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Area Code Info / Tennessee / 423
423
Tennessee ChattanoogaGeographic

Area Code 423

Chattanooga, Tennessee

Browse Numbers in This Area Code
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60,916
Available Numbers
🏙️
12
Cities Covered
🕐
Chicago
Timezone
📋
10-digit
Dialing Rules
Coverage Area

423 Cities and regions covered

Tennessee · TN

Major Cities

Chattanooga Johnson City Kingsport Cleveland Bristol Morristown Greeneville Athens Elizabethton Dayton Erwin Soddy-Daisy
In Service 1995-01-01
Status Active
Area Code History

423

423区号于1995年从615区号拆分而来，服务田纳西州东部地区，包括查塔努加和三城区。

Dialing Rules

423

10-digit

When dialing 423 area code numbers, follow these rules:

  • Local calls require full 10-digit dialing (area code + 7-digit number)
  • Long-distance calls require 1 + area code + 7-digit number
Why 423 is Valuable for Business

423 · Chattanooga

The 423 area code covers Chattanooga and surrounding areas, making it one of the most commercially valuable area codes in Tennessee. Owning a premium 423 number enhances your business image and customer trust.

Premium Numbers

423 Premium numbers in this area code

(423) 888-9666
双三连号Featured
Chattanooga, TN
$899.00
View Details
(423) 888-9555
双三连号Featured
Chattanooga, TN
$399.00
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(423) 888-5252
XYXYFeatured
Chattanooga, TN
$199.00
View Details
(423) 666-3777
双三连号Featured
Chattanooga, TN
$899.00
View Details
(423) 666-7333
双三连号Featured
Chattanooga, TN
$399.00
View Details
(423) 666-6222
双三连号Featured
Chattanooga, TN
$399.00
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(423) 666-0005
XXXY号Featured
Chattanooga, TN
$199.00
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(423) 666-0007
XXXY号Featured
Chattanooga, TN
$199.00
View Details
(423) 666-3131
XYXYFeatured
Chattanooga, TN
$199.00
View Details
(423) 666-3330
双三连号Featured
Chattanooga, TN
$399.00
View Details
(423) 666-3335
双三连号Featured
Chattanooga, TN
$399.00
View Details
(423) 666-3336
双三连号Featured
Chattanooga, TN
$399.00
View Details
(423) 666-3344
AABBFeatured
Chattanooga, TN
$149.00
View Details
(423) 666-3388
AABBFeatured
Chattanooga, TN
$149.00
View Details
(423) 666-3555
双三连号Featured
Chattanooga, TN
$399.00
View Details
(423) 666-3337
双三连号Featured
Chattanooga, TN
$399.00
View Details
(423) 666-3999
双三连号Featured
Chattanooga, TN
$899.00
View Details
(423) 666-3888
双三连号Featured
Chattanooga, TN
$899.00
View Details
(423) 705-3927
-25%
Chattanooga, TN
$299.00 $399.00
View Details
(423) 705-3944
-25%
Chattanooga, TN
$299.00 $399.00
View Details
(423) 705-3931
-25%
Chattanooga, TN
$299.00 $399.00
View Details
(423) 705-3934
-25%
Chattanooga, TN
$299.00 $399.00
View Details
(423) 705-3936
-25%
Chattanooga, TN
$299.00 $399.00
View Details
(423) 705-3937
-25%
Chattanooga, TN
$299.00 $399.00
View Details
View All 423 Numbers
FAQ

423 FAQ

What state is the 423 area code in?
The 423 area code is in Tennessee (TN), primarily covering Chattanooga and surrounding areas.
How do I get a premium 423 area code number?
You can search and buy premium 423 numbers on GreatNumber. We offer one-time payment with lifetime ownership — no monthly fees or hidden charges. We provide full porting assistance after purchase.
Can I port a 423 number to another carrier?
Yes, all numbers purchased on GreatNumber can be ported to any carrier of your choice (T-Mobile, AT&T, Verizon, etc.). Porting typically takes 3-14 business days, and we provide full bilingual support.
Related Area Codes

Other area codes related to 423

615 Nashville Tennessee 629 Nashville Tennessee 731 Jackson Tennessee 865 Knoxville Tennessee 901 Memphis Tennessee 931 Clarksville Tennessee

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