443 Area Code 🌍☎️

Area Code Profile · Maryland

The 443 area code is located in the state of Maryland and covers 208 cities, serving a total population of approximately 2,494,000. Major cities covered by the 443 area code include Baltimore, Columbia, Glen Burnie, Ellicott City, Dundalk (which represents the most populated areas). There are a total of 785 telephone prefix exchanges in this area code, which support an estimated 7,850,000 active or assignable phone numbers. These prefix lines are operated by 34 distinct carriers, with Baltimore as the primary rate center location.

Eastern Time208 Cities785 Prefixes

Reverse Phone Lookup in Baltimore, Maryland

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (443).

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Neighborhood Demographics

Calculated demographics and census summary estimations for area code 443.

48.4 y/oMedian Age

$59,900Median Income

$484,000Median Home Value

2,494,000Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 443.

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(443) 535-7640May 20, 2026Debt Collector

Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.

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(443) 548-7657May 19, 2026Political

Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.

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(443) 561-7674May 18, 2026Scam / Fraud

Received a text and follow-up call saying my bank account was locked due to suspicious transactions. Included a link to a fake login portal. Do not click!

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(443) 574-7691May 17, 2026Robocall

Robocall regarding health insurance plans. Said my current coverage was expiring and offered a "free consultation". Calling multiple times a day from slightly different numbers.

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(443) 587-7708May 16, 2026Scam / Fraud

Robocall claiming to be from the IRS. Stated that my Social Security Number has been flagged and suspended. Asked to press 1 to speak with an agent. Obvious phishing scam.

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Cities in the 443 Area Code

The most populous cities in area code 443 are: Baltimore (620,961), Columbia (99,615), Glen Burnie (67,639), Ellicott City (65,834), and Dundalk (63,597).

Other cities in the 443 area code include:

Towson, Bel Air South, Severn, Catonsville, Essex, Annapolis, Woodlawn, Severna Park, Odenton, Randallstown, Pikesville, Parkville, Owings Mills, Bel Air North, Eldersburg, Salisbury, Carney, Milford Mill, Perry Hall, Crofton, Reisterstown, Edgewood, Lochearn, Middle River, Pasadena.

City	Population	% in Area Code
Baltimore	620,961	100%
Columbia	99,615	93%
Glen Burnie	67,639	100%
Ellicott City	65,834	100%
Dundalk	63,597	100%
Towson	55,197	100%
Bel Air South	47,709	100%
Severn	44,231	100%
Catonsville	41,567	100%
Essex	39,262	100%
Annapolis	38,394	100%
Woodlawn	37,879	100%
Severna Park	37,634	100%
Odenton	37,132	100%
Randallstown	32,430	100%
Pikesville	30,764	100%
Parkville	30,734	100%
Owings Mills	30,622	100%
Bel Air North	30,568	100%
Eldersburg	30,531	100%

Showing top 20 of 208 cities.

What Time Zone is Area Code 443?

Eastern Time Zone

Abbreviation: ET · UTC Offset: UTC-5

The 443 area code lies within the Eastern Time Zone (ET, UTC-5).

Nearby Area Codes

227Germantown, Maryland 240Germantown, Maryland 301Germantown, Maryland 410Baltimore, Maryland 667Baltimore, Maryland

Phone Prefixes in the 443 Area Code

785 prefixes found · 34 carriers · 81 rate centers

Prefix	Carrier	Rate Center
(443) 200	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	WOODLAWN
(443) 201	NEW CINGULAR WIRELESS PCS, LLC - DC	WESTMINSTR
(443) 202	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE
(443) 203	VERIZON MARYLAND, INC.	WEST RIVER
(443) 204	NEW CINGULAR WIRELESS PCS, LLC - DC	PIKESVILLE
(443) 205	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	CAMBRIDGE
(443) 206	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	PERRYVILLE
(443) 207	OMNIPOINT COMMUNICATIONS ENTERPRISES, LP	ELKTON
(443) 208	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE
(443) 209	CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD	HAVREGRACE
(443) 210	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	SALISBURY
(443) 212	US LEC OF MARYLAND, INC.	SPARKSGLNC
(443) 213	VERIZON MARYLAND, INC.	PIKESVILLE
(443) 214	NEW CINGULAR WIRELESS PCS, LLC - DC	ANNAPOLIS
(443) 215	CORE COMMUNICATIONS, INC.- MD	CHESTERTN
(443) 216	CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD	DUNDALK
(443) 217	CORE COMMUNICATIONS, INC.- MD	ANNAPOLIS
(443) 218	GLOBAL CROSSING LOCAL SERVICES, INC. - MD	WORTHINGTN
(443) 219	LEVEL 3 COMMUNICATIONS, LLC - MD	PARKVILLE
(443) 220	VERIZON MARYLAND, INC.	BALTIMORE
(443) 221	LEVEL 3 COMMUNICATIONS, LLC - MD	ANNAPOLIS
(443) 222	ONVOY, LLC - MD	WORTHINGTN
(443) 223	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	ANNAPOLIS
(443) 224	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	BALTIMORE
(443) 225	METROPCS, INC.	CAMBRIDGE
(443) 226	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE
(443) 227	CTC COMMUNICATIONS CORP. - MD	PT DEPOSIT
(443) 228	US LEC OF MARYLAND, INC.	CHASE
(443) 229	CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD	SEVERNA PK
(443) 230	CTC COMMUNICATIONS CORP. - MD	ODENTON
(443) 231	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ESSEX
(443) 232	CORE COMMUNICATIONS, INC.- MD	WILLARDS
(443) 233	CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD	VIENNA
(443) 234	CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD	SNOW HILL
(443) 235	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	SALISBURY
(443) 236	CORE COMMUNICATIONS, INC.- MD	CARDIFF
(443) 237	CORE COMMUNICATIONS, INC.- MD	NORTHBEACH
(443) 238	CTC COMMUNICATIONS CORP. - MD	PARKTON
(443) 239	NEW CINGULAR WIRELESS PCS, LLC - DC	EASTON
(443) 240	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE
(443) 241	ONVOY, LLC - MD	WESTMINSTR
(443) 242	CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD	SPARROWSPT
(443) 243	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	FALLSTON
(443) 244	LEVEL 3 COMMUNICATIONS, LLC - MD	WESTMINSTR
(443) 245	CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD	ELKTON
(443) 246	CORE COMMUNICATIONS, INC.- MD	ELKTON
(443) 247	CTC COMMUNICATIONS CORP. - MD	UNION BDG
(443) 248	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE
(443) 249	VERIZON MARYLAND, INC.	STEVENSVL
(443) 250	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE
(443) 251	ONVOY, LLC - MD	CATONSVL
(443) 252	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	PERRYVILLE
(443) 253	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE
(443) 254	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	ANNAPOLIS
(443) 255	NEW CINGULAR WIRELESS PCS, LLC - DC	BALTIMORE
(443) 256	CTC COMMUNICATIONS CORP. - MD	NORTH EAST
(443) 257	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE
(443) 258	NEW CINGULAR WIRELESS PCS, LLC - DC	EASTON
(443) 259	VERIZON MARYLAND, INC.	COLUMBIA
(443) 260	VERIZON MARYLAND, INC.	SALISBURY
(443) 261	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	SEVERNA PK
(443) 262	VERIZON MARYLAND, INC.	CENTREVL
(443) 263	VERIZON MARYLAND, INC.	BALTIMORE
(443) 264	CORE COMMUNICATIONS, INC.- MD	PIKESVILLE
(443) 265	CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD	FORK
(443) 266	GLOBAL CROSSING LOCAL SERVICES, INC. - MD	GLENWOOD
(443) 267	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	DARLINGTON
(443) 268	CORE COMMUNICATIONS, INC.- MD	BALTIMORE
(443) 269	CORE COMMUNICATIONS, INC.- MD	TOWSON
(443) 270	PAETEC COMMUNICATIONS, INC. - MD	GLENBURNIE
(443) 271	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	BALTIMORE
(443) 272	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	RANDALLSTN
(443) 273	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	REISTERSTN
(443) 274	VERIZON MARYLAND, INC.	SEVERN
(443) 275	COMCAST IP PHONE, LLC	TOWSON
(443) 276	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	COLUMBIA
(443) 277	METROPCS, INC.	SYKESVILLE
(443) 278	VDL, INC. DBA GLOBAL TELECOM BROKERS - MD	BALTIMORE
(443) 279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	TOWSON
(443) 280	NEW CINGULAR WIRELESS PCS, LLC - DC	SYKESVILLE
(443) 281	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	COCKEYSVL
(443) 282	METROPCS, INC.	CHESTERTN
(443) 283	PAETEC COMMUNICATIONS, INC. - MD	COLUMBIA
(443) 284	CORE COMMUNICATIONS, INC.- MD	WATERLO238
(443) 285	VERIZON MARYLAND, INC.	COLUMBIA
(443) 286	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	BALTIMORE
(443) 287	VERIZON MARYLAND, INC.	BALTIMORE
(443) 288	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	ELLICOTTCY
(443) 289	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	WESTMINSTR
(443) 290	LEVEL 3 TELECOM OF MARYLAND, LLC - MD	PARKVILLE
(443) 291	GLOBAL CROSSING LOCAL SERVICES, INC. - MD	HAMPSTEAD
(443) 292	LEVEL 3 COMMUNICATIONS, LLC - MD	CROFTON
(443) 293	GLOBAL CROSSING LOCAL SERVICES, INC. - MD	WESTMINSTR
(443) 294	GLOBAL CROSSING LOCAL SERVICES, INC. - MD	WEST RIVER
(443) 295	LEVEL 3 COMMUNICATIONS, LLC - MD	PRINCEFRCK
(443) 296	GLOBAL CROSSING LOCAL SERVICES, INC. - MD	WATERLO238
(443) 297	TELEPORT COMMUNICATIONS AMERICA, LLC - MD	ARBUTUS
(443) 298	NEW CINGULAR WIRELESS PCS, LLC - DC	EASTON
(443) 299	GLOBAL CROSSING LOCAL SERVICES, INC. - MD	FALLSTON
(443) 300	LEVEL 3 COMMUNICATIONS, LLC - MD	SYKESVILLE

Showing first 100 of 785 prefixes.

Frequently Asked Questions

Where is area code 443?

Area code 443 is located in Maryland, covering cities including Baltimore, Columbia, Glen Burnie.

What time zone is area code 443?

Area code 443 is in the Eastern Time Zone (ET, UTC-5).

What state is area code 443?

Area code 443 is in Maryland.