Warren County, Illinois
Warren County, Illinois, has 8 towns and 8 ZIP codes, in area code 309, with 861 as an overlay.
Towns in Warren County, A to Z
| Town | ZIP codes | Area codes |
|---|---|---|
| Berwick | 61417 | 309, 861 |
| Cameron | 61423 | 309, 861 |
| Gerlaw | 61435 | 309, 861 |
| Kirkwood | 61447 | 309, 861 |
| Little York | 61453 | 309, 861 |
| Monmouth | 61462 | 309, 861 |
| Roseville | 61473 | 309, 861 |
| Smithshire | 61478 | 309, 861 |
ZIP codes in Warren County
- 61417Berwick309, 861
- 61423Cameron309, 861
- 61435Gerlaw309, 861
- 61447Kirkwood309, 861
- 61453Little York309, 861
- 61462Monmouth309, 861
- 61473Roseville309, 861
- 61478Smithshire309, 861
Area codes in Warren County
- Area code 309
In service since 1957. Shares its area with 861. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 861
In service since February 24, 2023. Shares its area with 309. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Local numbers in area code 309
Looking for a phone number with a Warren County area code? These 309 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (309) 775-5678Prairie City, IL$59View & buy
- (309) 775-8765Prairie City, IL$59View & buy
- (309) 780-7567Talbott, IL$59View & buy
- (309) 780-7657Talbott, IL$59View & buy
- (309) 780-7678Talbott, ILAlso spells PORT, POST, SORT$59View & buy
- (309) 780-7765Talbott, IL$59View & buy
- (309) 780-7897Talbott, IL$59View & buy
- (309) 780-8678Talbott, IL$59View & buy
- (309) 780-8768Talbott, IL$59View & buy
- (309) 780-8876Talbott, ILAlso spells TURN$59View & buy
- (309) 780-8987Talbott, IL$59View & buy
- (309) 790-5677Topeka, IL$59View & buy
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