Illinois Phone Prefixes in 815-7XX Area Code
Phone Prefixes in the 815-7XX Area Code
| Prefix | Usage | Primary City |
|---|---|---|
| (815) 789 | Landline | Orangeville |
| (815) 794 | Landline | Marseilles |
| (815) 713 | Landline | Rockford |
| (815) 742 | Wireless | Rockford |
| (815) 763 | Wireless | Rockford |
| (815) 777 | Landline | Galena |
| (815) 795 | Landline | Marseilles |
| (815) 712 | Wireless | Harvard |
| (815) 738 | Landline | Leaf River |
| (815) 774 | Landline | Joliet |
| (815) 710 | Landline | Morris |
| (815) 782 | Landline | Plainfield |
| (815) 709 | Landline | Coal City |
| (815) 701 | Landline | Woodstock |
| (815) 792 | Landline | Harding |
| (815) 747 | Landline | East Dubuque |
| (815) 776 | Landline | Galena |
| (815) 766 | Wireless | Dekalb |
| (815) 773 | Landline | Joliet |
| (815) 722 | Landline | Joliet |
| (815) 787 | Landline | Dekalb |
| (815) 781 | Landline | Chebanse |
| (815) 740 | Landline | Joliet |
| (815) 796 | Landline | Flanagan |
| (815) 743 | Landline | Graymont |
| (815) 754 | Landline | Dekalb |
| (815) 799 | Landline | Sterling |
| (815) 764 | Wireless | Dekalb |
| (815) 729 | Landline | Joliet |
| (815) 755 | Wireless | Dekalb |
| (815) 771 | Landline | Ashkum |
| (815) 735 | Wireless | Joliet |
| (815) 758 | Landline | Dekalb |
| (815) 753 | Landline | Dekalb |
| (815) 734 | Landline | Mt Morris |
| (815) 746 | Landline | Marseilles |
| (815) 736 | Landline | Lisbon |
| (815) 786 | Landline | Sandwich |
| (815) 749 | Wireless | Rockford |
| (815) 707 | Landline | Gilman |
| (815) 741 | Landline | Joliet |
| (815) 762 | Wireless | Dekalb |
| (815) 718 | Wireless | Sterling |
| (815) 790 | Wireless | Woodstock |
| (815) 750 | Landline | Marseilles |
| (815) 759 | Landline | Mchenry |
| (815) 733 | Landline | Plainfield |
| (815) 727 | Landline | Joliet |
| Prefix | Usage | Primary City |
|---|---|---|
| (815) 720 | Landline | Rockford |
| (815) 730 | Landline | Joliet |
| (815) 716 | Wireless | Sterling |
| (815) 728 | Landline | Wonder Lake |
| (815) 756 | Landline | Dekalb |
| (815) 798 | Landline | Milledgeville |
| (815) 784 | Landline | Genoa |
| (815) 725 | Landline | Joliet |
| (815) 732 | Landline | Oregon |
| (815) 772 | Landline | Morrison |
| (815) 717 | Landline | New Lenox |
| (815) 704 | Landline | Beloit |
| (815) 706 | Landline | Lyndon |
| (815) 702 | Landline | Saunemin |
| (815) 791 | Wireless | Joliet |
| (815) 726 | Landline | Joliet |
| (815) 723 | Landline | Joliet |
| (815) 793 | Wireless | Dekalb |
| (815) 715 | Wireless | Joliet |
| (815) 703 | Wireless | Rockford |
| (815) 769 | Landline | Seneca |
| (815) 724 | Landline | Joliet |
| (815) 752 | Landline | Dekalb |
| (815) 721 | Landline | Rockford |
| (815) 748 | Landline | Dekalb |
| (815) 751 | Wireless | Dekalb |
| (815) 745 | Landline | Warren |
| (815) 785 | Landline | Watseka |
| (815) 737 | Landline | Capron |
| (815) 708 | Landline | Rockford |
| (815) 778 | Landline | Lyndon |
| (815) 731 | Landline | Plainfield |
| (815) 797 | Landline | Somonauk |
| (815) 761 | Wireless | Dekalb |
| (815) 768 | Wireless | Joliet |
| (815) 770 | Landline | Harvard |
| (815) 767 | Wireless | La Grange Park |
| (815) 705 | Landline | Morris |
| (815) 739 | Wireless | Sycamore |
| (815) 775 | Wireless | Woodstock |
| (815) 744 | Landline | Joliet |
| (815) 719 | Wireless | Princeton |
| (815) 788 | Landline | Crystal Lake |
| (815) 780 | Landline | La Salle |
| (815) 714 | Landline | Joliet |
| (815) 765 | Landline | Poplar Grove |
| (815) 783 | Landline | Gilman |
| (815) 757 | Wireless | Dekalb |
| (815) 760 | Wireless | Hennepin |
More 8XX Area Codes Phone Numbers
