Illinois Phone Prefixes in 312-7XX Area Code
Phone Prefixes in the 312-7XX Area Code
| Prefix | Usage | Primary City |
|---|---|---|
| (312) 738 | Landline | Chicago |
| (312) 757 | Landline | Chicago |
| (312) 756 | Landline | Chicago |
| (312) 768 | Landline | Chicago |
| (312) 780 | Landline | Chicago |
| (312) 758 | Wireless | Chicago |
| (312) 727 | Landline | Chicago |
| (312) 790 | Wireless | Chicago |
| (312) 746 | Landline | Chicago |
| (312) 725 | Landline | Chicago |
| (312) 717 | Wireless | La Grange Park |
| (312) 735 | Wireless | Chicago |
| (312) 759 | Landline | Chicago |
| (312) 754 | Landline | Chicago |
| (312) 724 | Landline | Chicago |
| (312) 791 | Landline | Chicago |
| (312) 797 | Landline | Chicago |
| (312) 701 | Landline | Chicago |
| (312) 740 | Wireless | Chicago |
| (312) 750 | Landline | Chicago |
| (312) 721 | Wireless | Chicago |
| (312) 772 | Wireless | Chicago |
| (312) 799 | Landline | Chicago |
| (312) 751 | Landline | Chicago |
| (312) 753 | Landline | Chicago |
| (312) 749 | Wireless | Hinsdale |
| (312) 781 | Landline | Chicago |
| (312) 794 | Landline | Chicago |
| (312) 731 | Landline | Chicago |
| (312) 739 | Landline | Chicago |
| (312) 710 | Landline | Chicago |
| (312) 762 | Landline | Chicago |
| (312) 704 | Landline | Chicago |
| (312) 719 | Wireless | Chicago |
| (312) 787 | Landline | Chicago |
| (312) 771 | Wireless | Chicago |
| (312) 730 | Landline | Chicago |
| (312) 718 | Wireless | Chicago |
| (312) 733 | Landline | Chicago |
| Prefix | Usage | Primary City |
|---|---|---|
| (312) 732 | Landline | Chicago |
| (312) 760 | Wireless | Chicago |
| (312) 745 | Landline | Chicago |
| (312) 777 | Landline | Chicago |
| (312) 747 | Landline | Chicago |
| (312) 784 | Landline | Chicago |
| (312) 763 | Unknown | |
| (312) 714 | Landline | Chicago |
| (312) 716 | Wireless | Chicago |
| (312) 775 | Landline | Chicago |
| (312) 755 | Landline | Chicago |
| (312) 795 | Landline | Chicago |
| (312) 789 | Landline | Chicago |
| (312) 715 | Landline | Chicago |
| (312) 743 | Landline | Chicago |
| (312) 720 | Wireless | Chicago |
| (312) 782 | Landline | Chicago |
| (312) 729 | Landline | Chicago |
| (312) 770 | Landline | Chicago |
| (312) 769 | Wireless | Chicago |
| (312) 765 | Landline | Chicago |
| (312) 793 | Landline | Chicago |
| (312) 788 | Landline | Chicago |
| (312) 703 | Wireless | Chicago |
| (312) 709 | Wireless | Chicago |
| (312) 748 | Wireless | Chicago |
| (312) 713 | Wireless | Chicago |
| (312) 712 | Landline | Chicago |
| (312) 726 | Landline | Chicago |
| (312) 705 | Landline | Chicago |
| (312) 786 | Landline | Chicago |
| (312) 737 | Landline | Chicago |
| (312) 752 | Landline | Chicago |
| (312) 742 | Landline | Chicago |
| (312) 706 | Landline | Chicago |
| (312) 702 | Landline | Chicago |
| (312) 774 | Wireless | Chicago |
| (312) 707 | Landline | Chicago |
| (312) 744 | Landline | Chicago |
| (312) 798 | Landline | Chicago |
More 3XX Area Codes Phone Numbers
