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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) 200- Maryland Baltimore Landline Allegiance Telecom
(443) 201- Maryland Westminster Wireless Cellco Partnership DBA Verizon Wireless
(443) 202- Maryland Baltimore Wireless Cellco Partnership DBA Verizon Wireless
(443) 203- Maryland West River Landline Verizon Maryland
(443) 204- Maryland Pikesville Wireless New Cingular Wireless PCS - DC
(443) 205- Maryland Cambridge Wireless Sprint Spectrum L.p.
(443) 206- Maryland Perryville Wireless Cellco Partnership DBA Verizon Wireless
(443) 207- Maryland Elkton Wireless Omnipoint Communications Enterprises, L.p.
(443) 208- Maryland Essex Landline Sprint Spectrum L.p.
(443) 209- Maryland Havre De Grace Landline Cavalier Telephone (mid-atlantic)
(443) 210- Maryland Aberdeen Landline Sprint Spectrum L.p.
(443) 212- Maryland Sparks Glencoe Landline Us Lec Of Maryland
(443) 213- Maryland Baltimore Landline Verizon Maryland
(443) 214- Maryland Annapolis Landline New Cingular Wireless PCS - DC
(443) 215- Maryland Chestertown Landline Core Communications
(443) 216- Maryland Dundalk Landline Cavalier Telephone Mid-atlantic
(443) 217- Maryland Annapolis Landline Core Communications
(443) 218- Maryland Reisterstown Landline Global Crossing Local Services-md
(443) 219- Maryland Baltimore Landline Level 3 Communications
(443) 220- Maryland Baltimore Landline Verizon Maryland
(443) 221- Maryland Annapolis Landline Level 3 Communications
(443) 222- Maryland Reisterstown Landline Xo Maryland
(443) 223- Maryland Annapolis Wireless Cellco Partnership DBA Verizon Wireless
(443) 224- Maryland Baltimore Landline Mci Worldcom Communications
(443) 225- Maryland Cambridge Landline Sprint Spectrum L.p.
(443) 226- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 227- Maryland Port Deposit Landline Ctc Communications Corp.
(443) 228- Maryland Middle River Landline Us Lec Of Maryland
(443) 229- Maryland Severna Park Landline Cavalier Telephone Mid-atlantic
(443) 230- Maryland Odenton Landline Ctc Communications Corp.
(443) 231- Maryland Baltimore Landline AT&T Local
(443) 232- Maryland Willards Landline Cavalier Telephone (mid-atlantic)
(443) 233- Maryland Mardela Springs Landline Cavalier Telephone (mid-atlantic)
(443) 234- Maryland Snow Hill Landline Cavalier Telephone (mid-atlantic)
(443) 235- Maryland Salisbury Wireless Cellco Partnership DBA Verizon Wireless
(443) 236- Maryland Cardiff Landline Core Communications
(443) 237- Maryland North Beach Landline Core Communications
(443) 238- Maryland Parkton Landline Ctc Communications Corp.
(443) 239- Maryland Easton Wireless New Cingular Wireless PCS - DC
(443) 240- Maryland Baltimore Wireless New Cingular Wireless PCS - DC
(443) 241- Maryland Westminster Landline Global Naps South
(443) 242- Maryland Sparrows Point Landline Cavalier Telephone Mid-atlantic
(443) 243- Maryland Fallston Wireless Cellco Partnership DBA Verizon Wireless
(443) 244- Maryland Westminster Landline Level 3 Communications
(443) 245- Maryland Elkton Landline Cavalier Telephone (mid-atlantic)
(443) 246- Maryland Elkton Landline Core Communications
(443) 247- Maryland Union Bridge Landline Ctc Communications Corp.
(443) 248- Maryland Catonsville Wireless Cellco Partnership DBA Verizon Wireless
(443) 249- Maryland Stevensville Landline Verizon Maryland
(443) 250- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 251- Maryland Chestertown Wireless Local Access LLC
(443) 252- Maryland Perryville Wireless Cellco Partnership DBA Verizon Wireless
(443) 253- Maryland Baltimore Wireless New Cingular Wireless PCS - DC
(443) 254- Maryland Annapolis Wireless Omnipoint Communications Cap Operations
(443) 255- Maryland Baltimore Wireless New Cingular Wireless PCS - DC
(443) 256- Maryland North East Landline Ctc Communications Corp.
(443) 257- Maryland Baltimore Wireless Cellco Partnership DBA Verizon Wireless
(443) 258- Maryland Easton Wireless New Cingular Wireless PCS - DC
(443) 259- Maryland Columbia Landline Verizon Maryland
(443) 260- Maryland Salisbury Landline Verizon Maryland
(443) 261- Maryland Severna Park Landline Mci Worldcom Communications
(443) 262- Maryland Centreville Landline Verizon Maryland
(443) 263- Maryland Baltimore Landline Verizon Maryland
(443) 264- Maryland Pikesville Landline Xo Maryland
(443) 265- Maryland Fork Landline Cavalier Telephone Mid-atlantic
(443) 266- Maryland Glenwood Landline Global Crossing Local Services-md
(443) 267- Maryland Darlington Landline Teleport Communications America
(443) 268- Maryland Baltimore Landline Core Communications
(443) 269- Maryland Towson Landline Xo Maryland
(443) 270- Maryland Baltimore Landline Paetec Communications
(443) 271- Maryland Baltimore Wireless Sprint Spectrum L.p.
(443) 272- Maryland Baltimore Landline Teleport Communications America
(443) 273- Maryland Reisterstown Landline Teleport Communications America
(443) 274- Maryland Severn Landline Verizon Maryland
(443) 275- Maryland Baltimore Landline Comcast Phone Of Northern Maryland
(443) 276- Maryland Baltimore Landline Allegiance Telecom
(443) 277- Maryland Sykesville Wireless Sprint Spectrum L.p.
(443) 278- Maryland Baltimore Landline Vdl DBA Global Telecom Brokers
(443) 279- Maryland Baltimore Landline Allegiance Telecom
(443) 280- Maryland Sykesville Wireless New Cingular Wireless PCS - DC
(443) 281- Maryland Baltimore Landline Allegiance Telecom
(443) 282- Maryland Chestertown Wireless Sprint Spectrum L.p.
(443) 283- Maryland Baltimore Landline Paetec Communications
(443) 284- Maryland Jessup Landline Xo Maryland
(443) 285- Maryland Columbia Landline Verizon Maryland
(443) 286- Maryland Baltimore Wireless Cellco Partnership DBA Verizon Wireless
(443) 287- Maryland Baltimore Landline Verizon Maryland
(443) 288- Maryland Baltimore Landline Allegiance Telecom
(443) 289- Maryland Westminster Landline Mci Worldcom Communications
(443) 290- Maryland Parkville Landline Tw Telecom Of Maryland LLC
(443) 291- Maryland Hampstead Landline Global Crossing Local Services-md
(443) 292- Maryland Laurel Landline Level 3 Communications
(443) 293- Maryland Westminster Landline Global Crossing Local Services-md
(443) 294- Maryland West River Landline Global Crossing Local Services-md
(443) 295- Maryland Prince Frederick Landline Level 3 Communications
(443) 296- Maryland Baltimore Landline Global Crossing Local Services-md
(443) 297- Maryland Arbutus Landline Teleport Communications America
(443) 298- Maryland Easton Wireless New Cingular Wireless PCS - DC
(443) 299- Maryland Fallston Landline Global Crossing Local Services-md
(443) 300- Maryland Sykesville Landline Broadwing Communications. LLC