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 3:22:12 AM on June 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 |
|---|---|---|
| 443-500 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-501 | Pikesville, MD | Global Crossing Local Services, Inc. - Md |
| 443-502 | Havre De Grace, MD | Teleport Communications America, Llc - Md |
| 443-503 | Dundalk, MD | Xo Maryland, Llc |
| 443-504 | Fallston, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-505 | Essex, MD | Global Crossing Local Services, Inc. - Md |
| 443-506 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-507 | Hampstead, MD | Teleport Communications America, Llc - Md |
| 443-508 | Hampstead, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-509 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-510 | Annapolis, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-511 | Maryland | |
| 443-512 | Edgewood, MD | Verizon Maryland, Inc. |
| 443-513 | Berlin, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-514 | Catonsville, MD | Us Lec Of Maryland, Inc. |
| 443-515 | Cambridge, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-516 | Sykesville, MD | Global Crossing Local Services, Inc. - Md |
| 443-517 | Glen Burnie, MD | Global Crossing Local Services, Inc. - Md |
| 443-518 | Columbia, MD | Verizon Maryland, Inc. |
| 443-519 | Towson, MD | Global Crossing Local Services, Inc. - Md |
| 443-520 | Catonsville, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-521 | Cambridge, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-522 | Reisterstown, MD | Paetec Communications, Inc. - Md |
| 443-523 | Salisbury, MD | Verizon Maryland, Inc. |
| 443-524 | Baltimore, MD | Xo Maryland, Llc |
| 443-525 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-526 | Havre De Grace, MD | Ctc Communications Corp. - Md |
| 443-527 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-528 | Bel Air, MD | Sprint Spectrum, L.p. |
| 443-529 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-530 | Dundalk, MD | Paetec Communications, Inc. - Md |
| 443-531 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-532 | Prince Frederick, MD | Sprint Spectrum, L.p. |
| 443-533 | Jarrettsville, MD | Teleport Communications America, Llc - Md |
| 443-534 | Annapolis, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-535 | Columbia, MD | Verizon Maryland, Inc. |
| 443-536 | Westminster, MD | Sprint Spectrum, L.p. |
| 443-537 | Columbia, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-538 | Columbia, MD | Omnipoint Communications Cap Operations, Llc |
| 443-539 | Columbia, MD | Us Lec Of Maryland, Inc. |
| 443-540 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-541 | Cockeysville, MD | Paetec Communications, Inc. - Md |
| 443-542 | Columbia, MD | Comcast Ip Phone, Llc |
| 443-543 | Arbutus, MD | Verizon Maryland, Inc. |
| 443-544 | Pikesville, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-545 | Columbia, MD | Level 3 Communications, Llc - Md |
| 443-546 | Columbia, MD | Verizon Maryland, Inc. |
| 443-547 | Westminster, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-548 | Pikesville, MD | Xo Maryland, Llc |
| 443-549 | Dundalk, MD | Us Lec Of Maryland, Inc. |
| 443-550 | North Beach, MD | Level 3 Communications, Llc - Md |
| 443-551 | Woodlawn, MD | Level 3 Communications, Llc - Md |
| 443-552 | Baltimore, MD | Verizon Maryland, Inc. |
| 443-553 | Elkton, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-554 | Chase, MD | Omnipoint Communications Cap Operations, Llc |
| 443-555 | Baltimore, MD | Verizon Maryland, Inc. |
| 443-556 | Cockeysville, MD | Verizon Maryland, Inc. |
| 443-557 | Glen Burnie, MD | Xo Maryland, Llc |
| 443-558 | Aberdeen, MD | Xo Maryland, Llc |
| 443-559 | Essex, MD | Comcast Ip Phone, Llc |
| 443-560 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-561 | Elkridge, MD | Us Lec Of Maryland, Inc. |
| 443-562 | Baltimore, MD | New Cingular Wireless Pcs, Llc - Dc |
| 443-563 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-564 | Towson, MD | Level 3 Communications, Llc - Md |
| 443-565 | Randallstown, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-566 | Chesapeake City, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-567 | Bel Air, MD | Level 3 Communications, Llc - Md |
| 443-568 | Arbutus, MD | Xo Maryland, Llc |
| 443-569 | Annapolis, MD | Level 3 Communications, Llc - Md |
| 443-570 | Baltimore, MD | Omnipoint Communications Cap Operations, Llc |
| 443-571 | Baltimore, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-572 | Glen Burnie, MD | Verizon Maryland, Inc. |
| 443-573 | Baltimore, MD | Us Lec Of Maryland, Inc. |
| 443-574 | Ellicott City, MD | Us Lec Of Maryland, Inc. |
| 443-575 | Arbutus, MD | Cavalier Telephone Mid-atlantic, Llc - Md |
| 443-576 | Randallstown, MD | Xo Maryland, Llc |
| 443-577 | Glen Burnie, MD | Us Lec Of Maryland, Inc. |
| 443-578 | Cockeysville, MD | Xo Maryland, Llc |
| 443-579 | Essex, MD | Us Lec Of Maryland, Inc. |
| 443-580 | Baltimore, MD | Sprint Spectrum, L.p. |
| 443-581 | Chase, MD | Xo Maryland, Llc |
| 443-582 | Churchville, MD | Ctc Communications Corp. - Md |
| 443-583 | Columbia, MD | Ctc Communications Corp. - Md |
| 443-584 | Crofton, MD | Ctc Communications Corp. - Md |
| 443-585 | Darlington, MD | Ctc Communications Corp. - Md |
| 443-586 | Dundalk, MD | Xo Maryland, Llc |
| 443-587 | Edgewood, MD | Ctc Communications Corp. - Md |
| 443-588 | Parkville, MD | Xo Maryland, Llc |
| 443-589 | Cockeysville, MD | Us Lec Of Maryland, Inc. |
| 443-590 | Reisterstown, MD | Global Crossing Local Services, Inc. - Md |
| 443-591 | Glen Burnie, MD | Cellco Partnership Dba Verizon Wireless - Md |
| 443-592 | Elkridge, MD | Core Communications, Inc.- Md |
| 443-593 | Elkton, MD | Ctc Communications Corp. - Md |
| 443-594 | Sparrows Point, MD | Global Crossing Local Services, Inc. - Md |
| 443-595 | Sparks Glencoe, MD | Global Crossing Local Services, Inc. - Md |
| 443-596 | Essex, MD | Xo Maryland, Llc |
| 443-597 | Severna Park, MD | Global Crossing Local Services, Inc. - Md |
| 443-598 | Sherwood Forest, MD | Global Crossing Local Services, Inc. - Md |
| 443-599 | Severn, MD | Global Crossing Local Services, Inc. - Md |
May 31, 2025