Area code
Area code 309 — Peoria, IL
Illinois · in service since 1957
Area code 309 covers parts of Illinois; the place with the most of its prefixes is Peoria. It is an overlay: 861 serves the same area, so neighbors can have different area codes.
Overlay, same area: 861
Local time in Peoria
Spam reports from Sep 23 – Oct 22, 2026
Average #294 of 461 codes
289 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneCentral Time
- Local calls10 digits
- Prefixes800 assigned
- Runs out~4Q 2102
- Unwanted call?Block & report
Spam call reports about 309 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 20 |
| Sep 14 | 131 |
| Sep 21 | 93 |
| Sep 28 | 68 |
| Oct 5 | 43 |
| Oct 12 | 71 |
| Oct 19 (4 days) | 52 |
Compared with all codes
- Robocalls
- 75%all codes 75%
- Callers with the same code
- 41%all codes 35%
- Rank by complaints
- #294of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 7510 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 73 15% | |
| Dropped call or no message | 46 10% | |
| Calls pretending to be government, businesses, or family and friends | 44 9% | |
| Medical & prescriptions | 18 4% | |
| Home improvement & cleaning | 10 2% | |
| Warranties & protection plans | 10 2% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Illinois | 295 62% | |
| Florida | 17 4% | |
| California | 16 3% | |
| Virginia | 15 3% | |
| Iowa | 10 2% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 309 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| PEORIA | Peoria | Peoria County | 155 |
| BLOOMINGTN | Bloomington | McLean County | 76 |
| ROCKISLAND | Rock Island | Rock Island County | 41 |
| MACOMB | Macomb | McDonough County | 23 |
| GALESBURG | Galesburg | Knox County | 20 |
| MOLINE | Moline | Rock Island County | 17 |
| PEKIN | Pekin | spans 2 counties | 17 |
| EASTMOLINE | East Moline | Rock Island County | 16 |
| CANTON | Canton | Fulton County | 13 |
| KEWANEE | Kewanee | Henry County | 13 |
Plus 161 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Illinois
- Assigned by NANPA
- 1957
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-577, PL-556, PL-544
Source: NANPA, NPA database of Oct 24, 2026.
Is 309 running out of numbers?
Previous forecast (October 2025): 2097, moved later by 5 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 309 prefixes
The five largest of 72 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Frontier North, Inc. | 99 12% | |
| Illinois Bell Tel Co. | 83 10% | |
| Onvoy, LLC | 74 9% | |
| Level 3 Communications, LLC | 66 8% | |
| Verizon Wireless | 46 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 309
What area code is 309?
An Illinois area code, in service since 1957.
Where is 309 area code, and what time zone is it in?
Peoria, IL; Central Time.
Why am I getting spam calls from 309?
289 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 309 get a new area code?
NANPA forecasts exhaust in 4Q 2102; no relief planning listed.