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NDC: 623

This is the National Destination Code(NDC):623 page list. Its detail is as below.
Area code 623 was first put in service March 1, 1999. Currently, the largest city it serves is Phoenix, AZ, and it overlaps coverage areas with area code .
Prefix State Primary city Usage Carrier
(623) 201- Arizona Phoenix Landline Xo Arizona
(623) 202- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 203- Arizona Phoenix Wireless New Cingular Wireless PCS
(623) 204- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 205- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 206- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 207- Arizona Phoenix Landline Qwest Corporation
(623) 208- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 209- Arizona Phoenix Landline Eschelon Telecom Of Arizona
(623) 210- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 212- Arizona Phoenix Wireless American Messaging Services
(623) 214- Arizona Surprise Landline Qwest Corporation
(623) 215- Arizona Phoenix Landline Mcleodusa Telecommunications Services- Az
(623) 217- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 218- Arizona Phoenix Landline Allegiance Telecom Of Arizona
(623) 221- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 222- Arizona Phoenix Landline Qwest Corporation
(623) 223- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 224- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 225- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 229- Arizona Phoenix Wireless New Cingular Wireless PCS
(623) 234- Arizona Phoenix Landline Qwest Corporation
(623) 236- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 237- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 238- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 239- Arizona Phoenix Wireless T-mobile Usa
(623) 240- Arizona Phoenix Landline Xo Arizona
(623) 241- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 242- Arizona Phoenix Landline Level 3 Communications
(623) 243- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 245- Arizona Phoenix Landline Qwest Corporation
(623) 247- Arizona Phoenix Landline Qwest Corporation
(623) 249- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 251- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 252- Arizona Phoenix Landline Level 3 Communications
(623) 255- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 256- Arizona Phoenix Landline Cox Arizona Telcom
(623) 258- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 261- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 262- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 266- Arizona Phoenix Landline Cox Arizona Telcom
(623) 271- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 277- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 282- Arizona Phoenix Landline Mcimetro Access Transmission Services LLC
(623) 293- Arizona Phoenix Landline AT&T Local
(623) 295- Arizona Phoenix Landline Bandwidth.com Clec
(623) 297- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 298- Arizona Phoenix Landline Xo Arizona
(623) 299- Arizona Phoenix Landline Mcimetro Access Transmission Services LLC
(623) 302- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 308- Arizona Phoenix Landline Teleport Communications America
(623) 312- Arizona Phoenix Landline Cox Arizona Telcom
(623) 313- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 321- Arizona Phoenix Landline Pac - West Telecomm
(623) 322- Arizona Chandler Landline Cox Arizona Telcom
(623) 326- Arizona Phoenix Wireless T-mobile Usa
(623) 327- Arizona Buckeye Landline Qwest Corporation
(623) 328- Arizona Arlington Landline Qwest Corporation
(623) 329- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 330- Arizona Phoenix Wireless T-mobile Usa
(623) 332- Arizona Phoenix Wireless T-mobile Usa
(623) 333- Arizona Phoenix Landline Qwest Corporation
(623) 334- Arizona Glendale Landline Qwest Corporation
(623) 335- Arizona Phoenix Landline Bandwidth.com Clec
(623) 336- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 337- Arizona Phoenix Landline Teleport Communications America
(623) 340- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 341- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 344- Arizona Scottsdale Landline Electric Lightwave DBA Integra Telecom
(623) 349- Arizona Scottsdale Landline Electric Lightwave DBA Integra Telecom
(623) 362- Arizona Peoria Landline Qwest Corporation
(623) 363- Arizona Phoenix Wireless New Cingular Wireless PCS
(623) 374- Arizona Black Canyon City Landline Qwest Corporation
(623) 376- Arizona Peoria Landline Qwest Corporation
(623) 377- Arizona Phoenix Wireless Cellco Partnership DBA Verizon Wireless
(623) 383- Arizona Phoenix Wireless Xo Arizona
(623) 385- Arizona Phoenix Landline Tw Telecom Of Arizona LLC
(623) 386- Arizona Arlington Landline Qwest Corporation
(623) 387- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 388- Arizona Circle City Landline Qwest Corporation
(623) 393- Arizona Arlington Landline Qwest Corporation
(623) 396- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 398- Arizona Phoenix Landline Xo Arizona
(623) 399- Arizona Phoenix Landline T-mobile Usa
(623) 412- Arizona Glendale Landline Qwest Corporation
(623) 414- Arizona Phoenix Landline Electric Lightwave DBA Integra Telecom
(623) 418- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 419- Arizona Phoenix Wireless Leap Wireless Intl DBA Cricket Comm
(623) 428- Arizona Phoenix Landline Bandwidth.com Clec
(623) 432- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 433- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 434- Arizona Phoenix Landline Qwest Corporation
(623) 435- Arizona Phoenix Landline Qwest Corporation
(623) 444- Arizona Phoenix Landline Teleport Communications America
(623) 445- Arizona Phoenix Landline Qwest Corporation
(623) 451- Arizona Phoenix Wireless Sprint Spectrum L.p.
(623) 455- Arizona Phoenix Landline Level 3 Communications
(623) 463- Arizona Phoenix Landline Qwest Corporation
(623) 465- Arizona Phoenix Landline Qwest Corporation
(623) 466- Arizona Phoenix Landline Cox Arizona Telcom