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 6:55:22 AM on July 2, 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 |
|---|---|---|
| 443-900 | Towson, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-901 | Towson, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-902 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-903 | Bel Air, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-904 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-905 | Annapolis, MD | Sprint Spectrum, L.p. |
| 443-906 | Severna Park, MD | Peerless Network Of Maryland, Llc |
| 443-907 | Elkton, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-908 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-909 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-910 | Bel Air, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-911 | Maryland | |
| 443-912 | Towson, MD | Core Communications, Inc.- Md |
| 443-913 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-914 | Worthington, MD | Teleport Communications America, Llc - Md |
| 443-915 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-916 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-917 | Columbia, MD | Onvoy, Llc - Md |
| 443-918 | Taneytown, MD | Teleport Communications America, Llc - Md |
| 443-919 | Baltimore, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-920 | Sykesville, MD | Teleport Communications America, Llc - Md |
| 443-921 | Towson, MD | Paetec Communications, Inc. - Md |
| 443-922 | Edgewood, MD | Atx Telecommunications Services, Ltd. |
| 443-923 | Baltimore, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-924 | Annapolis, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-925 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-926 | Annapolis, MD | Level 3 Communications, Llc - Md |
| 443-927 | Baltimore, MD | Broadwing Communications, Llc - Md |
| 443-928 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-929 | Pikesville, MD | Omnipoint Communications Cap Operations, Llc |
| 443-930 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-931 | Baltimore, MD | Mcimetro Access Transmission Services Llc - Md |
| 443-932 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-933 | Cockeysville, MD | Teleport Communications America, Llc - Md |
| 443-934 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-935 | Towson, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-936 | Elkridge, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-937 | Union Bridge, MD | Teleport Communications America, Llc - Md |
| 443-938 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-939 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-940 | Pikesville, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-941 | Elkton, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-942 | Severna Park, MD | Teleport Communications America, Llc - Md |
| 443-943 | Sparrows Point, MD | Teleport Communications America, Llc - Md |
| 443-944 | Salisbury, MD | Comcast Ip Phone, Llc |
| 443-945 | Elkton, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-946 | Parkville, MD | Core Communications, Inc.- Md |
| 443-947 | Perryville, MD | Ctc Communications Corp. - Md |
| 443-948 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-949 | Annapolis, MD | Comcast Ip Phone, Llc |
| 443-950 | Maryland | |
| 443-951 | Annapolis, MD | Global Crossing Local Services, Inc. - Md |
| 443-952 | Westminster, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-953 | Salisbury, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-954 | Baltimore, MD | Paetec Communications, Inc. - Md |
| 443-955 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-956 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-957 | Baltimore, MD | At&t - Local |
| 443-958 | Maryland | |
| 443-959 | Maryland | |
| 443-960 | Glen Burnie, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-961 | Baltimore, MD | Intrado Communications, Llc |
| 443-962 | Glen Burnie, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-963 | Baltimore, MD | Bandwidth.com Clec, Llc - Md |
| 443-964 | North Beach, MD | Level 3 Communications, Llc - Md |
| 443-965 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-966 | Fallston, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-967 | North East, MD | Verizon Maryland, Inc. |
| 443-968 | Prince Frederick, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-969 | Essex, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-970 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-971 | Taneytown, MD | Bandwidth.com Clec, Llc - Md |
| 443-972 | Cambridge, MD | Us Lec Of Maryland, Inc. |
| 443-973 | Ellicott City, MD | Xo Maryland, Llc |
| 443-974 | Westminster, MD | Teleport Communications America, Llc - Md |
| 443-975 | Prince Frederick, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-976 | Maryland | Multiple Ocn Listing |
| 443-977 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-978 | Salisbury, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-979 | Columbia, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-980 | Catonsville, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-981 | Fallston, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-982 | Baltimore, MD | Ymax Communications Corp. - Md |
| 443-983 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-984 | Baltimore, MD | Verizon Maryland, Inc. |
| 443-985 | Randallstown, MD | Omnipoint Communications Cap Operations, Llc |
| 443-986 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-987 | Bel Air, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-988 | Centreville, MD | Level 3 Communications, Llc - Md |
| 443-989 | Glen Burnie, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-990 | Baltimore, MD | Bandwidth.com Clec, Llc - Md |
| 443-991 | Towson, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-992 | Baltimore, MD | Level 3 Communications, Llc - Md |
| 443-993 | Elkton, MD | Metropcs, Inc. |
| 443-994 | Annapolis, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-995 | Annapolis, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-996 | Catonsville, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-997 | Baltimore, MD | Verizon Maryland, Inc. |
| 443-998 | Parkville, MD | Verizon Maryland, Inc. |
| 443-999 | Baltimore, MD | Verizon Maryland, Inc. |
June 30, 2025