There are 764 phone number prefixes within area code 240. Additionally, there are more than 6,500 phone numbers in this area code that have received at least one user report. The location of calls from area code 240 is Maryland, USA. Most numbers in this area code are in US Eastern time, where the time is currently 4:39:29 AM on June 8, 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 |
|---|---|---|
| 240-900 | Washington Zone 4, MD | Onvoy, Llc - Md |
| 240-901 | La Plata, MD | Centurylink Communications, Llc |
| 240-902 | Damascus 240, MD | Twilio International, Inc. |
| 240-903 | Indian Head, MD | Comcast Ip Phone, Llc |
| 240-904 | Laurel 238, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 240-905 | Brandywine, MD | Metropcs, Inc. |
| 240-906 | Washington Zone 4, MD | Omnipoint Communications Cap Operations, Llc |
| 240-907 | Washington Zone 10, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 240-908 | Walkersville, MD | Onvoy, Llc - Md |
| 240-909 | Laurel 236, MD | Metropcs, Inc. |
| 240-910 | Frederick, MD | Radiantiq Llc |
| 240-911 | Maryland | |
| 240-912 | Gaithersburg, MD | Us Lec Of Maryland, Inc. |
| 240-913 | Damascus 240, MD | Onvoy, Llc - Md |
| 240-914 | Highfield, MD | Dish Wireless, Llc |
| 240-915 | New Market, MD | Telnyx Llc |
| 240-916 | Cumberland, MD | Dish Wireless, Llc |
| 240-917 | Laurel 236, MD | New Cingular Wireless Pcs, Llc - Dc |
| 240-918 | Ashton 236, MD | Omnipoint Communications Cap Operations, Llc |
| 240-919 | Ashton 236, MD | Omnipoint Communications Cap Operations, Llc |
| 240-920 | Cumberland, MD | Level 3 Communications, Llc - Md |
| 240-921 | Washington Zone 10, MD | Omnipoint Communications Cap Operations, Llc |
| 240-922 | Washington Zone 11, MD | Fractel, Llc |
| 240-923 | Washington Zone 6, MD | Omnipoint Communications Cap Operations, Llc |
| 240-924 | Mount Airy, MD | Bandwidth.com Clec, Llc - Md |
| 240-925 | Leonardtown, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 240-926 | Hughesville, MD | Omnipoint Communications Cap Operations, Llc |
| 240-927 | Washington Zone 4, MD | Omnipoint Communications Cap Operations, Llc |
| 240-928 | Myersville, MD | New Cingular Wireless Pcs, Llc - Dc |
| 240-929 | Washington Zone 14, MD | Cavalier East, Llc - Md |
| 240-933 | Buckeystown, MD | Ton80 Communications, Llc |
| 240-934 | Middletown, MD | Ton80 Communications, Llc |
| 240-936 | Ashton 236, MD | Omnipoint Communications Cap Operations, Llc |
| 240-938 | Ashton 236, MD | Omnipoint Communications Cap Operations, Llc |
| 240-942 | Bittinger, MD | Radiantiq Llc |
| 240-944 | Westernport, MD | Radiantiq Llc |
| 240-945 | Washington Zone 3, MD | Onvoy, Llc - Md |
| 240-946 | Washington Zone 14, MD | Fractel, Llc |
| 240-949 | Washington Zone 16, MD | Cavalier East, Llc - Md |
| 240-950 | Maryland | |
| 240-951 | Hagerstown, MD | Teleport Communications America, Llc - Md |
| 240-952 | Hagerstown, MD | Teleport Communications America, Llc - Md |
| 240-953 | Hagerstown, MD | Teleport Communications America, Llc - Md |
| 240-954 | Hagerstown, MD | Teleport Communications America, Llc - Md |
| 240-956 | Washington Zone 2, MD | Onvoy, Llc - Md |
| 240-958 | Maryland | |
| 240-959 | Maryland | |
| 240-964 | Cumberland, MD | Verizon Maryland, Inc. |
| 240-965 | Washington Zone 13, MD | Paetec Communications, Inc. - Md |
| 240-966 | Washington Zone 16, MD | Ton80 Communications, Llc |
| 240-970 | Washington Zone 12, MD | Onvoy, Llc - Md |
| 240-971 | Frederick, MD | Centurylink Communications, Llc |
| 240-972 | Laurel 238, MD | Baltimore-washington Telephone (bwt) |
| 240-976 | Maryland | Multiple Ocn Listing |
| 240-979 | Cumberland, MD | Level 3 Communications, Llc - Md |
| 240-985 | Williamsport, MD | Centurylink Communications, Llc |
| 240-986 | Nanjemoy, MD | Xo Maryland, Llc |
| 240-988 | Washington Zone 3, MD | Sprint Spectrum, L.p. |
| 240-993 | Indian Head, MD | Xo Maryland, Llc |
| 240-994 | Washington Zone 10, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 240-995 | Flintstone, MD | Onvoy, Llc - Md |
| 240-996 | Brunswick, MD | Centurylink Communications, Llc |
| 240-997 | Washington Zone 3, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 240-998 | Hancock, MD | Centurylink Communications, Llc |
June 6, 2025