Summit New Jersey ZIP Codes
Summit holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Summit
| ZIP code | County |
|---|---|
| 07901 | Union County |
| 07902 | Union 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Summit codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Summit. 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 Summit ZIP code begins 079. Those first three digits identify the sectional center facility that processes mail for this part of New Jersey. Statewide that range covers 35 ZIP codes, so Summit accounts for 6% of it.
Every New Jersey ZIP prefix and the region it covers →
Area codes covering Summit
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 Summit occupies.
Summit New Jersey area codes in full →
Where Summit's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Summit
| City | Distance | ZIP codes |
|---|---|---|
| Chatham New Jersey ZIP codes | 2.0 mi | 1 ZIP code |
| Mountainside New Jersey ZIP codes | 2.4 mi | 1 ZIP code |
| New Providence New Jersey ZIP codes | 2.5 mi | 1 ZIP code |
| Madison New Jersey ZIP codes | 4.0 mi | 1 ZIP code |
| Florham Park New Jersey ZIP codes | 4.5 mi | 1 ZIP code |
| Westfield New Jersey ZIP codes | 4.6 mi | 2 ZIP codes |
| Kenilworth New Jersey ZIP codes | 4.8 mi | 1 ZIP code |
| Garwood New Jersey ZIP codes | 4.9 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.