Area Code Information
| Area Code: | 399 |
| State: | Unknown |
| Primary City: | Unknown, Unknown |
| Time Zone: | Unknown |
Area code 399 serves the Unknown, Unknown region in Unknown. This area code is in the Unknown time zone.
Browse Prefixes
Click on any prefix to browse phone numbers in that exchange:
399-200
399-201
399-202
399-203
399-204
399-205
399-206
399-207
399-208
399-209
399-210
399-211
399-212
399-213
399-214
399-215
399-216
399-217
399-218
399-219
399-220
399-221
399-222
399-223
399-224
399-225
399-226
399-227
399-228
399-229
Showing sample prefixes. All prefixes from 200-999 are available.