(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 |