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Area Code 815

 

Illinois area code 815 has been in service since 1947. It has 597 landlines and 128 wireless prefixes (exchanges) serviced by 58 carriers. It covers 27 counties, 834 ZIP codes, and 221 cities, including Rockford, Joliet, Plainfield, Crystal Lake, McHenry, Kankakee, Freeport, DeKalb, and New Lenox.

State:
Illinois
Time Zone:
Central (9:05 pm)

Area Code (815) has 725 prefixes

Prefix County City Company/Carrier Line Type
(815) 204- Stephenson Freeport Usa Mobility Wireless, Inc. Cell Phone
(815) 206- McHenry Woodstock Ameritech Illinois Landline
(815) 207- Will Joliet At&t Local Landline
(815) 208- Whiteside Fulton Sprint Communications Compa... Landline
(815) 209- Winnebago Rockford Level 3 Communications, Llc... Landline
(815) 210- Will Plainfield New Cingular Wireless Pcs,... Cell Phone
(815) 212- McHenry Crystal Lake T-mobile Usa, Inc. Cell Phone
(815) 213- Lee Sublette United States Cellular Corp... Landline
(815) 214- Kankakee Bradley Rcn Telecom Services Of Ill... Landline
(815) 215- Will New Lenox Globalcom, Inc.-il Landline
(815) 216- Cook Schaumburg Cellco Partnership Dba Veri... Cell Phone
(815) 217- Dekalb Dekalb Digital Network Access Comm... Landline
(815) 218- Winnebago Rockford Cellco Partnership Dba Veri... Cell Phone
(815) 219- McHenry Lake In The Hills United States Cellular Corp... Landline
(815) 220- La Salle Peru Ameritech Illinois Landline
(815) 221- Will Romeoville Teleport Communications Gro... Landline
(815) 222- Winnebago Rockford Cellco Partnership Dba Veri... Cell Phone
(815) 223- La Salle Peru Ameritech Illinois Landline
(815) 224- La Salle Peru Ameritech Illinois Landline
(815) 225- Carroll Milledgeville Citizens Telecom Co Illinoi... Landline
(815) 226- Winnebago Rockford Ameritech Illinois Landline
(815) 227- Winnebago Rockford Ameritech Illinois Landline
(815) 228- La Salle Peru New Cingular Wireless Pcs,... Cell Phone
(815) 229- Winnebago Rockford Ameritech Illinois Landline
(815) 230- Will Plainfield Broadwing Communications, L... Landline
(815) 231- Winnebago Rockford Ameritech Illinois Landline
(815) 232- Stephenson Freeport Frontier North, Inc. - Il Landline
(815) 233- Stephenson Freeport Frontier North, Inc. - Il Landline
(815) 234- Ogle Byron Frontier North, Inc. - Il Landline
(815) 235- Stephenson Freeport Frontier North, Inc. - Il Landline
(815) 236- McHenry McHenry New Cingular Wireless Pcs,... Cell Phone
(815) 237- Grundy Gardner Ameritech Illinois Landline
(815) 238- Stephenson Freeport Cellco Partnership Dba Veri... Cell Phone
(815) 239- Winnebago Pecatonica Frontier North, Inc. - Il Landline
(815) 241- Winnebago Rockford American Messaging (am), Inc. Landline
(815) 242- Will New Lenox Usa Mobility Wireless, Inc. Cell Phone
(815) 243- Winnebago Rockford United States Cellular Corp... Landline
(815) 244- Carroll Mount Carroll Gallatin River Communicatio... Landline
(815) 245- McHenry McHenry New Cingular Wireless Pcs,... Cell Phone
(815) 246- La Salle Earlville Frontier North, Inc. - Il Landline
(815) 247- Winnebago Pecatonica Frontier North, Inc. - Il Landline
(815) 248- Stephenson Davis Frontier North, Inc. - Il Landline
(815) 249- La Salle Grand Ridge Frontier North, Inc. - Il Landline
(815) 250- La Salle La Salle Comcast Phone Of Illinois,... Landline
(815) 251- Lee Dixon Gallatin River Communicatio... Landline
(815) 252- La Salle Peru New Cingular Wireless Pcs,... Cell Phone
(815) 253- Ford Kempton Frontier Communications Of... Landline
(815) 254- Will Plainfield Ameritech Illinois Landline
(815) 255- Dupage Lisle Us Xchange Of Illinois Llc... Landline
(815) 256- Kankakee Cabery Stelle Telephone Co. Landline
(815) 257- La Salle Peru Illinois Valley Cellular Rs... Landline
(815) 258- Kankakee Grant Park New Cingular Wireless Pcs,... Cell Phone
(815) 259- Carroll Thomson Gallatin River Communicatio... Landline
(815) 260- McHenry Crystal Lake United States Cellular Corp... Landline
(815) 261- McHenry Crystal Lake Mci Worldcom Communications... Landline
(815) 262- Winnebago Rockford Cellco Partnership Dba Veri... Cell Phone
(815) 263- Will Joliet Cellco Partnership Dba Veri... Cell Phone
(815) 264- Dekalb Waterman Frontier North, Inc. - Il Landline
(815) 265- Iroquois Gilman Ameritech Illinois Landline
(815) 266- Stephenson Freeport Frontier North, Inc. - Il Landline
(815) 267- Will Plainfield Mci Worldcom Communications... Landline
(815) 268- Iroquois Onarga Ameritech Illinois Landline
(815) 269- Iroquois Danforth Frontier Communications Of... Landline
(815) 270- Winnebago Roscoe Charter Fiberlink - Illinoi... Landline
(815) 271- McHenry McHenry Mci Worldcom Communications... Landline
(815) 272- Will Joliet Mci Worldcom Communications... Landline
(815) 273- Carroll Savanna Gallatin River Communicatio... Landline
(815) 274- Kendall Oswego New Cingular Wireless Pcs,... Cell Phone
(815) 275- Stephenson Freeport Cellco Partnership Dba Veri... Cell Phone
(815) 276- McHenry McHenry Teleport Communications Gro... Landline
(815) 277- Will Frankfort Teleport Communications Gro... Landline
(815) 280- Will Joliet Teleport Communications Gro... Landline
(815) 281- Carroll Savanna United States Cellular Corp... Landline
(815) 282- Winnebago Rockford Ameritech Illinois Landline
(815) 283- Vermilion Hoopeston Mediacom Telephony Of Illin... Landline
(815) 284- Lee Dixon Gallatin River Communicatio... Landline
(815) 285- Lee Dixon Gallatin River Communicatio... Landline
(815) 286- Dekalb Hinckley Frontier North, Inc. - Il Landline
(815) 287- Grundy Verona Ameritech Illinois Landline
(815) 288- Lee Dixon Gallatin River Communicatio... Landline
(815) 289- Winnebago Rockford United States Cellular Corp... Landline
(815) 290- La Salle Ottawa Sbc Internet Services, Inc. Landline
(815) 291- Stephenson Freeport United States Cellular Corp... Landline
(815) 292- Boone Poplar Grove Bergen Telephone Co. - Illi... Landline
(815) 293- Will Romeoville Ameritech Illinois Landline
(815) 294- Kankakee Kankakee Usa Mobility Wireless, Inc. Cell Phone
(815) 295- Cook Chicago T-mobile Usa, Inc. Cell Phone
(815) 296- Will Romeoville Usa Mobility Wireless, Inc. Cell Phone
(815) 297- Stephenson Freeport Frontier North, Inc. - Il Landline
(815) 298- Winnebago Rockford Cellco Partnership Dba Veri... Cell Phone
(815) 299- Winnebago Rockford United States Cellular Corp... Landline
(815) 301- Will Homer Glen Broadwing Communications, L... Landline
(815) 302- Will Joliet Sprint Spectrum L.p. Cell Phone
(815) 303- Bureau Princeton Illinois Valley Cellular Rs... Landline
(815) 304- Kankakee Kankakee Broadwing Communications, L... Landline
(815) 305- Grundy Braceville Broadwing Communications, L... Landline
(815) 306- Will Lockport Broadwing Communications, L... Landline
(815) 307- McHenry McHenry Broadwing Communications, L... Landline
(815) 308- McHenry Woodstock Broadwing Communications, L... Landline
(815) 310- McHenry Crystal Lake Broadwing Communications, L... Landline

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