Area code 443 covers part of Marylandstate, covering most of Baltimore, Anne Arundel, Harford, Wicomico, Howard counties. It was started on Jan 01, 2000. This region follows US/Eastern + Daylight Savings timezone. Other popular area codes that belong to Maryland state include 240, 301, 410, 667.
Date Changed | Change Details |
Apr 27, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-317 was assigned on Mar 28, 2014 and is operational from Apr 27, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-305 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-312 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-315 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-316 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-390 is operational from Apr 23, 2014. |
Area Code | City | County | Population | Network Operator |
443-300-8 | Baltimore | Carroll | 167,134 | Bandwidth.com CLEC LLC - MD |
443-300-0 | Baltimore | Carroll | 167,134 | Broadwing Communications LLC - MD |
443-300-3 | Baltimore | Carroll | 167,134 | MCI Worldcom Communications Inc - MD |
443-301-1 | Baltimore | Baltimore | 620,961 | Teleport Communications America LLC - MD |
443-301-0 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-302-9 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-302-0 | Baltimore | Anne Arundel | 537,656 | Global Crossing Local Services Inc - MD |
443-302-8 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-302-6 | Baltimore | Anne Arundel | 537,656 | MCI Worldcom Communications Inc - MD |
443-302-2 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-303-0 | Baltimore | Harford | 244,826 | Global Crossing Local Services Inc - MD |
443-303-5 | Baltimore | Harford | 244,826 | Level 3 Communications LLC - MD |
443-303-3 | Baltimore | Harford | 244,826 | MCI Worldcom Communications Inc - MD |
443-303-9 | Baltimore | Harford | 244,826 | Omnipoint Communications Cap Operations LLC |
443-303-8 | Baltimore | Harford | 244,826 | XO Maryland LLC |
443-304-9 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-304-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-304-5 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-304-6 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-304-2 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-305-9 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-305-0 | Baltimore | Anne Arundel | 537,656 | Global Crossing Local Services Inc - MD |
443-305-7 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-305-2 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-306-0 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP |
443-307-0 | Baltimore | Harford | 244,826 | Global Crossing Local Services Inc - MD |
443-307-8 | Baltimore | Harford | 244,826 | Level 3 Communications LLC - MD |
443-307-3 | Columbia | Harford | 244,826 | New Cingular Wireless PCS LLC - DC |
443-307-7 | Hanover | Harford | 244,826 | Sprint Spectrum LP |
443-307-9 | Hanover | Harford | 244,826 | Sprint Spectrum LP - MD |
443-308-0 | Baltimore | Anne Arundel | 537,656 | Allegiance Telecom of Maryland Inc |
443-309 | Baltimore | Cecil | 101,108 | Sprint Spectrum LP |
443-310 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-311 | 607,313 | Non Emergency Police And Other Governmental Services | ||
443-312-9 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-312-0 | Baltimore | Anne Arundel | 537,656 | Global Crossing Local Services Inc - MD |
443-312-7 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-312-8 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-313-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-313-5 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-313-9 | Baltimore | Baltimore | 805,029 | Peerless Network of Maryland LLC |
443-314-0 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-315-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-315-9 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-315-2 | Pikesville | Baltimore | 805,029 | Broadvox-CLEC LLC - MD |
443-315-5 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-316-2 | Baltimore | Baltimore | 805,029 | AT&T Local |
443-316-3 | Baltimore | Baltimore | 805,029 | CTC Communications Corporation - MD |
443-316-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-316-6 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-316-8 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-317-9 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-317-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-317-5 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-317-2 | Pikesville | Baltimore | 805,029 | Broadvox-CLEC LLC - MD |
443-317-8 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-318-8 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-318-7 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-318-0 | Bel Air | Baltimore | 805,029 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-318-4 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-319-4 | Baltimore | Howard | 287,085 | Lightwave Communications LLC - MD |
443-319-3 | Baltimore | Howard | 287,085 | Omnipoint Communications Cap Operations LLC |
443-319-8 | Baltimore | Howard | 287,085 | XO Maryland LLC |
443-319-0 | Bel Air | Howard | 287,085 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-319-5 | White Marsh | Howard | 287,085 | Comcast Phone of Northern Maryland Inc - MD |
443-320-0 | Baltimore | Baltimore | 620,961 | Global Crossing Local Services Inc - MD |
443-320-3 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-320-7 | Columbia | Baltimore | 620,961 | US LEC of Maryland Inc |
443-320-8 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-321 | Baltimore | Anne Arundel | 537,656 | Paetec Communications Inc - MD |
443-322-6 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-322-0 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-323-0 | Salisbury | Wicomico | 98,733 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-323-3 | Salisbury | Wicomico | 98,733 | Comcast Phone of Northern Maryland Inc - MD |
443-324 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-325-3 | Baltimore | Howard | 287,085 | MetroPCS Inc |
443-325-0 | Hanover | Howard | 287,085 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-325-5 | White Marsh | Howard | 287,085 | Comcast Phone of Northern Maryland Inc - MD |
443-326 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-327-9 | Baltimore | Harford | 244,826 | Bandwidth.com CLEC LLC - MD |
443-327-5 | Baltimore | Harford | 244,826 | XO Maryland LLC |
443-327-1 | Columbia | Harford | 244,826 | US LEC of Maryland Inc |
443-327-0 | Hanover | Harford | 244,826 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-327-8 | White Marsh | Harford | 244,826 | Comcast Phone of Northern Maryland Inc - MD |
443-328-0 | Baltimore | Carroll | 167,134 | CTC Communications Corporation - MD |
443-328-6 | White Marsh | Carroll | 167,134 | Comcast Phone of Northern Maryland Inc - MD |
443-329-4 | Mc Lean | Prince George's | 863,420 | Level 3 Communications LLC - MD |
443-329-0 | Washington | Prince George's | 863,420 | Global Crossing Local Services Inc - MD |
443-329-3 | Washington | Prince George's | 863,420 | YMax Communications Corporation - MD |
443-330-7 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-330-3 | Baltimore | Baltimore | 805,029 | CTC Communications Corporation - MD |
443-330-6 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-330-0 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-330-8 | Sparks Glencoe | Baltimore | 805,029 | Verizon Maryland Inc |
443-330-5 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-331-0 | Baltimore | Carroll | 167,134 | CTC Communications Corporation - MD |
443-332-6 | Baltimore | Anne Arundel | 537,656 | Paetec Communications Inc - MD |
443-332-4 | Columbia | Anne Arundel | 537,656 | US LEC of Maryland Inc |
443-332-0 | Hanover | Anne Arundel | 537,656 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-333-9 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-333-4 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-333-2 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP |
443-334-0 | Baltimore | Baltimore | 805,029 | Allegiance Telecom of Maryland Inc |
443-334-8 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-335 | Baltimore | Anne Arundel | 537,656 | XO Maryland LLC |
443-336 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP |
443-337 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-338-0 | Baltimore | Baltimore | 805,029 | CTC Communications Corporation - MD |
443-339-0 | Baltimore | Anne Arundel | 537,656 | CTC Communications Corporation - MD |
443-340 | Woodlawn | Carroll | 167,134 | Cellco Partnership dba Verizon Wireless - MD |
443-341-8 | Baltimore | Baltimore | 805,029 | ATX Telecommunications Services Ltd |
443-341-2 | Baltimore | Baltimore | 805,029 | VDL Inc dba Global Telecom Brokers - MD |
443-342-0 | Baltimore | Calvert | 88,737 | CTC Communications Corporation - MD |
443-343-8 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-343-0 | Baltimore | Anne Arundel | 537,656 | Teleport Communications America LLC - MD |
443-344 | Baltimore | Anne Arundel | 537,656 | Core Communications Inc - MD |
443-345-9 | Baltimore | Harford | 244,826 | Bandwidth.com CLEC LLC - MD |
443-345-7 | Baltimore | Harford | 244,826 | Omnipoint Communications Cap Operations LLC |
443-346 | Baltimore | Anne Arundel | 537,656 | XO Maryland LLC |
443-347-0 | Baltimore | Harford | 244,826 | CTC Communications Corporation - MD |
443-348-8 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-348-7 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-349 | Baltimore | Carroll | 167,134 | Core Communications Inc - MD |
443-350-8 | Baltimore | Cecil | 101,108 | Sprint Spectrum LP |
443-351-8 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-352-0 | Baltimore | Baltimore | 805,029 | AT&T Local |
443-352-5 | Owings Mills | Baltimore | 805,029 | Verizon Maryland Inc |
443-353-9 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-353-0 | Cockeysville | Baltimore | 805,029 | Verizon Maryland Inc |
443-354-1 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-354-9 | Baltimore | Anne Arundel | 537,656 | Local Access LLC - MD |
443-354-2 | Elkridge | Anne Arundel | 537,656 | Leap Wireless International Inc dba Cricket Communications Inc |
443-355-0 | Baltimore | Howard | 287,085 | Level 3 Communications LLC - MD |
443-356-6 | Baltimore | Harford | 244,826 | Bandwidth.com CLEC LLC - MD |
443-356-7 | Elkridge | Harford | 244,826 | Leap Wireless International Inc dba Cricket Communications Inc |
443-357 | Pikesville | Baltimore | 805,029 | Verizon Maryland Inc |
443-358-5 | Salisbury | Wicomico | 98,733 | Comcast Phone of Northern Maryland Inc - MD |
443-358-0 | Salisbury | Wicomico | 98,733 | YMax Communications Corporation - MD |
443-359-0 | Salisbury | Wicomico | 98,733 | Cellco Partnership dba Verizon Wireless - MD |
443-360-6 | Aberdeen | Harford | 244,826 | Verizon Maryland Inc |
443-360-8 | Baltimore | Harford | 244,826 | Omnipoint Communications Cap Operations LLC |
443-360-4 | White Marsh | Harford | 244,826 | Comcast Phone of Northern Maryland Inc - MD |
443-361 | Baltimore | Carroll | 167,134 | Core Communications Inc - MD |
443-362-0 | Salisbury | Talbot | 37,782 | Omnipoint Communications Cap Operations LLC |
443-363 | Baltimore | Anne Arundel | 537,656 | XO Maryland LLC |
443-364-8 | Baltimore | Howard | 287,085 | Bandwidth.com CLEC LLC - MD |
443-364-0 | Columbia | Howard | 287,085 | Teleport Communications America LLC - MD |
443-365-7 | Salisbury | Wicomico | 98,733 | Cellco Partnership dba Verizon Wireless - MD |
443-365-0 | Salisbury | Wicomico | 98,733 | Omnipoint Communications Cap Operations LLC |
443-366-5 | Salisbury | Wicomico | 98,733 | Cellco Partnership dba Verizon Wireless - MD |
443-367-8 | Baltimore | Howard | 287,085 | Cellco Partnership dba Verizon Wireless - MD |
443-367-4 | Columbia | Howard | 287,085 | US LEC of Maryland Inc |
443-368 | Baltimore | Carroll | 167,134 | Core Communications Inc - MD |
443-369 | Baltimore | Harford | 244,826 | Core Communications Inc - MD |
443-370-0 | Columbia | Anne Arundel | 537,656 | New Cingular Wireless PCS LLC - DC |
443-371-3 | Baltimore | Harford | 244,826 | Bandwidth.com CLEC LLC - MD |
443-371-9 | Baltimore | Harford | 244,826 | Level 3 Communications LLC - MD |
443-371-7 | White Marsh | Harford | 244,826 | Comcast Phone of Northern Maryland Inc - MD |
443-372-8 | Baltimore | Harford | 244,826 | Bandwidth.com CLEC LLC - MD |
443-372-0 | Columbia | Harford | 244,826 | US LEC of Maryland Inc |
443-373-0 | Salisbury | Worcester | 51,454 | Sprint Spectrum LP |
443-374-8 | Baltimore | Harford | 244,826 | Omnipoint Communications Cap Operations LLC |
443-375-3 | Baltimore | Carroll | 167,134 | Bandwidth.com CLEC LLC - MD |
443-376-8 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-376-5 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-377-7 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-378-4 | Baltimore | Baltimore | 620,961 | Verizon Maryland Inc |
443-378-3 | Columbia | Baltimore | 620,961 | US LEC of Maryland Inc |
443-379-8 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-379-9 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-380-3 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-380-8 | Woodlawn | Baltimore | 805,029 | Verizon Maryland Inc |
443-381 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-382 | Easton | Dorchester | 32,618 | Core Communications Inc - MD |
443-383-0 | Baltimore | Carroll | 167,134 | CTC Communications Corporation - MD |
443-384-7 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-384-0 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-385 | Easton | Talbot | 37,782 | Core Communications Inc - MD |
443-386-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-387 | Easton | Worcester | 51,454 | Core Communications Inc - MD |
443-388-4 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-388-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-389 | Easton | Wicomico | 98,733 | Core Communications Inc - MD |
443-390-8 | Baltimore | Harford | 244,826 | Bandwidth.com CLEC LLC - MD |
443-390-3 | Baltimore | Harford | 244,826 | MCI Worldcom Communications Inc - MD |
443-391-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-391-9 | Baltimore | Baltimore | 805,029 | Peerless Network of Maryland LLC |
443-392-0 | Baltimore | Baltimore | 620,961 | AT&T Local |
443-393-0 | Baltimore | Howard | 287,085 | Global Crossing Local Services Inc - MD |
443-394 | Owings Mills | Baltimore | 805,029 | Verizon Maryland Inc |
443-395-0 | Aberdeen | Harford | 244,826 | Verizon Maryland Inc |
443-396-3 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-396-5 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-397-0 | Salisbury | Wicomico | 98,733 | Cellco Partnership dba Verizon Wireless - MD |
443-398-2 | Baltimore | Carroll | 167,134 | Bandwidth.com CLEC LLC - MD |
443-399-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-399-7 | Baltimore | Baltimore | 805,029 | Qwest Communications Company LLC |
No reviews yet. |
At VerifyPhone.com, you'll find current information on 443area code, including 443 area code location & map. Other phone area code may be searched using VerifyPhone.com's area code locator service on the homepage. Use the phone number search function above to instant verify area code lookup & phone number lookup.
VerifyPhone.com provides a free area codes directory with detailed information on the various USA area codes, area codes listing, and other area codes phone details. VerifyPhone.com also lists international area codes within the North American Numbering Plan. And you can verify owners of phone numbers using the reverse number lookup service by entering a 10 digit phone number in the top most text box.
Find area codes by using VerifyPhone.com's area code finder. VerifyPhone.com provides an area codes location map service for area codes of USA. When using these maps, please note that area zip codes are different than phone number area codes used for calling.
VerifyPhone.com is an excellent resource for area code lookup and reverse number lookup. Here you'll find area codes, city, county, population & operator list table of area codes within the United States. Also, you can verify owners of phone numbers with full name & address information for background check. For a full list of area codes, visit VerifyPhone.com home page. It provides drilldown for USA area codes and area code location maps.
Find owner information using the reverse phone number search function on VerifyPhone.com. With phone number search function, you can find owner information & detailed area codes information in the United States.
VerifyPhone.com is a resource of North American telephone area codes. Beyond area code listings, relevant information about each area code is detailed. For example, this page details area code 443-3. You can also search area codes by state, and within the NANP, find country area codes.
The area codes locator shows the coverage area for each phone number area code. Area code locations are also listed by city next to the area code maps on this page. Also, read reviews within an area code.
VerifyPhone.com provides local reviews for phone numbers and aggregates results per area code. It shows you the area code location covered by each area code; for example, the LA area code reveiws covers local business phone numbers area in Los Angeles. This page details area code 443-3. All USA states area codes may be found using VerifyPhone.com.
The telephone area code prefixes local phone numbers & is not required to be dialed. For area codes by city, search VerifyPhone.com. Area codes telephone differ from region to region, and in some places the area code must be dialed even when calling locally within that region. Find out more with area code decoder.