Cedar Lake Indiana ZIP Codes
Cedar Lake holds a single ZIP code.
Every ZIP code in Cedar Lake
| ZIP code | County |
|---|---|
| 46303 | Lake 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Cedar Lake codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Cedar Lake. 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 Cedar Lake ZIP code begins 463. Those first three digits identify the sectional center facility that processes mail for this part of Indiana. Statewide that range covers 53 ZIP codes, so Cedar Lake accounts for 2% of it.
Every Indiana ZIP prefix and the region it covers →
Area codes covering Cedar Lake
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Cedar Lake occupies.
Cedar Lake Indiana area codes in full →
Where Cedar Lake's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Cedar Lake
| City | Distance | ZIP codes |
|---|---|---|
| Crown Point Indiana ZIP codes | 5.5 mi | 2 ZIP codes |
| Lowell Indiana ZIP codes | 5.8 mi | 1 ZIP code |
| Schererville Indiana ZIP codes | 7.8 mi | 1 ZIP code |
| Dyer Indiana ZIP codes | 9.3 mi | 1 ZIP code |
| Merrillville Indiana ZIP codes | 9.4 mi | 2 ZIP codes |
| Griffith Indiana ZIP codes | 11 mi | 1 ZIP code |
| Highland Indiana ZIP codes | 12 mi | 1 ZIP code |
| Schneider Indiana ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.