You are here

Home

NDC: 815

This is the National Destination Code(NDC):815 page list. Its detail is as below.
Area code 815 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served northern Illinois except Chicago and Quad Cities. In 2007, area code 779 was created as an overlay to area code 815. Currently, the largest city it serves is Rockford, IL, and it overlaps coverage areas with area code 779.
Prefix State Primary city Usage Carrier
(815) 301- Illinois Crystal Lake Landline Broadwing Communications
(815) 302- Illinois Joliet Wireless Sprint Spectrum L.p.
(815) 303- Illinois Princeton Wireless Illinois Valley Cellular Rsa 2-i Partnership
(815) 304- Illinois Kankakee Landline Broadwing Communications
(815) 305- Illinois Gardner Landline Broadwing Communications
(815) 306- Illinois Lockport Landline Broadwing Communications
(815) 307- Illinois Mchenry Landline Broadwing Communications
(815) 308- Illinois Woodstock Landline Broadwing Communications
(815) 309- Illinois Shannon Landline Aero North Communications
(815) 310- Illinois Utica Landline Broadwing Communications
(815) 312- Illinois Rockford Landline Ymax Communications Corp.
(815) 313- Illinois Ottawa Landline Broadwing Communications
(815) 314- Illinois Manhattan Landline Broadwing Communications
(815) 315- Illinois Rockford Landline Level 3 Communications
(815) 316- Illinois Rockford Landline Tds Metrocom Inc.-il
(815) 317- Illinois Crescent City Landline Broadwing Communications
(815) 318- Illinois Morris Landline Broadwing Communications
(815) 319- Illinois Rockford Wireless United States Cellular Corp. - Illinois
(815) 320- Illinois Kankakee Wireless Peerless Network Of Illinois
(815) 321- Illinois Woodstock Landline Xo Illinois
(815) 322- Illinois Mchenry Landline Level 3 Communications
(815) 323- Illinois Belvidere Landline Level 3 Communications
(815) 324- Illinois Ottawa Landline Mediacom Telephony Of Illinois
(815) 325- Illinois Joliet Wireless New Cingular Wireless PCS
(815) 326- Illinois Oglesby Wireless New Cingular Wireless PCS
(815) 327- Illinois Plainfield Landline Broadwing Communications
(815) 328- Illinois Lockport Landline Broadwing Communications
(815) 329- Illinois Rockford Landline Sbc Internet Services
(815) 330- Illinois Crescent City Landline First Communications LLC
(815) 331- Illinois Mchenry Landline Broadwing Communications
(815) 332- Illinois Cherry Valley Landline Frontier North
(815) 333- Illinois Woodstock Landline Broadwing Communications
(815) 334- Illinois Woodstock Landline Ameritech Illinois
(815) 335- Illinois Winnebago Landline Frontier North
(815) 336- Illinois Milledgeville Landline Citizens Telecom Co Illinois-frontier Citizens -il
(815) 337- Illinois Woodstock Landline Ameritech Illinois
(815) 338- Illinois Woodstock Landline Ameritech Illinois
(815) 339- Illinois Granville Landline Frontier North
(815) 340- Illinois La Moille Landline Comcast Phone Of Illinois DBA Comco
(815) 341- Illinois Joliet Wireless New Cingular Wireless PCS
(815) 342- Illinois Joliet Wireless New Cingular Wireless PCS
(815) 343- Illinois Oglesby Wireless New Cingular Wireless PCS
(815) 344- Illinois Mchenry Landline Ameritech Illinois
(815) 345- Illinois Woodstock Landline Level 3 Communications
(815) 346- Illinois Gardner Landline Broadwing Communications
(815) 347- Illinois Woodstock Wireless Cellco Partnership DBA Verizon Wireless
(815) 348- Illinois Kankakee Landline Us Xchange Of Illinois LLC DBA Choice One Comm Il
(815) 349- Illinois Mchenry Landline Xo Illinois
(815) 350- Illinois Franklin Grove Landline Essex Telcom
(815) 351- Illinois Kankakee Wireless Cellco Partnership DBA Verizon Wireless
(815) 352- Illinois Kankakee Landline Broadwing Communications
(815) 353- Illinois Woodstock Wireless Cellco Partnership DBA Verizon Wireless
(815) 354- Illinois Woodstock Wireless Cellco Partnership DBA Verizon Wireless
(815) 355- Illinois Woodstock Wireless Cellco Partnership DBA Verizon Wireless
(815) 356- Illinois Crystal Lake Landline Ameritech Illinois
(815) 357- Illinois Seneca Landline Ameritech Illinois
(815) 358- Illinois Cornell Landline C-r Telephone Co.
(815) 359- Illinois Harmon Landline Gallatin River Communications DBA Centurylink
(815) 360- Illinois Sublette Landline Essex Telcom
(815) 361- Illinois Manhattan Landline Broadwing Communications
(815) 362- Illinois German Valley Landline Frontier North
(815) 363- Illinois Mchenry Landline Ameritech Illinois
(815) 364- Illinois Morris Landline Broadwing Communications
(815) 365- Illinois Reddick Landline Frontier North
(815) 366- Illinois Ottawa Landline Broadwing Communications
(815) 367- Illinois Winslow Landline Frontier North
(815) 368- Illinois Lostant Landline Frontier North
(815) 369- Illinois Lena Landline Frontier North
(815) 370- Illinois Kankakee Wireless Cellco Partnership DBA Verizon Wireless
(815) 371- Illinois Utica Landline Broadwing Communications
(815) 372- Illinois Romeoville Landline Ameritech Illinois
(815) 373- Illinois Elwood Landline Us Xchange Of Illinois LLC DBA Choice One Comm Il
(815) 374- Illinois Dwight Landline Us Xchange Of Illinois LLC DBA Choice One Comm Il
(815) 375- Illinois Dekalb Wireless United States Cellular Corp. - Illinois
(815) 376- Illinois Ohio Landline Frontier North
(815) 377- Illinois Crescent City Landline Broadwing Communications
(815) 378- Illinois Rockford Wireless Sprint Spectrum L.p.
(815) 379- Illinois Walnut Landline Frontier North
(815) 380- Illinois Sterling Landline Essex Telcom
(815) 381- Illinois Rockford Landline Ameritech Illinois
(815) 382- Illinois Woodstock Wireless New Cingular Wireless PCS
(815) 383- Illinois Crescent City Wireless New Cingular Wireless PCS
(815) 384- Illinois Malta Landline Frontier North
(815) 385- Illinois Mchenry Landline Ameritech Illinois
(815) 386- Illinois Kankakee Wireless Cellco Partnership DBA Verizon Wireless
(815) 387- Illinois Rockford Landline Ameritech Illinois
(815) 388- Illinois Mchenry Landline Sprint Spectrum L.p.
(815) 389- Illinois Beloit Landline Ameritech Illinois
(815) 390- Illinois Braidwood Landline Comcast Phone Of Illinois DBA Comco
(815) 391- Illinois Rockford Landline Ameritech Illinois
(815) 392- Illinois Kinsman Landline Kinsman Mutual Telephone Company
(815) 393- Illinois Monroe Center Landline Frontier North
(815) 394- Illinois Rockford Landline Ameritech Illinois
(815) 395- Illinois Rockford Landline Ameritech Illinois
(815) 396- Illinois Steward Landline Frontier North
(815) 397- Illinois Rockford Landline Ameritech Illinois
(815) 398- Illinois Rockford Landline Ameritech Illinois
(815) 399- Illinois Rockford Landline Ameritech Illinois
(815) 400- Illinois Morrison Landline Mediacom Telephony Of Illinois
(815) 401- Illinois Kankakee Landline Level 3 Communications