Area Code Information
| Area Code: | 815 |
| State: | Illinois |
| Primary City: | Rockford, Illinois |
| Time Zone: | Central |
Area code 815 serves the Rockford, Illinois region in Illinois. This area code is in the Central time zone.
Browse Prefixes
Click on any prefix to browse phone numbers in that exchange:
815-200
815-201
815-202
815-203
815-204
815-205
815-206
815-207
815-208
815-209
815-210
815-211
815-212
815-213
815-214
815-215
815-216
815-217
815-218
815-219
815-220
815-221
815-222
815-223
815-224
815-225
815-226
815-227
815-228
815-229
Showing sample prefixes. All prefixes from 200-999 are available.