First three digits · Illinois
ZIP Codes Starting with
33 ZIP codes start with 616, sorted at the Peoria, IL (SCF 615) sectional center (USPS labeling list L005, effective October 1, 2026) in Illinois: 12 residential ZIP codes across 2 counties and 21 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 616 mean?
The first digit, 6, is one of ten national areas (Illinois, Kansas, Missouri and Nebraska). The first three, 616, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 616 to the Peoria, IL (SCF 615) facility. The last two digits pick the delivery area. By residents, the largest town names among the 616 ZIP codes are Peoria, East Peoria, Peoria Heights and Creve Coeur.
The same facility sorts 4 prefixes, 216 ZIP codes in all: 613, 614, 615, 616.
Where are the 616 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 616
| County | ||||||
|---|---|---|---|---|---|---|
| 61601 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61602 | Peoria | Peoria County | 1,163 | 1,044 | $34k | $231k |
| 61603 | Peoria | Peoria County | 15,356 | 3,635 | $42k | $78k |
| 61604 | Peoria | Peoria County | 28,313 | 1,863 | $52k | $100k |
| 61605 | Peoria | Peoria County | 13,424 | 3,066 | $26k | $47k |
| 61606 | Peoria | Peoria County | 6,684 | 5,461 | $39k | $143k |
| 61607 | Peoria | Peoria County | 10,600 | 315 | $76k | $157k |
| 61610 | Creve Coeur | Tazewell County | 4,621 | 1,116 | $48k | $86k |
| 61611 | East Peoria | Tazewell County | 24,040 | 587 | $79k | $165k |
| 61612 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61613 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61614 | Peoria | Peoria County | 27,370 | 2,277 | $67k | $172k |
| 61615 | Peoria | Peoria County | 23,523 | 794 | $80k | $216k |
| 61616 | Peoria Heights | Peoria County | 5,825 | 2,292 | $60k | $118k |
| 61625 | Peoria | Peoria County | 456 | 7,238 | – | – |
| 61629 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61630 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61633 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61634 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61635 | East Peoria | Tazewell County | PO Box or unique | – | – | – |
| 61636 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61637 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61638 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61639 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61641 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61643 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61650 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61651 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61652 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61653 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61654 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61655 | Peoria | Peoria County | PO Box or unique | – | – | – |
| 61656 | Peoria | Peoria County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.