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NDC: 443

This is the National Destination Code(NDC):443 page list. Its detail is as below.
Area code 443 was first put in service June 1, 1997. In 2012, area code 667 was created as an overlay to area code 443. Currently, the largest city it serves is Baltimore, MD, and it overlaps coverage areas with area codes 410 and 667.
Prefix State Primary city Usage Carrier
(443) 402- Maryland Edgewood Landline Teleport Communications America
(443) 403- Maryland Aberdeen Landline Broadwing Communications. LLC
(443) 404- Maryland Solomons Wireless Sprint Spectrum L.p.
(443) 405- Maryland Baltimore Landline Global Crossing Local Services-md
(443) 406- Maryland Elkton Landline Teleport Communications America
(443) 407- Maryland Baltimore Landline Allegiance Telecom
(443) 408- Maryland Baltimore Landline Xo Maryland
(443) 409- Maryland Edgewood Landline Cavalier Telephone Mid-atlantic
(443) 410- Maryland Baltimore Landline Centurylink Communications LLC
(443) 412- Maryland Churchville Landline Teleport Communications America
(443) 413- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 414- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 415- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 416- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 417- Maryland Fallston Landline Teleport Communications America
(443) 418- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 419- Maryland Glenwood Landline Cavalier Telephone Mid-atlantic
(443) 420- Maryland Baltimore Landline Global Crossing Local Services-md
(443) 421- Maryland Fork Wireless New Cingular Wireless PCS - DC
(443) 422- Maryland Glen Burnie Wireless Leap Wireless Intl DBA Cricket Comm
(443) 423- Maryland Baltimore Landline Broadwing Communications. LLC
(443) 424- Maryland Cardiff Landline Teleport Communications America
(443) 425- Maryland Baltimore Landline AT&T Local
(443) 426- Maryland Baltimore Landline Paetec Communications
(443) 427- Maryland Princess Anne Landline Core Communications
(443) 428- Maryland Cockeysville Landline Core Communications
(443) 429- Maryland Woodlawn Landline Cavalier Telephone Mid-atlantic
(443) 430- Maryland Baltimore Landline Xo Maryland
(443) 431- Maryland Randallstown Landline Xo Maryland
(443) 432- Maryland Prince Frederick Landline Ctc Communications Corp.
(443) 433- Maryland Annapolis Landline Xo Maryland
(443) 434- Maryland Federalsburg Landline Comcast Phone Of Northern Maryland
(443) 435- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 436- Maryland Woodlawn Landline Verizon Maryland
(443) 437- Maryland Pocomoke Landline Teleport Communications America
(443) 438- Maryland Baltimore Wireless Cellco Partnership DBA Verizon Wireless
(443) 439- Maryland Trappe Landline Cellco Partnership DBA Verizon Wireless
(443) 440- Maryland Annapolis Landline Verizon Maryland
(443) 441- Maryland Glenwood Landline Teleport Communications America
(443) 442- Maryland Parkville Landline Cavalier Telephone Mid-atlantic
(443) 444- Maryland Baltimore Landline Verizon Maryland
(443) 445- Maryland Elkridge Landline Verizon Maryland
(443) 446- Maryland Queenstown Landline Mci Worldcom Communications
(443) 447- Maryland Baltimore Wireless Leap Wireless Intl DBA Cricket Comm
(443) 448- Maryland Denton Landline Comcast Phone Of Northern Maryland
(443) 449- Maryland Baltimore Landline Broadview Networks
(443) 450- Maryland Baltimore Landline Level 3 Communications
(443) 451- Maryland Baltimore Landline Paetec Communications
(443) 452- Maryland Baltimore Landline Us Lec Of Maryland
(443) 453- Maryland Baltimore Landline Neutral Tandem-maryland
(443) 454- Maryland Annapolis Wireless Omnipoint Communications Cap Operations
(443) 455- Maryland Baltimore Landline Verizon Maryland
(443) 456- Maryland Edgewood Landline AT&T Local
(443) 457- Maryland Baltimore Landline Teleport Communications America
(443) 458- Maryland Annapolis Landline Allegiance Telecom
(443) 459- Maryland Baltimore Landline Paetec Communications
(443) 460- Maryland Baltimore Landline Allegiance Telecom
(443) 461- Maryland Parkville Landline Us Lec Of Maryland
(443) 462- Maryland Baltimore Wireless Cellco Partnership DBA Verizon Wireless
(443) 463- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 464- Maryland Churchville Landline Broadview Networks
(443) 465- Maryland Towson Wireless Cellco Partnership DBA Verizon Wireless
(443) 466- Maryland Elkton Wireless Sprint Spectrum L.p.
(443) 467- Maryland Baltimore Wireless Leap Wireless Intl DBA Cricket Comm
(443) 468- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 469- Maryland Baltimore Wireless Leap Wireless Intl DBA Cricket Comm
(443) 470- Maryland Towson Landline Us Lec Of Maryland
(443) 471- Maryland Columbia Landline Us Lec Of Maryland
(443) 472- Maryland Baltimore Landline Level 3 Communications
(443) 473- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 474- Maryland Catonsville Wireless New Cingular Wireless PCS - DC
(443) 475- Maryland Baltimore Landline Mci Worldcom Communications
(443) 476- Maryland Annapolis Wireless Verizon Maryland
(443) 477- Maryland Cambridge Wireless Cellco Partnership DBA Verizon Wireless
(443) 478- Maryland Baltimore Wireless Cellco Partnership DBA Verizon Wireless
(443) 479- Maryland Laurel Landline Verizon Maryland
(443) 480- Maryland Chestertown Wireless Cellco Partnership DBA Verizon Wireless
(443) 481- Maryland Annapolis Landline Us Lec Of Maryland
(443) 482- Maryland Annapolis Landline Verizon Maryland
(443) 483- Maryland Cardiff Landline Broadwing Communications. LLC
(443) 484- Maryland Edgewood Landline Broadwing Communications. LLC
(443) 485- Maryland Elkton Landline Broadwing Communications. LLC
(443) 486- Maryland Prince Frederick Landline Broadwing Communications. LLC
(443) 487- Maryland Westminster Landline Broadwing Communications. LLC
(443) 488- Maryland Baltimore Wireless Leap Wireless Intl DBA Cricket Comm
(443) 489- Maryland Baltimore Landline Teleport Communications America
(443) 490- Maryland Edgewood Landline Global Crossing Local Services-md
(443) 491- Maryland Parkton Landline Global Crossing Local Services-md
(443) 492- Maryland Baltimore Landline Global Crossing Local Services-md
(443) 493- Maryland Delmar Wireless Cellco Partnership DBA Verizon Wireless
(443) 494- Maryland Millersville Landline Global Crossing Local Services-md
(443) 495- Maryland Baltimore Landline Global Crossing Local Services-md
(443) 496- Maryland Easton Wireless Sprint Spectrum L.p.
(443) 497- Maryland Salisbury Wireless Sprint Spectrum L.p.
(443) 498- Maryland Baltimore Landline Allegiance Telecom
(443) 499- Maryland Jarrettsville Landline Global Crossing Local Services-md
(443) 500- Maryland Baltimore Wireless Leap Wireless Intl DBA Cricket Comm
(443) 501- Maryland Baltimore Landline Global Crossing Local Services-md
(443) 502- Maryland Havre De Grace Landline Teleport Communications America
(443) 503- Maryland Baltimore Landline Xo Maryland