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Area Code 443 Location & Details

State / Region: Maryland • Country: United States

Major Cities Covered: Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge

Standard Dial Format
+1 (443) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 443?
MarylandState Hub →
Country Territory
United States
443 Area Code Time Zone
Eastern
443 Overlay Codes
410, 667

Area Code 443 Geographic Map

Interactive location bounds and coverage area for Maryland (Eastern Timezone)

Lat: 38.98° • Lng: -76.10°
📍 Geographic Center: MarylandMap data © OpenStreetMap contributors

Where is Area Code 443 Located?

Telephone area code 443 is assigned to Maryland in United States. It serves cities and metropolitan communities including Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge.

Historical Context & Area Code Overlay Information:443 serves Maryland (United States).

For local and long-distance calls within area code 443, standard 10-digit dialing (443) XXX-XXXX applies.

Who Called Me from Area Code 443?

Received an unknown call, missed call, or text scam from area code 443? Here is how to trace who is calling from 443 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 443 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 443:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 443 & Dialing Format

When placing a phone call to a number in area code 443, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (443) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 443 + 7-digit number.
  • Do I need to dial area code 443 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 443

Urban centers, census places, and communities within the +1-443 calling area

50 Major Cities Listed
City NameCountyPopulation% of 443 Pop
BaltimoreBaltimore city569,99761.9%
BowiePrince George's County58,3836.3%
AnnapolisAnne Arundel County40,6344.4%
SalisburyWicomico County33,8453.7%
WestminsterCarroll County20,5892.2%
AberdeenHarford County18,3742.0%
EastonTalbot County17,2931.9%
ElktonCecil County16,6701.8%
Havre De GraceCecil County15,6301.7%
CambridgeDorchester County13,4571.5%
TaneytownCarroll County8,2590.9%
Chesapeake BeachCalvert County6,4660.7%
HampsteadCarroll County6,2810.7%
FruitlandWicomico County6,0070.7%
ChestertownKent County5,6580.6%
ManchesterCarroll County5,4260.6%
BerlinWorcester County5,3350.6%
DentonCaroline County5,0750.6%
DelmarWicomico County4,8960.5%
CentrevilleQueen Anne's County4,7820.5%

Counties Covered by Area Code 443

Geographic county distribution and population coverage across Maryland

County NameTotal Population% of 443 Area% of County
Baltimore city570,05361.9%100%
Prince George's County964,5966.3%6%
Wicomico County106,6395.5%47%
Cecil County106,5675.2%45%
Carroll County176,7904.7%24%
Anne Arundel County601,1414.4%7%
Talbot County38,2952.2%53%
Harford County265,6242.0%7%
Caroline County34,0591.6%42%
Dorchester County33,2081.5%41%
Worcester County54,3811.1%19%
Calvert County94,6210.9%9%
Somerset County24,7530.8%28%
Kent County19,5170.7%35%
Queen Anne's County53,6810.7%12%
Howard County337,7950.5%1%

☎️Area Code 443 Exchange Prefixes & Carriers

Showing 50 of 800 central office 3-digit prefixes and assigned telecom carriers

69% Landline27% Wireless4% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(443) 200-📞LandlineWOODLAWNMCIMETRO ACCESS TRANSMISSION SERVICES LLC02/21/2001
(443) 201-📱WirelessWESTMINSTRNEW CINGULAR WIRELESS PCS, LLC - DCN/A
(443) 202-📱WirelessBALTIMORECELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD01/09/2012
(443) 203-📞LandlineWEST RIVERVERIZON MARYLAND, INC.N/A
(443) 204-📱WirelessPIKESVILLENEW CINGULAR WIRELESS PCS, LLC - DC05/15/2003
(443) 205-📱WirelessCAMBRIDGECELLCO PARTNERSHIP DBA VERIZON WIRELESS - MDN/A
(443) 206-📱WirelessPERRYVILLECELLCO PARTNERSHIP DBA VERIZON WIRELESS - MDN/A
(443) 207-📞LandlineELKTONOMNIPOINT COMMUNICATIONS ENTERPRISES, LPN/A
(443) 208-📞LandlineBALTIMOREOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC02/01/2011
(443) 209-📞LandlineHAVREGRACEPAETEC ITEL, LLCN/A
(443) 210-📞LandlineSALISBURYOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC09/30/2011
(443) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(443) 212-📞LandlineSPARKSGLNCPAETEC ITEL, LLCN/A
(443) 213-📞LandlinePIKESVILLEVERIZON MARYLAND, INC.N/A
(443) 214-📱WirelessANNAPOLISNEW CINGULAR WIRELESS PCS, LLC - DC10/11/2011
(443) 215-📞LandlineCHESTERTNCORE COMMUNICATIONS, INC.- MDN/A
(443) 216-📞LandlineDUNDALKPAETEC ITEL, LLCN/A
(443) 217-📞LandlineANNAPOLISCORE COMMUNICATIONS, INC.- MDN/A
(443) 218-📞LandlineWORTHINGTNLEVEL 3 COMMUNICATIONS, LLC - MDN/A
(443) 219-📞LandlinePARKVILLELEVEL 3 COMMUNICATIONS, LLC - MDN/A
(443) 220-📞LandlineBALTIMOREVERIZON MARYLAND, INC.N/A
(443) 221-📞LandlineANNAPOLISLEVEL 3 COMMUNICATIONS, LLC - MDN/A
(443) 222-💻VoIPWORTHINGTNONVOY, LLC - MDN/A
(443) 223-📱WirelessANNAPOLISCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MDN/A
(443) 224-📞LandlineBALTIMOREMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MDN/A
(443) 225-📱WirelessCAMBRIDGEMETROPCS, INC.01/20/2004
(443) 226-📞LandlineBALTIMOREOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCN/A
(443) 227-📞LandlinePT DEPOSITPAETEC ITEL, LLCN/A
(443) 228-📞LandlineCHASEPAETEC ITEL, LLCN/A
(443) 229-📞LandlineSEVERNA PKPAETEC ITEL, LLC05/10/2001
(443) 230-📞LandlineODENTONPAETEC ITEL, LLCN/A
(443) 231-📞LandlineESSEXTELEPORT COMMUNICATIONS AMERICA, LLC - MDN/A
(443) 232-📞LandlineWILLARDSCORE COMMUNICATIONS, INC.- MDN/A
(443) 233-📞LandlineVIENNAPAETEC ITEL, LLCN/A
(443) 234-📞LandlineSNOW HILLPAETEC ITEL, LLCN/A
(443) 235-📱WirelessSALISBURYCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MDN/A
(443) 236-📞LandlineCARDIFFCORE COMMUNICATIONS, INC.- MDN/A
(443) 237-📞LandlineNORTHBEACHCORE COMMUNICATIONS, INC.- MDN/A
(443) 238-📞LandlinePARKTONPAETEC ITEL, LLCN/A
(443) 239-📱WirelessEASTONNEW CINGULAR WIRELESS PCS, LLC - DC01/20/2004
(443) 240-📱WirelessBALTIMORENEW CINGULAR WIRELESS PCS, LLC - DC01/27/2012
(443) 241-💻VoIPWESTMINSTRONVOY, LLC - MDN/A
(443) 242-📞LandlineSPARROWSPTPAETEC ITEL, LLC05/10/2001
(443) 243-📱WirelessFALLSTONCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MDN/A
(443) 244-📞LandlineWESTMINSTRLEVEL 3 COMMUNICATIONS, LLC - MDN/A
(443) 245-📞LandlineELKTONPAETEC ITEL, LLCN/A
(443) 246-📞LandlineELKTONCORE COMMUNICATIONS, INC.- MDN/A
(443) 247-📞LandlineUNION BDGPAETEC ITEL, LLCN/A
(443) 248-📱WirelessBALTIMORECELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD01/15/2007
(443) 249-📞LandlineSTEVENSVLVERIZON MARYLAND, INC.N/A

Frequently Asked Questions about Area Code 443

Where is area code 443 located?

Area code 443 is located in Maryland (United States), serving cities like Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge.

What timezone is area code 443?

Area code 443 operates in the Eastern timezone.

What state is area code 443?

Area code 443 is assigned to the state / telecom territory of Maryland.

Is area code 443 a scam or dangerous?

Area code 443 is an official geographic area code for Maryland. However, beware of robocaller spoofing.

Maryland State Area Codes

View complete directory of telephone area codes assigned to Maryland.

Explore Maryland Directory

Get a 443 Business Phone Number

How to acquire a virtual phone number or business line with area code 443 for local customer trust in Maryland.

Get 443 Business Number
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Overlay & Nearby Area Codes for Maryland

Explore neighboring telecom prefixes sharing geographical boundaries with area code 443.

410
Eastern
Area Code 410
Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge
667
Eastern
Area Code 667
Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge
227
Eastern
Area Code 227
Frederick, Gaithersburg, Rockville, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland, Takoma Park
240
Eastern
Area Code 240
Frederick, Gaithersburg, Rockville, Bowie, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland
301
Eastern
Area Code 301
Frederick, Gaithersburg, Rockville, Bowie, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland