District of Maryland area codes: 443 | |
---|---|
Country | United States |
State/Province | Maryland |
Major City | Baltimore |
Time Zone | Eastern |
Prefix | County | Primary City | Company |
---|---|---|---|
443-423 | Baltimore City | Baltimore, MD | Broadwing Communications. LLC |
443-424 | Harford | Cardiff, MD | Teleport Communications America |
443-425 | Baltimore City | Baltimore, MD | AT&T Local |
443-426 | Baltimore City | Baltimore, MD | Paetec Communications |
443-427 | Somerset | Princess Anne, MD | Core Communications |
443-428 | Baltimore | Cockeysville, MD | Core Communications |
443-429 | Baltimore | Woodlawn, MD | Cavalier Telephone Mid-atlantic |
443-430 | Baltimore City | Baltimore, MD | Xo Maryland |
443-431 | Baltimore | Randallstown, MD | Xo Maryland |
443-432 | Calvert | Prince Frederick, MD | Ctc Communications Corp. |
443-433 | Anne Arundel | Annapolis, MD | Xo Maryland |
443-434 | Caroline | Federalsburg, MD | Comcast Phone Of Northern Maryland |
443-435 | Baltimore City | Baltimore, MD | Sprint Spectrum L.p. |
443-436 | Baltimore | Woodlawn, MD | Verizon Maryland |
443-437 | Worcester | Pocomoke, MD | Teleport Communications America |
443-438 | Baltimore City | Baltimore, MD | Cellco Partnership DBA Verizon Wireless |
443-439 | Talbot | Trappe, MD | Cellco Partnership DBA Verizon Wireless |
443-440 | Anne Arundel | Annapolis, MD | Verizon Maryland |
443-441 | Howard | Glenwood, MD | Teleport Communications America |
443-442 | Baltimore | Parkville, MD | Cavalier Telephone Mid-atlantic |
There are 781 prefixes, In the code area, the major cities are Annapolis, MD;Arbutus, MD;Arnold, MD;Baltimore, MD. The major city is Baltimore.