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NDC: 773

This is the National Destination Code(NDC):773 page list. Its detail is as below.
Area code 773 was first put in service October 12, 1996. To avoid exhausting all possible phone numbers in this area code, relief planning has begun. Currently, the largest city it serves is Chicago, IL, and it overlaps coverage areas with area code 872.
Prefix State Primary city Usage Carrier
(773) 201- Illinois Chicago Wireless Usa Mobility Wireless
(773) 202- Illinois Chicago Landline Ameritech Illinois
(773) 203- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 204- Illinois Chicago Wireless Usa Mobility Wireless
(773) 205- Illinois Chicago Landline Ameritech Illinois
(773) 206- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 207- Illinois Chicago Wireless Usa Mobility Wireless
(773) 208- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 209- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 210- Illinois Chicago Landline Ameritech Illinois
(773) 212- Illinois Chicago Wireless Usa Mobility Wireless
(773) 213- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 214- Illinois Chicago Wireless Usa Mobility Wireless
(773) 215- Illinois Chicago Wireless Usa Mobility Wireless
(773) 216- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 217- Illinois Chicago Landline Cricket Communications
(773) 218- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 219- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 220- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 221- Illinois Chicago Landline Ameritech Illinois
(773) 222- Illinois Chicago Wireless Usa Mobility Wireless
(773) 223- Illinois Chicago Wireless Usa Mobility Wireless
(773) 224- Illinois Chicago Landline Ameritech Illinois
(773) 225- Illinois Chicago Wireless T-mobile Usa
(773) 226- Illinois Chicago Wireless T-mobile Usa
(773) 227- Illinois Chicago Landline Ameritech Illinois
(773) 228- Illinois Chicago Wireless Usa Mobility Wireless
(773) 229- Illinois Summit Landline Ameritech Illinois
(773) 230- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 231- Illinois Chicago Wireless Level 3 Communications
(773) 232- Illinois Chicago Wireless Usa Mobility Wireless
(773) 233- Illinois Chicago Landline Ameritech Illinois
(773) 234- Illinois Chicago Wireless Bandwidth.com Clec
(773) 235- Illinois Chicago Landline Ameritech Illinois
(773) 236- Illinois Chicago Wireless T-mobile Usa
(773) 237- Illinois Chicago Landline Ameritech Illinois
(773) 238- Illinois Chicago Landline Ameritech Illinois
(773) 239- Illinois Chicago Landline Ameritech Illinois
(773) 240- Illinois Chicago Wireless T-mobile Usa
(773) 241- Illinois Chicago Landline Ameritech Illinois
(773) 242- Illinois Cicero Landline Ameritech Illinois
(773) 243- Illinois Wood Dale Landline Xo Illinois
(773) 244- Illinois Chicago Landline Ameritech Illinois
(773) 245- Illinois Chicago Landline Bandwidth.com Clec
(773) 246- Illinois Chicago Wireless Indiana Paging Ntwk
(773) 247- Illinois Chicago Landline Ameritech Illinois
(773) 248- Illinois Chicago Landline Ameritech Illinois
(773) 249- Illinois Chicago Landline Mcimetro Access Transmission Services LLC
(773) 250- Illinois Chicago Landline Mcimetro Access Transmission Services LLC
(773) 251- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 252- Illinois Chicago Landline Ameritech Illinois
(773) 253- Illinois Chicago Landline Teleport Communications America
(773) 254- Illinois Chicago Landline Ameritech Illinois
(773) 255- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 256- Illinois Chicago Landline Ameritech Illinois
(773) 257- Illinois Chicago Landline Ameritech Illinois
(773) 258- Illinois Chicago Wireless Usa Mobility Wireless
(773) 259- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 260- Illinois Chicago Landline Ameritech Illinois
(773) 261- Illinois Chicago Landline Ameritech Illinois
(773) 262- Illinois Chicago Landline Ameritech Illinois
(773) 263- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 264- Illinois Chicago Landline Ameritech Illinois
(773) 265- Illinois Chicago Landline Ameritech Illinois
(773) 266- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 267- Illinois Chicago Landline Ameritech Illinois
(773) 268- Illinois Chicago Landline Ameritech Illinois
(773) 269- Illinois Chicago Landline AT&T Local
(773) 270- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 271- Illinois Chicago Landline Ameritech Illinois
(773) 272- Illinois Chicago Landline Mcimetro Access Transmission Services LLC
(773) 273- Illinois Evanston Landline Ameritech Illinois
(773) 274- Illinois Chicago Landline Ameritech Illinois
(773) 275- Illinois Chicago Landline Ameritech Illinois
(773) 276- Illinois Chicago Landline Ameritech Illinois
(773) 277- Illinois Chicago Landline Ameritech Illinois
(773) 278- Illinois Chicago Landline Ameritech Illinois
(773) 279- Illinois Chicago Landline Ameritech Illinois
(773) 280- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 281- Illinois Chicago Landline Ameritech Illinois
(773) 282- Illinois Chicago Landline Ameritech Illinois
(773) 283- Illinois Chicago Landline Ameritech Illinois
(773) 284- Illinois Chicago Landline Ameritech Illinois
(773) 285- Illinois Chicago Landline Ameritech Illinois
(773) 286- Illinois Chicago Landline Ameritech Illinois
(773) 287- Illinois Chicago Landline Ameritech Illinois
(773) 288- Illinois Chicago Landline Ameritech Illinois
(773) 289- Illinois Chicago Landline Mcimetro Access Transmission Services LLC
(773) 290- Illinois Chicago Landline Broadwing Communications
(773) 291- Illinois Chicago Landline Ameritech Illinois
(773) 292- Illinois Chicago Landline Ameritech Illinois
(773) 293- Illinois Chicago Landline Ameritech Illinois
(773) 294- Illinois Chicago Wireless New Cingular Wireless PCS
(773) 295- Illinois Chicago Landline Mcimetro Access Transmission Services LLC
(773) 296- Illinois Chicago Landline Ameritech Illinois
(773) 297- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 298- Illinois Chicago Landline Ameritech Illinois
(773) 299- Illinois Chicago Landline Mcimetro Access Transmission Services LLC
(773) 301- Illinois Chicago Wireless Sprint Spectrum L.p.
(773) 302- Illinois Chicago Wireless Sprint Spectrum L.p.