← Area code 309
309-377 phone numbers
Numbers 309-377-0000 to 309-377-9999 are assigned to Frontier North, Inc. (rate centre CROPSEY, IL, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 309-377
- 1 (309) 377-0026 3complaints
- 2 (309) 377-5279 2complaints
- 3 (309) 377-0083 1complaints
- 4 (309) 377-0286 1complaints
- 5 (309) 377-0469 1complaints
- 6 (309) 377-1637 1complaints
- 7 (309) 377-1701 1complaints
- 8 (309) 377-1744 1complaints
- 9 (309) 377-1747 1complaints
- 10 (309) 377-1769 1complaints
- 11 (309) 377-4289 1complaints
- 12 (309) 377-4292 1complaints
- 13 (309) 377-4713 1complaints
- 14 (309) 377-5030 1complaints
- 15 (309) 377-6215 1complaints
- 16 (309) 377-6299 1complaints
- 17 (309) 377-6480 1complaints
- 18 (309) 377-6911 1complaints
- 19 (309) 377-6915 1complaints
- 20 (309) 377-6922 1complaints
- 21 (309) 377-6925 1complaints
- 22 (309) 377-6953 1complaints
- 23 (309) 377-7252 1complaints
- 24 (309) 377-9004 1complaints