather than toll-free area code. Calls to it are billed in the same way as any other US call. In the US, toll-free calls use the prefixes 800, 888, 877, 866, 855, 844 and 833.