Lookup area code 423 details: major cities and timezone. View the 423 area code map in Tennessee. Find the name of any phone number in area code 423.
In 1995, the eastern portion of 615, including Knoxville, Chattanooga, and the Tri-Cities, was split off with area code 423. This was the first new area code in the state in 41 years.
Browse area code 423 phone numbers, prefixes and exchanges. The 423 area code serves Chattanooga, Knoxville, Johnson City, Bristol, Kingsport, covering 86 ZIP codes in 30 counties.
423 is an area code located in the state of Tennessee, US. The largest city it serves is Chattanooga. Find out where 423 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here.
Find 423 area code details including city, time zone, and map. Lookup area code 423 phone number, name, and location.
The number 423 has become synonymous with Chattanooga as the area code celebrates its 31st birthday this year. April 23 has even become known as 423 Day in the city.
Area Code 423 Map and Data Area Code 423 Profile ... Area Code 423 Boundary Map List of ZIP Codes in Area Code 423
Area code 423 serves eastern Tennessee, including cities such as Chattanooga, Johnson City, Kingsport, and Cleveland. It was created in 1995 from a split of area code 615 and was later overlaid in part by 865 to cover the Knoxville metro area.
423 Area Code, Tennessee, United States - Location map, time zone ...
All customers with the 423 area code should prepare for mandatory 10-digit dialing and the introduction of the new 729 area code. Starting , all local calls made within the 423 area code must be dialed using 10 digits (area code + the 7-digit telephone number).