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Primary City:Chicago

This is the Primary City:Chicago page list. Its detail is as below.
Prefix State Usage Carrier Name
(217) 300- Illinois Landline Mcleodusa Telecommunications Services- Il
(224) 220- Illinois Wireless Sprint Spectrum L.p.
(224) 388- Illinois Wireless T-mobile Usa
(224) 425- Illinois Wireless T-mobile Usa
(224) 534- Illinois Landline Paetec Communications
(312) 201- Illinois Landline Ameritech Illinois
(312) 202- Illinois Landline Ameritech Illinois
(312) 203- Illinois Wireless New Cingular Wireless PCS
(312) 204- Illinois Landline Ameritech Illinois
(312) 205- Illinois Landline Allegiance Telecom
(312) 206- Illinois Wireless New Cingular Wireless PCS
(312) 207- Illinois Landline Ameritech Illinois
(312) 208- Illinois Wireless New Cingular Wireless PCS
(312) 212- Illinois Landline Ameritech Illinois
(312) 213- Illinois Wireless New Cingular Wireless PCS
(312) 214- Illinois Landline Ameritech Illinois
(312) 216- Illinois Landline First Communications LLC
(312) 217- Illinois Wireless United States Cellular Corp. - Illinois
(312) 218- Illinois Wireless New Cingular Wireless PCS
(312) 219- Illinois Wireless Bandwidth.com Clec
(312) 220- Illinois Landline Ameritech Illinois
(312) 221- Illinois Wireless Sprint Spectrum L.p.
(312) 222- Illinois Landline Ameritech Illinois
(312) 223- Illinois Landline Ameritech Illinois
(312) 224- Illinois Landline Broadwing Communications
(312) 225- Illinois Landline Ameritech Illinois
(312) 226- Illinois Landline Ameritech Illinois
(312) 227- Illinois Landline Ameritech Illinois
(312) 228- Illinois Landline Ameritech Illinois
(312) 229- Illinois Landline Ameritech Illinois
(312) 230- Illinois Landline Ameritech Illinois
(312) 232- Illinois Wireless American Messaging (am)
(312) 233- Illinois Landline Ameritech Illinois
(312) 234- Illinois Landline Ameritech Illinois
(312) 235- Illinois Landline Ameritech Illinois
(312) 236- Illinois Landline Ameritech Illinois
(312) 237- Illinois Wireless Cellco Partnership DBA Verizon Wireless
(312) 238- Illinois Landline Broadwing Communications
(312) 239- Illinois Landline AT&T Local
(312) 240- Illinois Landline Ameritech Illinois
(312) 241- Illinois Wireless New Cingular Wireless PCS
(312) 242- Illinois Landline Teleport Communications America
(312) 243- Illinois Landline Ameritech Illinois
(312) 244- Illinois Landline Ameritech Illinois
(312) 245- Illinois Landline Ameritech Illinois
(312) 247- Illinois Landline First Communications LLC
(312) 249- Illinois Wireless Usa Mobility Wireless
(312) 250- Illinois Wireless Usa Mobility Wireless
(312) 251- Illinois Landline Ameritech Illinois
(312) 252- Illinois Landline Allegiance Telecom