Area Code 443-300 : Area Code 443-399

VerifyPhone.com is your one-stop site for area code lookup, phone number lookup, and free phone number reviews. Following is reverse lookup detail & reviews for area code 443 3xx including 443 area code location map. Major cities such as Baltimore, Hanover, Salisbury, Columbia, Woodlawn covered within area code 443 3xx are also listed on this page. More area codes, including those outside of Maryland, United States of America, are on the VerifyPhone.com homepage.

Reverse Lookup Detail for Area Code 443 3xx

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.

Verified changes in Area Code 443 3XX

Date ChangedChange Details
Apr 27, 2014Area 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, 2014Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-305 is operational from Apr 23, 2014.
Apr 23, 2014Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-312 is operational from Apr 23, 2014.
Apr 23, 2014Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-315 is operational from Apr 23, 2014.
Apr 23, 2014Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-316 is operational from Apr 23, 2014.
Apr 23, 2014Area code 410 subscribers are now overlayed with area code 443. Subscriber area code 443-390 is operational from Apr 23, 2014.

Area Code 443-300 - Area Code 443-399 (Covers 443 3xx xxxx phone numbers)

Area CodeCityCountyPopulationNetwork Operator
443-300-8BaltimoreCarroll167,134Bandwidth.com CLEC LLC - MD
443-300-0BaltimoreCarroll167,134Broadwing Communications LLC - MD
443-300-3BaltimoreCarroll167,134MCI Worldcom Communications Inc - MD
443-301-1BaltimoreBaltimore620,961Teleport Communications America LLC - MD
443-301-0ColumbiaBaltimore620,961New Cingular Wireless PCS LLC - DC
443-302-9BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-302-0BaltimoreAnne Arundel537,656Global Crossing Local Services Inc - MD
443-302-8BaltimoreAnne Arundel537,656Level 3 Communications LLC - MD
443-302-6BaltimoreAnne Arundel537,656MCI Worldcom Communications Inc - MD
443-302-2White MarshAnne Arundel537,656Comcast Phone of Northern Maryland Inc - MD
443-303-0BaltimoreHarford244,826Global Crossing Local Services Inc - MD
443-303-5BaltimoreHarford244,826Level 3 Communications LLC - MD
443-303-3BaltimoreHarford244,826MCI Worldcom Communications Inc - MD
443-303-9BaltimoreHarford244,826Omnipoint Communications Cap Operations LLC
443-303-8BaltimoreHarford244,826XO Maryland LLC
443-304-9BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-304-0BaltimoreBaltimore805,029Global Crossing Local Services Inc - MD
443-304-5BaltimoreBaltimore805,029Level 3 Communications LLC - MD
443-304-6BaltimoreBaltimore805,029XO Maryland LLC
443-304-2White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-305-9BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-305-0BaltimoreAnne Arundel537,656Global Crossing Local Services Inc - MD
443-305-7BaltimoreAnne Arundel537,656Level 3 Communications LLC - MD
443-305-2White MarshAnne Arundel537,656Comcast Phone of Northern Maryland Inc - MD
443-306-0HanoverAnne Arundel537,656Sprint Spectrum LP
443-307-0BaltimoreHarford244,826Global Crossing Local Services Inc - MD
443-307-8BaltimoreHarford244,826Level 3 Communications LLC - MD
443-307-3ColumbiaHarford244,826New Cingular Wireless PCS LLC - DC
443-307-7HanoverHarford244,826Sprint Spectrum LP
443-307-9HanoverHarford244,826Sprint Spectrum LP - MD
443-308-0BaltimoreAnne Arundel537,656Allegiance Telecom of Maryland Inc
443-309BaltimoreCecil101,108Sprint Spectrum LP
443-310ColumbiaBaltimore620,961New Cingular Wireless PCS LLC - DC
443-311607,313Non Emergency Police And Other Governmental Services
443-312-9BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-312-0BaltimoreAnne Arundel537,656Global Crossing Local Services Inc - MD
443-312-7BaltimoreAnne Arundel537,656Level 3 Communications LLC - MD
443-312-8White MarshAnne Arundel537,656Comcast Phone of Northern Maryland Inc - MD
443-313-0BaltimoreBaltimore805,029Global Crossing Local Services Inc - MD
443-313-5BaltimoreBaltimore805,029Level 3 Communications LLC - MD
443-313-9BaltimoreBaltimore805,029Peerless Network of Maryland LLC
443-314-0HanoverBaltimore620,961Sprint Spectrum LP
443-315-0BaltimoreBaltimore805,029Global Crossing Local Services Inc - MD
443-315-9ColumbiaBaltimore805,029New Cingular Wireless PCS LLC - DC
443-315-2PikesvilleBaltimore805,029Broadvox-CLEC LLC - MD
443-315-5White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-316-2BaltimoreBaltimore805,029AT&T Local
443-316-3BaltimoreBaltimore805,029CTC Communications Corporation - MD
443-316-0BaltimoreBaltimore805,029Global Crossing Local Services Inc - MD
443-316-6BaltimoreBaltimore805,029Level 3 Communications LLC - MD
443-316-8White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-317-9BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-317-0BaltimoreBaltimore805,029Global Crossing Local Services Inc - MD
443-317-5BaltimoreBaltimore805,029Level 3 Communications LLC - MD
443-317-2PikesvilleBaltimore805,029Broadvox-CLEC LLC - MD
443-317-8White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-318-8BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-318-7BaltimoreBaltimore805,029Level 3 Communications LLC - MD
443-318-0Bel AirBaltimore805,029Cavalier Telephone LLC (Mid-Atlantic) - MD
443-318-4White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-319-4BaltimoreHoward287,085Lightwave Communications LLC - MD
443-319-3BaltimoreHoward287,085Omnipoint Communications Cap Operations LLC
443-319-8BaltimoreHoward287,085XO Maryland LLC
443-319-0Bel AirHoward287,085Cavalier Telephone LLC (Mid-Atlantic) - MD
443-319-5White MarshHoward287,085Comcast Phone of Northern Maryland Inc - MD
443-320-0BaltimoreBaltimore620,961Global Crossing Local Services Inc - MD
443-320-3BaltimoreBaltimore620,961Omnipoint Communications Cap Operations LLC
443-320-7ColumbiaBaltimore620,961US LEC of Maryland Inc
443-320-8HanoverBaltimore620,961Sprint Spectrum LP
443-321BaltimoreAnne Arundel537,656Paetec Communications Inc - MD
443-322-6ColumbiaBaltimore805,029New Cingular Wireless PCS LLC - DC
443-322-0HanoverBaltimore805,029Cavalier Telephone Mid-Atlantic LLC - MD
443-323-0SalisburyWicomico98,733Cavalier Telephone LLC (Mid-Atlantic) - MD
443-323-3SalisburyWicomico98,733Comcast Phone of Northern Maryland Inc - MD
443-324HanoverBaltimore620,961Sprint Spectrum LP
443-325-3BaltimoreHoward287,085MetroPCS Inc
443-325-0HanoverHoward287,085Cavalier Telephone Mid-Atlantic LLC - MD
443-325-5White MarshHoward287,085Comcast Phone of Northern Maryland Inc - MD
443-326ColumbiaBaltimore620,961New Cingular Wireless PCS LLC - DC
443-327-9BaltimoreHarford244,826Bandwidth.com CLEC LLC - MD
443-327-5BaltimoreHarford244,826XO Maryland LLC
443-327-1ColumbiaHarford244,826US LEC of Maryland Inc
443-327-0HanoverHarford244,826Cavalier Telephone Mid-Atlantic LLC - MD
443-327-8White MarshHarford244,826Comcast Phone of Northern Maryland Inc - MD
443-328-0BaltimoreCarroll167,134CTC Communications Corporation - MD
443-328-6White MarshCarroll167,134Comcast Phone of Northern Maryland Inc - MD
443-329-4Mc LeanPrince George's863,420Level 3 Communications LLC - MD
443-329-0WashingtonPrince George's863,420Global Crossing Local Services Inc - MD
443-329-3WashingtonPrince George's863,420YMax Communications Corporation - MD
443-330-7BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-330-3BaltimoreBaltimore805,029CTC Communications Corporation - MD
443-330-6BaltimoreBaltimore805,029XO Maryland LLC
443-330-0HanoverBaltimore805,029Cavalier Telephone Mid-Atlantic LLC - MD
443-330-8Sparks GlencoeBaltimore805,029Verizon Maryland Inc
443-330-5White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-331-0BaltimoreCarroll167,134CTC Communications Corporation - MD
443-332-6BaltimoreAnne Arundel537,656Paetec Communications Inc - MD
443-332-4ColumbiaAnne Arundel537,656US LEC of Maryland Inc
443-332-0HanoverAnne Arundel537,656Cavalier Telephone Mid-Atlantic LLC - MD
443-333-9BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-333-4BaltimoreAnne Arundel537,656Level 3 Communications LLC - MD
443-333-2HanoverAnne Arundel537,656Sprint Spectrum LP
443-334-0BaltimoreBaltimore805,029Allegiance Telecom of Maryland Inc
443-334-8BaltimoreBaltimore805,029Level 3 Communications LLC - MD
443-335BaltimoreAnne Arundel537,656XO Maryland LLC
443-336HanoverAnne Arundel537,656Sprint Spectrum LP
443-337BaltimoreBaltimore805,029XO Maryland LLC
443-338-0BaltimoreBaltimore805,029CTC Communications Corporation - MD
443-339-0BaltimoreAnne Arundel537,656CTC Communications Corporation - MD
443-340WoodlawnCarroll167,134Cellco Partnership dba Verizon Wireless - MD
443-341-8BaltimoreBaltimore805,029ATX Telecommunications Services Ltd
443-341-2BaltimoreBaltimore805,029VDL Inc dba Global Telecom Brokers - MD
443-342-0BaltimoreCalvert88,737CTC Communications Corporation - MD
443-343-8BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-343-0BaltimoreAnne Arundel537,656Teleport Communications America LLC - MD
443-344BaltimoreAnne Arundel537,656Core Communications Inc - MD
443-345-9BaltimoreHarford244,826Bandwidth.com CLEC LLC - MD
443-345-7BaltimoreHarford244,826Omnipoint Communications Cap Operations LLC
443-346BaltimoreAnne Arundel537,656XO Maryland LLC
443-347-0BaltimoreHarford244,826CTC Communications Corporation - MD
443-348-8BaltimoreBaltimore805,029Level 3 Communications LLC - MD
443-348-7White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-349BaltimoreCarroll167,134Core Communications Inc - MD
443-350-8BaltimoreCecil101,108Sprint Spectrum LP
443-351-8BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-352-0BaltimoreBaltimore805,029AT&T Local
443-352-5Owings MillsBaltimore805,029Verizon Maryland Inc
443-353-9BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-353-0CockeysvilleBaltimore805,029Verizon Maryland Inc
443-354-1BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-354-9BaltimoreAnne Arundel537,656Local Access LLC - MD
443-354-2ElkridgeAnne Arundel537,656Leap Wireless International Inc dba Cricket Communications Inc
443-355-0BaltimoreHoward287,085Level 3 Communications LLC - MD
443-356-6BaltimoreHarford244,826Bandwidth.com CLEC LLC - MD
443-356-7ElkridgeHarford244,826Leap Wireless International Inc dba Cricket Communications Inc
443-357PikesvilleBaltimore805,029Verizon Maryland Inc
443-358-5SalisburyWicomico98,733Comcast Phone of Northern Maryland Inc - MD
443-358-0SalisburyWicomico98,733YMax Communications Corporation - MD
443-359-0SalisburyWicomico98,733Cellco Partnership dba Verizon Wireless - MD
443-360-6AberdeenHarford244,826Verizon Maryland Inc
443-360-8BaltimoreHarford244,826Omnipoint Communications Cap Operations LLC
443-360-4White MarshHarford244,826Comcast Phone of Northern Maryland Inc - MD
443-361BaltimoreCarroll167,134Core Communications Inc - MD
443-362-0SalisburyTalbot37,782Omnipoint Communications Cap Operations LLC
443-363BaltimoreAnne Arundel537,656XO Maryland LLC
443-364-8BaltimoreHoward287,085Bandwidth.com CLEC LLC - MD
443-364-0ColumbiaHoward287,085Teleport Communications America LLC - MD
443-365-7SalisburyWicomico98,733Cellco Partnership dba Verizon Wireless - MD
443-365-0SalisburyWicomico98,733Omnipoint Communications Cap Operations LLC
443-366-5SalisburyWicomico98,733Cellco Partnership dba Verizon Wireless - MD
443-367-8BaltimoreHoward287,085Cellco Partnership dba Verizon Wireless - MD
443-367-4ColumbiaHoward287,085US LEC of Maryland Inc
443-368BaltimoreCarroll167,134Core Communications Inc - MD
443-369BaltimoreHarford244,826Core Communications Inc - MD
443-370-0ColumbiaAnne Arundel537,656New Cingular Wireless PCS LLC - DC
443-371-3BaltimoreHarford244,826Bandwidth.com CLEC LLC - MD
443-371-9BaltimoreHarford244,826Level 3 Communications LLC - MD
443-371-7White MarshHarford244,826Comcast Phone of Northern Maryland Inc - MD
443-372-8BaltimoreHarford244,826Bandwidth.com CLEC LLC - MD
443-372-0ColumbiaHarford244,826US LEC of Maryland Inc
443-373-0SalisburyWorcester51,454Sprint Spectrum LP
443-374-8BaltimoreHarford244,826Omnipoint Communications Cap Operations LLC
443-375-3BaltimoreCarroll167,134Bandwidth.com CLEC LLC - MD
443-376-8BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-376-5White MarshBaltimore805,029Comcast Phone of Northern Maryland Inc - MD
443-377-7BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-378-4BaltimoreBaltimore620,961Verizon Maryland Inc
443-378-3ColumbiaBaltimore620,961US LEC of Maryland Inc
443-379-8BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-379-9ColumbiaBaltimore805,029New Cingular Wireless PCS LLC - DC
443-380-3BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-380-8WoodlawnBaltimore805,029Verizon Maryland Inc
443-381BaltimoreBaltimore805,029XO Maryland LLC
443-382EastonDorchester32,618Core Communications Inc - MD
443-383-0BaltimoreCarroll167,134CTC Communications Corporation - MD
443-384-7BaltimoreBaltimore805,029Bandwidth.com CLEC LLC - MD
443-384-0HanoverBaltimore805,029Cavalier Telephone Mid-Atlantic LLC - MD
443-385EastonTalbot37,782Core Communications Inc - MD
443-386-0WoodlawnBaltimore620,961Cellco Partnership dba Verizon Wireless - MD
443-387EastonWorcester51,454Core Communications Inc - MD
443-388-4BaltimoreBaltimore620,961Omnipoint Communications Cap Operations LLC
443-388-0WoodlawnBaltimore620,961Cellco Partnership dba Verizon Wireless - MD
443-389EastonWicomico98,733Core Communications Inc - MD
443-390-8BaltimoreHarford244,826Bandwidth.com CLEC LLC - MD
443-390-3BaltimoreHarford244,826MCI Worldcom Communications Inc - MD
443-391-0BaltimoreBaltimore805,029Global Crossing Local Services Inc - MD
443-391-9BaltimoreBaltimore805,029Peerless Network of Maryland LLC
443-392-0BaltimoreBaltimore620,961AT&T Local
443-393-0BaltimoreHoward287,085Global Crossing Local Services Inc - MD
443-394Owings MillsBaltimore805,029Verizon Maryland Inc
443-395-0AberdeenHarford244,826Verizon Maryland Inc
443-396-3BaltimoreAnne Arundel537,656Bandwidth.com CLEC LLC - MD
443-396-5BaltimoreAnne Arundel537,656Level 3 Communications LLC - MD
443-397-0SalisburyWicomico98,733Cellco Partnership dba Verizon Wireless - MD
443-398-2BaltimoreCarroll167,134Bandwidth.com CLEC LLC - MD
443-399-0BaltimoreBaltimore805,029Global Crossing Local Services Inc - MD
443-399-7BaltimoreBaltimore805,029Qwest Communications Company LLC
 

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443 Area Code

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443 Area Code Finder

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Telephone/Landline Area Codes

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Free Area Codes Locator for Maryland

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443 Area Code Reviews

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.

Telephone Area Codes in Maryland

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.

External links & resources for area code 443 in Maryland

  • CitySites Pages for Maryland (Source: Official CitySites)
  • Wikipedia Article on Area Code 443 (Source: Wikipedia)
  • State Information Resources for Maryland (Source: State Information)