The area code covers a significant portion of East Tennessee, including major hubs like Chattanooga , Johnson City , and Kingsport . Chattanooga Highlights :
If you have a specific street address and need to find its actual ZIP code, you can use the official USPS ZIP Code Lookup tool to verify by city or address. ZIP Code™ Lookup | USPS 126423 zip
While there is no valid United States ZIP code for , as U.S. ZIP codes are strictly five digits (sometimes followed by a four-digit extension), the numbers 126 and 423 relate to distinct regions in New York and Tennessee. The area code covers a significant portion of