There are 800 phone number prefixes within area code 443. Additionally, there are more than 6,600 phone numbers in this area code that have received at least one user report. The location of calls from area code 443 is Maryland, USA. Most numbers in this area code are in US Eastern time, where the time is currently 8:53:16 PM on June 3, 2025.
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Prefix | City / State | Primary Telco |
|---|---|---|
| 443-800 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-801 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-802 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-803 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-804 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-805 | Glen Burnie, MD | Omnipoint Communications Cap Operations, Llc |
| 443-806 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-807 | Fallston, MD | Sprint Spectrum, L.p. |
| 443-808 | Annapolis, MD | Bandwidth.com Clec, Llc - Md |
| 443-809 | Towson, MD | Level 3 Communications, Llc - Md |
| 443-810 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-811 | Maryland | |
| 443-812 | Columbia, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-813 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-814 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-815 | Essex, MD | Xo Maryland, Llc |
| 443-816 | Severna Park, MD | Xo Maryland, Llc |
| 443-817 | Armiger Gibson Island, MD | Xo Maryland, Llc |
| 443-818 | Armiger Gibson Island, MD | Level 3 Communications, Llc - Md |
| 443-819 | Bel Air, MD | Omnipoint Communications Cap Operations, Llc |
| 443-820 | Elkridge, MD | Paetec Communications, Inc. - Md |
| 443-821 | Westminster, MD | Sprint Spectrum, L.p. |
| 443-822 | Annapolis, MD | Sprint Spectrum, L.p. |
| 443-823 | Towson, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-824 | Towson, MD | Omnipoint Communications Cap Operations, Llc |
| 443-825 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-826 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-827 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-828 | Ellicott City, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-829 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-830 | Catonsville, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-831 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-832 | Columbia, MD | Level 3 Communications, Llc - Md |
| 443-833 | Arbutus, MD | Us Lec Of Maryland, Inc. |
| 443-834 | Towson, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-835 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-836 | Baltimore, MD | Xo Maryland, Llc |
| 443-837 | Annapolis, MD | Us Lec Of Maryland, Inc. |
| 443-838 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-839 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-840 | Catonsville, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-841 | Towson, MD | Verizon Maryland, Inc. |
| 443-842 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-843 | Havre De Grace, MD | Verizon Maryland, Inc. |
| 443-844 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-845 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-846 | Towson, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-847 | Towson, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-848 | Glen Burnie, MD | Sprint Spectrum, L.p. |
| 443-849 | Towson, MD | Verizon Maryland, Inc. |
| 443-850 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-851 | Catonsville, MD | Omnipoint Communications Cap Operations, Llc |
| 443-852 | Annapolis, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-853 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-854 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-855 | Aberdeen, MD | Lightwave Communications, Llc - Md |
| 443-856 | Ocean City, MD | Core Communications, Inc.- Md |
| 443-857 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-858 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-859 | Salisbury, MD | Omnipoint Communications Cap Operations, Llc |
| 443-860 | Catonsville, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-861 | Aberdeen, MD | Verizon Maryland, Inc. |
| 443-862 | Towson, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-863 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-864 | Columbia, MD | Sprint Spectrum, L.p. |
| 443-865 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-866 | Bel Air, MD | Sprint Spectrum, L.p. |
| 443-867 | Glen Burnie, MD | Paetec Communications, Inc. - Md |
| 443-868 | Essex, MD | Verizon Maryland, Inc. |
| 443-869 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-870 | Pikesville, MD | Level 3 Telecom Of Maryland, Llc - Md |
| 443-871 | Annapolis, MD | Sprint Spectrum, L.p. |
| 443-872 | Baltimore, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-873 | Baltimore, MD | Onvoy, Llc - Md |
| 443-874 | Baltimore, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-875 | Annapolis, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-876 | Bel Air, MD | Sprint Spectrum, L.p. |
| 443-877 | North East, MD | Level 3 Communications, Llc - Md |
| 443-878 | Columbia, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-879 | Dundalk, MD | Verizon Maryland, Inc. |
| 443-880 | Salisbury, MD | Teleport Communications America, Llc - Md |
| 443-881 | Reisterstown, MD | Metropcs, Inc. |
| 443-882 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-883 | Glen Burnie, MD | Teleport Communications America, Llc - Md |
| 443-884 | Baltimore, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-885 | Baltimore, MD | Verizon Maryland, Inc. |
| 443-886 | Cockeysville, MD | Teleport Communications America, Llc - Md |
| 443-887 | Catonsville, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-888 | Princess Anne, MD | Cavalier Telephone, Llc (mid-atlantic) - Md |
| 443-889 | Glen Burnie, MD | Omnipoint Communications Cap Operations, Llc |
| 443-890 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-891 | Glen Burnie, MD | Xo Maryland, Llc |
| 443-892 | New Windsor, MD | Bandwidth.com Clec, Llc - Md |
| 443-893 | Woodlawn, MD | Xo Maryland, Llc |
| 443-894 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-895 | Towson, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-896 | Columbia, MD | Teleport Communications America, Llc - Md |
| 443-897 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-898 | Pikesville, MD | Level 3 Communications, Llc - Md |
| 443-899 | Waterloo 238, MD | Level 3 Communications, Llc - Md |
June 2, 2025