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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) 402- Illinois Galena Landline Level 3 Communications
(815) 403- Illinois Mchenry Wireless Sprint Spectrum L.p.
(815) 404- Illinois Crystal Lake Wireless Sprint Spectrum L.p.
(815) 405- Illinois Joliet Wireless Sprint Spectrum L.p.
(815) 406- Illinois Byron Landline Frontier North
(815) 407- Illinois Romeoville Landline Ameritech Illinois
(815) 408- Illinois Utica Landline First Communications LLC
(815) 409- Illinois Joliet Wireless Cellco Partnership DBA Verizon Wireless
(815) 410- Illinois La Salle Landline Level 3 Communications
(815) 412- Illinois Frankfort Landline Broadwing Communications
(815) 413- Illinois Morris Landline First Communications LLC
(815) 414- Illinois Earlville Wireless New Cingular Wireless PCS
(815) 415- Illinois Seneca Landline Ameritech Illinois
(815) 416- Illinois Morris Landline Ameritech Illinois
(815) 417- Illinois Braidwood Landline Ameritech Illinois
(815) 418- Illinois Manhattan Landline First Communications LLC
(815) 419- Illinois Pontiac Landline AT&T Local
(815) 420- Illinois Malta Landline Essex Telcom
(815) 421- Illinois Herscher Landline Ameritech Illinois
(815) 422- Illinois St Anne Landline Ameritech Illinois
(815) 423- Illinois Elwood Landline Ameritech Illinois
(815) 424- Illinois Elwood Landline Ameritech Illinois
(815) 425- Illinois Crystal Lake Landline Broadwing Communications
(815) 426- Illinois Herscher Landline Ameritech Illinois
(815) 427- Illinois St Anne Landline Ameritech Illinois
(815) 428- Illinois Martinton Landline Frontier North
(815) 429- Illinois Sheldon Landline Frontier North
(815) 430- Illinois Mchenry Landline First Communications LLC
(815) 431- Illinois Ottawa Landline Ameritech Illinois
(815) 432- Illinois Watseka Landline Ameritech Illinois
(815) 433- Illinois Ottawa Landline Ameritech Illinois
(815) 434- Illinois Ottawa Landline Ameritech Illinois
(815) 435- Illinois Beaverville Landline Frontier North
(815) 436- Illinois Plainfield Landline Ameritech Illinois
(815) 437- Illinois Putnam Landline Frontier North
(815) 438- Illinois Tampico Landline Citizens Telecom Co Illinois-frontier Citizens -il
(815) 439- Illinois Plainfield Landline Ameritech Illinois
(815) 440- Illinois Dixon Wireless Cellco Partnership DBA Verizon Wireless
(815) 441- Illinois Sterling Wireless Cellco Partnership DBA Verizon Wireless
(815) 442- Illinois Tonica Landline Tonica Telephone Co.
(815) 443- Illinois Pearl City Landline Frontier North
(815) 444- Illinois Crystal Lake Landline Ameritech Illinois
(815) 445- Illinois Sheffield Landline Frontier North
(815) 446- Illinois Oglesby Landline Frontier North
(815) 447- Illinois Spring Valley Landline Frontier Communications Of Depue
(815) 448- Illinois Mazon Landline Ameritech Illinois
(815) 449- Illinois Dakota Landline Frontier North
(815) 450- Illinois Momence Wireless New Cingular Wireless PCS
(815) 451- Illinois Woodstock Wireless New Cingular Wireless PCS
(815) 452- Illinois Toluca Landline Frontier North
(815) 453- Illinois Ashton Landline Frontier North
(815) 454- Illinois Sheffield Landline Frontier North
(815) 455- Illinois Crystal Lake Landline Ameritech Illinois
(815) 456- Illinois Franklin Grove Landline Frontier North
(815) 457- Illinois Cissna Park Landline Frontier Communications Of The Carolinas, Inc
(815) 458- Illinois Braidwood Landline Ameritech Illinois
(815) 459- Illinois Crystal Lake Landline Ameritech Illinois
(815) 460- Illinois Joliet Landline First Communications LLC
(815) 461- Illinois Lockport Landline Broadwing Communications
(815) 462- Illinois New Lenox Landline Ameritech Illinois
(815) 463- Illinois New Lenox Landline Ameritech Illinois
(815) 464- Illinois Frankfort Landline Ameritech Illinois
(815) 465- Illinois Grant Park Landline Ameritech Illinois
(815) 466- Illinois Grant Park Landline Ameritech Illinois
(815) 467- Illinois Minooka Landline Ameritech Illinois
(815) 468- Illinois Manteno Landline Ameritech Illinois
(815) 469- Illinois Frankfort Landline Ameritech Illinois
(815) 470- Illinois Rockford Landline Ameritech Illinois
(815) 471- Illinois Watseka Wireless Illinois Valley Cellular Rsa 2-i Partnership
(815) 472- Illinois Momence Landline Ameritech Illinois
(815) 473- Illinois Watseka Landline Frontier Communications Of The Carolinas, Inc
(815) 474- Illinois Joliet Wireless New Cingular Wireless PCS
(815) 475- Illinois Yorkville Landline Ameritech Illinois
(815) 476- Illinois Wilmington Landline Ameritech Illinois
(815) 477- Illinois Crystal Lake Landline Ameritech Illinois
(815) 478- Illinois Manhattan Landline Ameritech Illinois
(815) 479- Illinois Crystal Lake Landline Ameritech Illinois
(815) 480- Illinois Rockford Wireless Usa Mobility Wireless
(815) 481- Illinois La Grange Park Wireless Illinois Valley Cellular Rsa 2-i Partnership
(815) 482- Illinois Woodstock Wireless Sprint Spectrum L.p.
(815) 483- Illinois Joliet Wireless Sprint Spectrum L.p.
(815) 484- Illinois Rockford Landline Ameritech Illinois
(815) 485- Illinois New Lenox Landline Ameritech Illinois
(815) 486- Illinois Donovan Landline Frontier North
(815) 487- Illinois Plainfield Landline First Communications LLC
(815) 488- Illinois La Grange Park Wireless Illinois Valley Cellular Rsa 2-i Partnership
(815) 489- Illinois Rockford Landline Ameritech Illinois
(815) 490- Illinois Rockford Landline Ameritech Illinois
(815) 491- Illinois Rockford Wireless 365 Wireless
(815) 492- Illinois Apple River Landline Frontier North
(815) 493- Illinois Lanark Landline Citizens Telecom Co Illinois-frontier Citizens -il
(815) 494- Illinois Rockford Wireless United States Cellular Corp. - Illinois
(815) 495- Illinois Leland Landline Frontier North
(815) 496- Illinois Sheridan Landline Frontier North
(815) 497- Illinois Compton Landline Frontier North
(815) 498- Illinois Somonauk Landline Frontier North
(815) 499- Illinois Sterling Wireless United States Cellular Corp. - Illinois
(815) 500- Illinois Marseilles Landline Sprint Communications Company, L.p.
(815) 501- Illinois Dekalb Wireless Sprint Spectrum L.p.
(815) 502- Illinois Woodstock Landline First Communications LLC