Area code 443 covers part of Marylandstate, covering most of Baltimore, Anne Arundel, Howard, Harford, Wicomico 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 |
Jun 06, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-808 was assigned on Apr 28, 2014 and is operational from Jun 06, 2014. |
May 02, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-877 was assigned on Apr 02, 2014 and is operational from May 02, 2014. |
Mar 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-805 was assigned on Apr 23, 2013 and is operational from Mar 23, 2014. |
Mar 05, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-881 was assigned on Sep 26, 2006 and is operational from Mar 05, 2014. |
Mar 05, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-864 was assigned on Dec 19, 2001 and is operational from Mar 05, 2014. |
Dec 14, 2013 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-836 is operational from Dec 14, 2013. |
Area Code | City | County | Population | Network Operator |
443-800-0 | Elkridge | Baltimore | 620,961 | Leap Wireless International Inc dba Cricket Communications Inc |
443-800-0 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-800-5 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-801 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-802 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-803 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-804 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-805-6 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-805-2 | Baltimore | Anne Arundel | 537,656 | CTC Communications Corporation - MD |
443-805-0 | Baltimore | Anne Arundel | 537,656 | Omnipoint Communications Cap Operations LLC |
443-805-5 | Woodlawn | Anne Arundel | 537,656 | Cellco Partnership dba Verizon Wireless - MD |
443-806-0 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-807-0 | Hanover | Harford | 244,826 | Sprint Spectrum LP - MD |
443-808-0 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-808-9 | Columbia | Anne Arundel | 537,656 | New Cingular Wireless PCS LLC - DC |
443-808-8 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-810-2 | Baltimore | Baltimore | 620,961 | Paetec Communications Inc - MD |
443-810-0 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-811 | 232,813 | One Call Services-Pipeline And Utility Safety | ||
443-812-0 | Baltimore | Howard | 287,085 | Cellco Partnership dba Verizon Wireless - MD |
443-813-9 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-813-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-814-9 | Baltimore | Baltimore | 620,961 | Bandwidth.com CLEC LLC - MD |
443-814-8 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-814-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-815-0 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-815-3 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-816-0 | Baltimore | Anne Arundel | 537,656 | Allegiance Telecom of Maryland Inc |
443-816-8 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP |
443-817-0 | Baltimore | Anne Arundel | 537,656 | Allegiance Telecom of Maryland Inc |
443-817-2 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-818-0 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-818-8 | Columbia | Anne Arundel | 537,656 | New Cingular Wireless PCS LLC - DC |
443-820-4 | Baltimore | Howard | 287,085 | MCI Worldcom Communications Inc - MD |
443-820-0 | Baltimore | Howard | 287,085 | Paetec Communications Inc - MD |
443-820-8 | Elkridge | Howard | 287,085 | Sprint Spectrum LP |
443-820-3 | White Marsh | Howard | 287,085 | Comcast Phone of Northern Maryland Inc - MD |
443-821-7 | Baltimore | Carroll | 167,134 | Bandwidth.com CLEC LLC - MD |
443-821-2 | Columbia | Carroll | 167,134 | New Cingular Wireless PCS LLC - DC |
443-821-0 | Hanover | Carroll | 167,134 | Sprint Spectrum LP |
443-821-3 | White Marsh | Carroll | 167,134 | Comcast Phone of Northern Maryland Inc - MD |
443-821-6 | Woodlawn | Carroll | 167,134 | Cellco Partnership dba Verizon Wireless - MD |
443-822-0 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP |
443-823-8 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-823-0 | Woodlawn | Baltimore | 805,029 | Cellco Partnership dba Verizon Wireless - MD |
443-824-0 | Baltimore | Baltimore | 805,029 | Omnipoint Communications Cap Operations LLC |
443-824-8 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-825-4 | Baltimore | Baltimore | 620,961 | Level 3 Communications LLC - MD |
443-825-0 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-825-3 | Columbia | Baltimore | 620,961 | US LEC of Maryland Inc |
443-826-9 | Baltimore | Baltimore | 620,961 | Bandwidth.com CLEC LLC - MD |
443-826-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-827-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-828-2 | Baltimore | Howard | 287,085 | Local Access LLC - MD |
443-828-0 | Hanover | Howard | 287,085 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-829 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-830 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-831 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-832-3 | Baltimore | Howard | 287,085 | Bandwidth.com CLEC LLC - MD |
443-832-9 | Baltimore | Howard | 287,085 | Cellco Partnership dba Verizon Wireless - MD |
443-832-0 | Baltimore | Howard | 287,085 | Level 3 Communications LLC - MD |
443-832-2 | Baltimore | Howard | 287,085 | MCI Worldcom Communications Inc - MD |
443-832-1 | Columbia | Howard | 287,085 | US LEC of Maryland Inc |
443-833-3 | Baltimore | Baltimore | 805,029 | MCI Worldcom Communications Inc - MD |
443-833-7 | Baltimore | Baltimore | 805,029 | MetroPCS Inc |
443-833-9 | Baltimore | Baltimore | 805,029 | Peerless Network of Maryland LLC |
443-833-0 | Columbia | Baltimore | 805,029 | US LEC of Maryland Inc |
443-833-5 | Woodlawn | Baltimore | 805,029 | Cellco Partnership dba Verizon Wireless - MD |
443-834-7 | Baltimore | Baltimore | 805,029 | Broadwing Communications LLC - MD |
443-834-0 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-834-0 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-834-9 | Woodlawn | Baltimore | 805,029 | Cellco Partnership dba Verizon Wireless - MD |
443-835-4 | White Marsh | Baltimore | 620,961 | Comcast Phone of Northern Maryland Inc - MD |
443-835-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-836 | Baltimore | Baltimore | 620,961 | XO Maryland LLC |
443-837-7 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-837-0 | Columbia | Anne Arundel | 537,656 | US LEC of Maryland Inc |
443-837-8 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP |
443-837-6 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-838 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-839-0 | Baltimore | Baltimore | 620,961 | Bandwidth.com CLEC LLC - MD |
443-839-0 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-839-1 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-840-9 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-840-5 | Catonsville | Baltimore | 805,029 | Verizon Maryland Inc |
443-840-0 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-841-1 | Baltimore | Baltimore | 805,029 | CTC Communications Corporation - MD |
443-841-0 | Cockeysville | Baltimore | 805,029 | Verizon Maryland Inc |
443-841-8 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-841-7 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-841-9 | Woodlawn | Baltimore | 805,029 | Cellco Partnership dba Verizon Wireless - MD |
443-842-6 | Baltimore | Baltimore | 620,961 | Bandwidth.com CLEC LLC - MD |
443-842-7 | Baltimore | Baltimore | 620,961 | Level 3 Communications LLC - MD |
443-842-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-843-3 | Baltimore | Harford | 244,826 | CTC Communications Corporation - MD |
443-843-2 | Baltimore | Harford | 244,826 | Peerless Network of Maryland LLC |
443-843-0 | Havre De Grace | Harford | 244,826 | Verizon Maryland Inc |
443-843-0 | Pikesville | Harford | 244,826 | Broadvox-CLEC LLC - MD |
443-844-3 | Baltimore | Baltimore | 620,961 | Level 3 Communications LLC - MD |
443-844-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-845-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-846-0 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-847-4 | Beltsville | Baltimore | 805,029 | Omnipoint Communications Cap Operations LLC |
443-847-0 | Woodlawn | Baltimore | 805,029 | Cellco Partnership dba Verizon Wireless - MD |
443-848-0 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP - MD |
443-849 | Towson | Baltimore | 805,029 | Verizon Maryland Inc |
443-850 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-851-0 | Baltimore | Baltimore | 805,029 | Omnipoint Communications Cap Operations LLC |
443-852-0 | Columbia | Anne Arundel | 537,656 | New Cingular Wireless PCS LLC - DC |
443-853-1 | Baltimore | Baltimore | 620,961 | Level 3 Communications LLC - MD |
443-853-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-854 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-855-0 | Baltimore | Harford | 244,826 | Lightwave Communications LLC - MD |
443-856-0 | Easton | Worcester | 51,454 | Core Communications Inc - MD |
443-856-9 | Salisbury | Worcester | 51,454 | New Cingular Wireless PCS LLC - DC |
443-857 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-858 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-859-9 | Salisbury | Wicomico | 98,733 | Cellco Partnership dba Verizon Wireless - MD |
443-860-6 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-860-0 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-861-0 | Aberdeen | Harford | 244,826 | Verizon Maryland Inc |
443-862-0 | Woodlawn | Baltimore | 805,029 | Cellco Partnership dba Verizon Wireless - MD |
443-863-9 | Baltimore | Baltimore | 620,961 | Bandwidth.com CLEC LLC - MD |
443-863-3 | Baltimore | Baltimore | 620,961 | XO Maryland LLC |
443-864-8 | Hanover | Howard | 287,085 | Sprint Spectrum LP |
443-864-5 | White Marsh | Howard | 287,085 | Comcast Phone of Northern Maryland Inc - MD |
443-865 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-866 | Hanover | Harford | 244,826 | Sprint Spectrum LP |
443-867-0 | Baltimore | Anne Arundel | 537,656 | Paetec Communications Inc - MD |
443-868-6 | Baltimore | Baltimore | 805,029 | CTC Communications Corporation - MD |
443-868-0 | Baltimore | Baltimore | 805,029 | Verizon Maryland Inc |
443-869-9 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-870-0 | Laurel | Baltimore | 805,029 | tw telecom of maryland - MD |
443-871 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP |
443-872-9 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-872-1 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-873-4 | Baltimore | Baltimore | 620,961 | MCI Worldcom Communications Inc - MD |
443-873-9 | White Marsh | Baltimore | 620,961 | Comcast Phone of Northern Maryland Inc - MD |
443-874-1 | Baltimore | Baltimore | 620,961 | XO Maryland LLC |
443-875-0 | Columbia | Anne Arundel | 537,656 | New Cingular Wireless PCS LLC - DC |
443-876-0 | Hanover | Harford | 244,826 | Sprint Spectrum LP |
443-877-0 | Baltimore | Cecil | 101,108 | Level 3 Communications LLC - MD |
443-877-6 | White Marsh | Cecil | 101,108 | Comcast Phone of Northern Maryland Inc - MD |
443-878-0 | Baltimore | Howard | 287,085 | Cellco Partnership dba Verizon Wireless - MD |
443-879-9 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-879-0 | Dundalk | Baltimore | 805,029 | Verizon Maryland Inc |
443-880-8 | Salisbury | Wicomico | 98,733 | Cellco Partnership dba Verizon Wireless - MD |
443-881-2 | Baltimore | Baltimore | 805,029 | Paetec Communications Inc - MD |
443-881-0 | Hanover | Baltimore | 805,029 | Sprint Spectrum LP - MD |
443-882-0 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-883-0 | Baltimore | Anne Arundel | 537,656 | AT&T Local |
443-883-9 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP - MD |
443-884 | Hanover | Baltimore | 620,961 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-885 | Baltimore | Baltimore | 620,961 | Verizon Maryland Inc |
443-886-0 | Baltimore | Baltimore | 805,029 | AT&T Local |
443-887-0 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-888-0 | Salisbury | Somerset | 26,470 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-889-0 | Baltimore | Anne Arundel | 537,656 | Omnipoint Communications Cap Operations LLC |
443-890-2 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-891-0 | Baltimore | Anne Arundel | 537,656 | XO Maryland LLC |
443-891-4 | Hanover | Anne Arundel | 537,656 | Sprint Spectrum LP - MD |
443-892-0 | Baltimore | Carroll | 167,134 | Bandwidth.com CLEC LLC - MD |
443-892-7 | Pikesville | Carroll | 167,134 | Broadvox-CLEC LLC - MD |
443-893-0 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-894-0 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-895-9 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-896-0 | Baltimore | Howard | 287,085 | AT&T Local |
443-897-5 | Baltimore | Baltimore | 620,961 | YMax Communications Corporation - MD |
443-897-9 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-898-0 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-899-0 | Baltimore | Howard | 287,085 | Broadwing Communications LLC - MD |
No reviews yet. |
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