London Mills Illinois ZIP Codes
London Mills holds a single ZIP code.
Every ZIP code in London Mills
| ZIP code | County |
|---|---|
| 61544 | Fulton County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the London Mills codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for London Mills. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every London Mills ZIP code begins 615. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 48 ZIP codes, so London Mills accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering London Mills
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground London Mills occupies.
London Mills Illinois area codes in full →
Where London Mills's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near London Mills
| City | Distance | ZIP codes |
|---|---|---|
| Fairview Illinois ZIP codes | 5.8 mi | 1 ZIP code |
| Ellisville Illinois ZIP codes | 6.1 mi | 1 ZIP code |
| Maquon Illinois ZIP codes | 8.1 mi | 1 ZIP code |
| Avon Illinois ZIP codes | 9.5 mi | 1 ZIP code |
| Abingdon Illinois ZIP codes | 9.6 mi | 1 ZIP code |
| Prairie City Illinois ZIP codes | 12 mi | 1 ZIP code |
| Knoxville Illinois ZIP codes | 14 mi | 1 ZIP code |
| Farmington Illinois ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.