Area code 443 covers part of Marylandstate, covering most of Baltimore, Anne Arundel, Howard, Carroll, Cecil 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 01, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-201 was assigned on Mar 28, 2014 and is operational from Jun 01, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-266 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-294 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-299 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-291 is operational from Apr 23, 2014. |
Apr 23, 2014 | Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-296 is operational from Apr 23, 2014. |
Area Code | City | County | Population | Network Operator |
443-200-0 | Baltimore | Baltimore | 805,029 | Allegiance Telecom of Maryland Inc |
443-200-8 | Baltimore | Baltimore | 805,029 | TelCove Operations Inc - MD |
443-200-5 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-201-2 | Baltimore | Carroll | 167,134 | Level 3 Communications LLC - MD |
443-201-0 | Baltimore | Carroll | 167,134 | Local Access LLC - MD |
443-201-5 | Baltimore | Carroll | 167,134 | Qwest Communications Company LLC |
443-201-6 | Columbia | Carroll | 167,134 | New Cingular Wireless PCS LLC - DC |
443-201-7 | Pikesville | Carroll | 167,134 | Broadvox-CLEC LLC - MD |
443-201-8 | White Marsh | Carroll | 167,134 | Comcast Phone of Northern Maryland Inc - MD |
443-201-0 | Woodlawn | Carroll | 167,134 | Cellco Partnership dba Verizon Wireless - MD |
443-202-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-203-9 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-203-5 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-203-3 | Baltimore | Anne Arundel | 537,656 | XO Maryland LLC |
443-203-0 | Mayo | Anne Arundel | 537,656 | Verizon Maryland Inc |
443-203-6 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-204-0 | Columbia | Baltimore | 805,029 | New Cingular Wireless PCS LLC - DC |
443-204-8 | Owings Mills | Baltimore | 805,029 | Verizon Maryland Inc |
443-205-9 | Salisbury | Dorchester | 32,618 | Cellco Partnership dba Verizon Wireless - MD |
443-205-4 | Salisbury | Dorchester | 32,618 | Level 3 Communications LLC - MD |
443-205-0 | Salisbury | Dorchester | 32,618 | Sprint Spectrum LP |
443-206-7 | Baltimore | Cecil | 101,108 | Core Communications Inc - MD |
443-206-0 | Woodlawn | Cecil | 101,108 | Cellco Partnership dba Verizon Wireless - MD |
443-207-0 | Baltimore | Cecil | 101,108 | Omnipoint Communications Enterprises LP |
443-207-8 | White Marsh | Cecil | 101,108 | Comcast Phone of Northern Maryland Inc - MD |
443-208-0 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-209-5 | Baltimore | Harford | 244,826 | Lightwave Communications LLC - MD |
443-209-7 | Baltimore | Harford | 244,826 | MCI Worldcom Communications Inc - MD |
443-209-0 | Bel Air | Harford | 244,826 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-210-3 | Easton | Wicomico | 98,733 | MCI Worldcom Communications Inc - MD |
443-210-2 | Salisbury | Wicomico | 98,733 | Comcast Phone of Northern Maryland Inc - MD |
443-210-0 | Salisbury | Wicomico | 98,733 | Sprint Spectrum LP |
443-211 | 97,213 | Community Support And Referral Services | ||
443-212-8 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-212-6 | Baltimore | Baltimore | 805,029 | Broadwing Communications LLC - MD |
443-212-7 | Baltimore | Baltimore | 805,029 | MCI Worldcom Communications Inc - MD |
443-212-4 | Baltimore | Baltimore | 805,029 | Paetec Communications Inc - MD |
443-212-0 | Columbia | Baltimore | 805,029 | US LEC of Maryland Inc |
443-212-5 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-213-0 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-213-6 | Baltimore | Baltimore | 805,029 | MCI Worldcom Communications Inc - MD |
443-213-1 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-213-0 | Owings Mills | Baltimore | 805,029 | Verizon Maryland Inc |
443-213-8 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-214-2 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-214-1 | Baltimore | Anne Arundel | 537,656 | Local Access LLC - MD |
443-214-7 | Baltimore | Anne Arundel | 537,656 | MCI Worldcom Communications Inc - MD |
443-214-0 | Columbia | Anne Arundel | 537,656 | New Cingular Wireless PCS LLC - DC |
443-214-0 | Elkridge | Anne Arundel | 537,656 | Leap Wireless International Inc dba Cricket Communications Inc |
443-214-3 | Pikesville | Anne Arundel | 537,656 | Broadvox-CLEC LLC - MD |
443-214-5 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-215 | Easton | Kent | 20,197 | Core Communications Inc - MD |
443-216-9 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-216-0 | Baltimore | Baltimore | 805,029 | Core Communications Inc - MD |
443-216-1 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-216-0 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-216-7 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-217 | Baltimore | Anne Arundel | 537,656 | Core Communications Inc - MD |
443-218-6 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-218-0 | Baltimore | Baltimore | 805,029 | Global Crossing Local Services Inc - MD |
443-218-7 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-218-8 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-219-8 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-219-0 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-220-3 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-220-0 | Baltimore | Baltimore | 620,961 | Verizon Maryland Inc |
443-220-9 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-220-6 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-221-0 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-221-5 | Elkridge | Anne Arundel | 537,656 | Leap Wireless International Inc dba Cricket Communications Inc |
443-221-7 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-221-9 | Woodlawn | Anne Arundel | 537,656 | Cellco Partnership dba Verizon Wireless - MD |
443-222 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-223 | Woodlawn | Anne Arundel | 537,656 | Cellco Partnership dba Verizon Wireless - MD |
443-224-9 | Baltimore | Baltimore | 620,961 | Global Crossing Local Services Inc - MD |
443-224-0 | Baltimore | Baltimore | 620,961 | MCI Worldcom Communications Inc - MD |
443-224-8 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-224-3 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-224-2 | Hanover | Baltimore | 620,961 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-224-7 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-225-7 | Easton | Dorchester | 32,618 | MCI Worldcom Communications Inc - MD |
443-225-6 | Salisbury | Dorchester | 32,618 | Comcast Phone of Northern Maryland Inc - MD |
443-225-4 | Salisbury | Dorchester | 32,618 | Level 3 Communications LLC - MD |
443-225-0 | Salisbury | Dorchester | 32,618 | Sprint Spectrum LP |
443-226 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-227-0 | Baltimore | Cecil | 101,108 | CTC Communications Corporation - MD |
443-228-8 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-228-5 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-228-4 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-228-0 | Columbia | Baltimore | 805,029 | US LEC of Maryland Inc |
443-229-7 | Baltimore | Anne Arundel | 537,656 | YMax Communications Corporation - MD |
443-229-0 | Hanover | Anne Arundel | 537,656 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-230-0 | Baltimore | Anne Arundel | 537,656 | CTC Communications Corporation - MD |
443-231-0 | Baltimore | Baltimore | 805,029 | AT&T Local |
443-231-1 | Baltimore | Baltimore | 805,029 | CTC Communications Corporation - MD |
443-231-4 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-231-8 | Baltimore | Baltimore | 805,029 | Omnipoint Communications Cap Operations LLC |
443-231-7 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-232-0 | Salisbury | Wicomico | 98,733 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-232-7 | Salisbury | Wicomico | 98,733 | Comcast Phone of Northern Maryland Inc - MD |
443-233-0 | Salisbury | Dorchester | 32,618 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-234-0 | Salisbury | Worcester | 51,454 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-235 | Salisbury | Wicomico | 98,733 | Cellco Partnership dba Verizon Wireless - MD |
443-236 | Baltimore | Harford | 244,826 | Core Communications Inc - MD |
443-237 | Baltimore | Calvert | 88,737 | Core Communications Inc - MD |
443-238-0 | Baltimore | Baltimore | 805,029 | CTC Communications Corporation - MD |
443-239-9 | Salisbury | Talbot | 37,782 | Cellco Partnership dba Verizon Wireless - MD |
443-239-5 | Salisbury | Talbot | 37,782 | Sprint Spectrum LP |
443-240-0 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-241 | Baltimore | Carroll | 167,134 | Global Naps South Inc - MD |
443-242-4 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-242-7 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-243 | Woodlawn | Harford | 244,826 | Cellco Partnership dba Verizon Wireless - MD |
443-244-0 | Baltimore | Carroll | 167,134 | Level 3 Communications LLC - MD |
443-244-7 | Woodlawn | Carroll | 167,134 | Cellco Partnership dba Verizon Wireless - MD |
443-245-0 | Bel Air | Cecil | 101,108 | Cavalier Telephone LLC (Mid-Atlantic) - MD |
443-246 | Baltimore | Cecil | 101,108 | Core Communications Inc - MD |
443-247-0 | Baltimore | Carroll | 167,134 | CTC Communications Corporation - MD |
443-248-9 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-249-4 | Easton | Queen Anne's | 47,798 | MCI Worldcom Communications Inc - MD |
443-249-1 | Salisbury | Queen Anne's | 47,798 | Core Communications Inc - MD |
443-249-0 | Stevensville | Queen Anne's | 47,798 | Verizon Maryland Inc |
443-250 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-251-0 | Baltimore | Baltimore | 805,029 | Local Access LLC - MD |
443-251-2 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-252-3 | Baltimore | Cecil | 101,108 | Bandwidth.com CLEC LLC - MD |
443-253 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-254 | Baltimore | Anne Arundel | 537,656 | Omnipoint Communications Cap Operations LLC |
443-255 | Columbia | Baltimore | 620,961 | New Cingular Wireless PCS LLC - DC |
443-256-0 | Baltimore | Cecil | 101,108 | CTC Communications Corporation - MD |
443-257-0 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-258-0 | Salisbury | Talbot | 37,782 | New Cingular Wireless PCS LLC - DC |
443-259-9 | Baltimore | Howard | 287,085 | ATX Telecommunications Services Ltd |
443-260-9 | Salisbury | Wicomico | 98,733 | Sprint Spectrum LP |
443-261-5 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-261-2 | Columbia | Anne Arundel | 537,656 | US LEC of Maryland Inc |
443-262-0 | Centreville | Queen Anne's | 47,798 | Verizon Maryland Inc |
443-262-6 | Salisbury | Queen Anne's | 47,798 | Cellco Partnership dba Verizon Wireless - MD |
443-262-1 | Salisbury | Queen Anne's | 47,798 | New Cingular Wireless PCS LLC - DC |
443-263 | Baltimore | Baltimore | 620,961 | Verizon Maryland Inc |
443-264 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-265-0 | Hanover | Baltimore | 805,029 | Cavalier Telephone Mid-Atlantic LLC - MD |
443-266-6 | Baltimore | Howard | 287,085 | Bandwidth.com CLEC LLC - MD |
443-266-7 | White Marsh | Howard | 287,085 | Comcast Phone of Northern Maryland Inc - MD |
443-267-8 | Baltimore | Harford | 244,826 | Bandwidth.com CLEC LLC - MD |
443-267-9 | Baltimore | Harford | 244,826 | Peerless Network of Maryland LLC |
443-268 | Baltimore | Baltimore | 620,961 | Core Communications Inc - MD |
443-269 | Baltimore | Baltimore | 805,029 | XO Maryland LLC |
443-270 | Baltimore | Anne Arundel | 537,656 | Paetec Communications Inc - MD |
443-271 | Hanover | Baltimore | 620,961 | Sprint Spectrum LP |
443-272-5 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-272-4 | Pikesville | Baltimore | 805,029 | Broadvox-CLEC LLC - MD |
443-273-1 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-273-0 | Columbia | Baltimore | 805,029 | Teleport Communications America LLC - MD |
443-274-7 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-274-6 | Baltimore | Anne Arundel | 537,656 | Lightwave Communications LLC - MD |
443-274-0 | Odenton | Anne Arundel | 537,656 | Verizon Maryland Inc |
443-275-9 | Baltimore | Baltimore | 805,029 | Level 3 Communications LLC - MD |
443-275-0 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-276-0 | Baltimore | Howard | 287,085 | Allegiance Telecom of Maryland Inc |
443-277 | Hanover | Carroll | 167,134 | Sprint Spectrum LP - MD |
443-278-3 | Baltimore | Baltimore | 620,961 | Omnipoint Communications Cap Operations LLC |
443-278-7 | Columbia | Baltimore | 620,961 | US LEC of Maryland Inc |
443-279-0 | Baltimore | Baltimore | 805,029 | Allegiance Telecom of Maryland Inc |
443-280-9 | Baltimore | Carroll | 167,134 | Bandwidth.com CLEC LLC - MD |
443-281-0 | Baltimore | Baltimore | 805,029 | Allegiance Telecom of Maryland Inc |
443-282-3 | Easton | Kent | 20,197 | MCI Worldcom Communications Inc - MD |
443-282-1 | Salisbury | Kent | 20,197 | Level 3 Communications LLC - MD |
443-282-2 | Wye Mills | Kent | 20,197 | AT&T Local |
443-283 | Baltimore | Howard | 287,085 | Paetec Communications Inc - MD |
443-284 | Baltimore | Howard | 287,085 | XO Maryland LLC |
443-285-9 | Baltimore | Howard | 287,085 | Cellco Partnership dba Verizon Wireless - MD |
443-286 | Woodlawn | Baltimore | 620,961 | Cellco Partnership dba Verizon Wireless - MD |
443-287 | Baltimore | Baltimore | 620,961 | Verizon Maryland Inc |
443-288-0 | Baltimore | Howard | 287,085 | Allegiance Telecom of Maryland Inc |
443-289-0 | Baltimore | Carroll | 167,134 | MCI Worldcom Communications Inc - MD |
443-289-9 | White Marsh | Carroll | 167,134 | Comcast Phone of Northern Maryland Inc - MD |
443-290-8 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-290-1 | Baltimore | Baltimore | 805,029 | Local Access LLC - MD |
443-290-4 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-291-9 | Baltimore | Carroll | 167,134 | Bandwidth.com CLEC LLC - MD |
443-291-6 | White Marsh | Carroll | 167,134 | Comcast Phone of Northern Maryland Inc - MD |
443-292-6 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-292-0 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-292-9 | Pikesville | Anne Arundel | 537,656 | Broadvox-CLEC LLC - MD |
443-293-0 | Baltimore | Carroll | 167,134 | Global Crossing Local Services Inc - MD |
443-293-3 | Baltimore | Carroll | 167,134 | Paetec Communications Inc - MD |
443-293-7 | White Marsh | Carroll | 167,134 | Comcast Phone of Northern Maryland Inc - MD |
443-294-3 | Baltimore | Anne Arundel | 537,656 | Bandwidth.com CLEC LLC - MD |
443-294-5 | Baltimore | Anne Arundel | 537,656 | Level 3 Communications LLC - MD |
443-294-6 | White Marsh | Anne Arundel | 537,656 | Comcast Phone of Northern Maryland Inc - MD |
443-295-3 | Baltimore | Calvert | 88,737 | Bandwidth.com CLEC LLC - MD |
443-295-2 | Baltimore | Calvert | 88,737 | Teleport Communications America LLC - MD |
443-295-5 | Woodlawn | Calvert | 88,737 | Cellco Partnership dba Verizon Wireless - MD |
443-296-2 | Baltimore | Howard | 287,085 | Bandwidth.com CLEC LLC - MD |
443-296-9 | Baltimore | Howard | 287,085 | XO Maryland LLC |
443-297-9 | Baltimore | Baltimore | 805,029 | Bandwidth.com CLEC LLC - MD |
443-297-0 | Baltimore | Baltimore | 805,029 | Teleport Communications America LLC - MD |
443-297-8 | White Marsh | Baltimore | 805,029 | Comcast Phone of Northern Maryland Inc - MD |
443-298-0 | Salisbury | Talbot | 37,782 | New Cingular Wireless PCS LLC - DC |
443-299-0 | Baltimore | Harford | 244,826 | Global Crossing Local Services Inc - MD |
443-299-6 | White Marsh | Harford | 244,826 | Comcast Phone of Northern Maryland Inc - MD |
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 443-2. 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 443-2. 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.