376
- 37601 Johnson City
- 37604 Johnson City
- 37614 Johnson City
- 37615 Johnson City
- 37616 Afton
- 37617 Blountville
- 37618 Bluff City
- 37620 Bristol
- 37640 Butler
- 37641 Chuckey
- 37642 Church Hill
- 37643 Elizabethton
- 37645 Mount Carmel
- 37650 Erwin
- 37656 Fall Branch
- 37657 Flag Pond
- 37658 Hampton
- 37659 Jonesborough
- 37660 Kingsport
- 37663 Kingsport
- 37664 Kingsport
- 37665 Kingsport
- 37680 Laurel Bloomery
- 37681 Limestone
- 37682 Milligan
- 37683 Mountain City
- 37686 Piney Flats
- 37687 Roan Mountain
- 37688 Shady Valley
- 37690 Telford
- 37691 Trade
- 37692 Unicoi
- 37694 Watauga