Area Code Information
| Area Code: | 423 |
| State: | Tennessee |
| Primary City: | Chattanooga, Tennessee |
| Time Zone: | Eastern |
Area code 423 serves the Chattanooga, Tennessee region in Tennessee. This area code is in the Eastern time zone.
Browse Prefixes
Click on any prefix to browse phone numbers in that exchange:
423-200
423-201
423-202
423-203
423-204
423-205
423-206
423-207
423-208
423-209
423-210
423-211
423-212
423-213
423-214
423-215
423-216
423-217
423-218
423-219
423-220
423-221
423-222
423-223
423-224
423-225
423-226
423-227
423-228
423-229
Showing sample prefixes. All prefixes from 200-999 are available.