Area Code 423 is located in the state of Texas.
The Texas`s major city is Chattanooga
The state of Texas is in Eastern / Central timezone.
More important cities in Texas:
Bristol, TN; Chattanooga, TN; Cleveland, TN; East Ridge, TN; Johnson City, TN; Kingsport, TN; Morristown, TN;
Prefixes within the 423 Area Code what we have in our database.
| Prefix | Primary City | County | Usage |
| (423) 649 | Athens, TN | Mcminn | Landline |
| (423) 650 | Cleveland, TN | Bradley | Cell Number |
| (423) 652 | Bristol, TN | Sullivan | Landline |
| (423) 653 | Chattanooga, TN | Hamilton | Cell Number |
| (423) 655 | Chattanooga, TN | Hamilton | Landline |
| (423) 658 | Whitwell, TN | Sequatchie | Landline |
| (423) 662 | Blountville, TN | Sullivan | Landline |
| (423) 663 | Huntsville, TN | Scott | Landline |
| (423) 664 | Chattanooga, TN | Hamilton | Landline |
| (423) 665 | Charleston, TN | Bradley | Landline |
| (423) 667 | Chattanooga, TN | Hamilton | Cell Number |
| (423) 668 | Chattanooga, TN | Hamilton | Landline |
| (423) 671 | Cleveland, TN | Bradley | Landline |
| (423) 672 | Not filled | Not filled | Unknown |
| (423) 676 | Johnson City, TN | Washington | Cell Number |
| (423) 677 | Fall Branch, TN | Washington | Cell Number |
| (423) 683 | Elizabethton, TN | Carter | Landline |
| (423) 684 | Greeneville, TN | Greene | Landline |
| (423) 685 | Johnson City, TN | Washington | Landline |
| (423) 693 | Chattanooga, TN | Not filled | Unknown |
| (423) 695 | Erwin, TN | Unicoi | Landline |
| (423) 697 | Chattanooga, TN | Hamilton | Landline |
| (423) 698 | Chattanooga, TN | Hamilton | Landline |
| (423) 699 | Mountain City, TN | Johnson | Landline |
| (423) 702 | Chattanooga, TN | Not filled | Unknown |
| (423) 704 | Chattanooga, TN | Hamilton | Cell Number |
| (423) 707 | Elizabethton, TN | Hamblen | Landline |
| (423) 708 | Not filled | Meigs | Landline |
| (423) 709 | Cleveland, TN | Bradley | Landline |
| (423) 710 | Chattanooga, TN | Not filled | Unknown |
| (423) 714 | Morristown, TN | Hamblen | Landline |
| (423) 715 | Cleveld, TN | Bradley | Cell Number |
| (423) 716 | Cleveland, TN | Bradley | Landline |
| (423) 718 | Chattanooga, TN | Hamilton | Cell Number |
| (423) 721 | Newport, TN | Cocke | Cell Number |
| (423) 722 | Johnson City, TN | Washington | Landline |
| (423) 723 | Blountville, TN | Sullivan | Landline |
| (423) 724 | Sneedville, TN | Hancock | Landline |
| (423) 725 | Hampton, TN | Carter | Landline |
| (423) 726 | Kingsport, TN | Sullivan | Cell Number |
| (423) 727 | Mountain City, TN | Johnson | Landline |
| (423) 728 | Cleveland, TN | Bradley | Landline |
| (423) 730 | Riceville, TN | Not filled | Unknown |
| (423) 733 | Sneedville, TN | Hancock | Landline |
| (423) 735 | Erwin, TN | Unicoi | Landline |
| (423) 736 | Morristown, TN | Hamblen | Cell Number |
| (423) 737 | Johnson City, TN | Washington | Cell Number |
| (423) 739 | Shady Valley, TN | Johnson | Landline |
| (423) 741 | Johnson City, TN | Washington | Cell Number |
| (423) 742 | Bristol, TN | Sullivan | Cell Number |
| (423) 743 | Erwin, TN | Unicoi | Landline |
| (423) 744 | Athens, TN | Mcminn | Landline |
| (423) 745 | Athens, TN | Mcminn | Landline |
| (423) 746 | Athens, TN | Mcminn | Landline |
| (423) 747 | Johnson City, TN | Washington | Cell Number |
| (423) 748 | Morristown, TN | Hamblen | Cell Number |
| (423) 751 | Chattanooga, TN | Hamilton | Landline |
| (423) 752 | Chattanooga, TN | Hamilton | Landline |
| (423) 753 | Jonesboro, TN | Washington | Landline |
| (423) 754 | Rogersville, TN | Hawkins | Cell Number |
| (423) 755 | Chattanooga, TN | Hamilton | Landline |
| (423) 756 | Chattanooga, TN | Hamilton | Landline |
| (423) 757 | Chattanooga, TN | Hamilton | Landline |
| (423) 758 | Bristol, TN | Sullivan | Landline |
| (423) 760 | Chattanooga, TN | Hamilton | Cell Number |
| (423) 761 | Copperhill, TN | Sullivan | Landline |
| (423) 762 | Chattanooga, TN | Hamilton | Cell Number |
| (423) 763 | Chattanooga, TN | Hamilton | Landline |
| (423) 764 | Bristol, TN | Sullivan | Landline |
| (423) 765 | Kingsport, TN | Sullivan | Landline |
| (423) 767 | Johnson City, TN | Washington | Cell Number |
| (423) 768 | Butler, TN | Johnson | Landline |
| (423) 771 | Chattanooga, TN | Not filled | Unknown |
| (423) 772 | Roan Mountain, TN | Carter | Landline |
| (423) 773 | Johnson City, TN | Washington | Cell Number |
| (423) 774 | Soddy Daisy, TN | Hamilton | Cell Number |
| (423) 775 | Dayton, TN | Rhea | Landline |
| (423) 778 | Chattanooga, TN | Hamilton | Landline |
| (423) 779 | Chattanooga, TN | Hamilton | Landline |
| (423) 780 | Charleston, TN | Bradley | Landline |
| (423) 781 | Etowah, TN | Mcminn | Landline |
| (423) 782 | Kingsport, TN | Sullivan | Landline |
| (423) 783 | Greeneville, TN | Greene | Landline |
| (423) 784 | Jellico, TN | Campbell | Landline |
| (423) 785 | Chattanooga, TN | Hamilton | Landline |
| (423) 787 | Greeneville, TN | Greene | Landline |
| (423) 788 | Jonesboro, TN | Washington | Landline |
| (423) 789 | Blountville, TN | Sullivan | Landline |
| (423) 790 | Cleveld, TN | Not filled | Unknown |
| (423) 791 | Johnson City, TN | Washington | Cell Number |
| (423) 792 | Vonore, TN | Monroe | Landline |
| (423) 793 | Blountville, TN | Sullivan | Landline |
| (423) 794 | Johnson City, TN | Washington | Landline |
| (423) 795 | Johnson City, TN | Washington | Landline |
| (423) 797 | Bristol, TN | Sullivan | Cell Number |
| (423) 798 | Greeneville, TN | Greene | Landline |
| (423) 799 | Spring City, TN | Rhea | Landline |
| (423) 800 | Chattanooga, TN | Not filled | Unknown |
| (423) 801 | Cumberland Gap, TN | Not filled | Unknown |
| (423) 802 | Chattanooga, TN | Hamilton | Cell Number |
We have 600 Prefixes in our database.