Area Code 309
309 area code is being used for dialing/telecommunication purposes in Illinois, covering 9 major cities and 5 counties, according to (NANP) North American Numbering Plan for 3-digit Numbering Plan Area (NPA) code. All the areas using NPA code 309 is part of CST (Central Standard Time) timezone.
309 Area Code Covers 9 Cities
Check this below table to know 9 major cities (having more than 20,000 population) in Illinois using numbering plan area code 309 for dialing/telecommunication purposes.
| City | ZIP Codes | Population |
|---|---|---|
| Bloomington, IL | 9 | 78,788 |
| East Moline, IL | 1 | 20,937 |
| East Peoria, IL | 2 | 22,552 |
| Galesburg, IL | 2 | 29,923 |
| Moline, IL | 2 | 42,452 |
| Normal, IL | 1 | 52,920 |
| Pekin, IL | 3 | 32,075 |
| Peoria, IL | 30 | 113,054 |
| Rock Island, IL | 3 | 37,264 |
5 Counties Using 309 as Area Code
309 area code is being used in 5 counties of Illinois for dialing/telecommunication purposes.
43 More NPA Codes Related to Area Code 309
1 or more of these 43 NPA codes are being used in the same or adjacent states of Illinois in the United States.
- 217 Area Code
- 219 Area Code
- 224 Area Code
- 260 Area Code
- 262 Area Code
- 270 Area Code
- 312 Area Code
- 314 Area Code
- 317 Area Code
- 319 Area Code
- 331 Area Code
- 364 Area Code
- 414 Area Code
- 417 Area Code
- 463 Area Code
- 502 Area Code
- 515 Area Code
- 534 Area Code
- 563 Area Code
- 573 Area Code
- 574 Area Code
- 606 Area Code
- 608 Area Code
- 618 Area Code
- 630 Area Code
- 636 Area Code
- 641 Area Code
- 660 Area Code
- 708 Area Code
- 712 Area Code
- 715 Area Code
- 765 Area Code
- 773 Area Code
- 779 Area Code
- 785 Area Code
- 812 Area Code
- 815 Area Code
- 816 Area Code
- 847 Area Code
- 859 Area Code
- 872 Area Code
- 920 Area Code
- 930 Area Code