First three digits · New Jersey
ZIP Codes Starting with
6 ZIP codes start with 084, sorted at the South Jersey, NJ (SCF 080) sectional center (USPS labeling list L005, effective October 1, 2026) in New Jersey: 4 residential ZIP codes across 1 county and 2 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 084 mean?
The first digit, 0, is one of ten national areas (Connecticut, Massachusetts, Maine, New Hampshire, New Jersey, Puerto Rico, Rhode Island, Vermont, U.S. Virgin Islands and Armed Forces Europe). The first three, 084, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 084 to the South Jersey, NJ (SCF 080) facility. The last two digits pick the delivery area. By residents, the largest town names among the 084 ZIP codes are Atlantic City, Ventnor City, Margate City and Longport.
The same facility sorts 5 prefixes, 182 ZIP codes in all: 080, 081, 082, 083, 084.
Where are the 084 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 084
| County | ||||||
|---|---|---|---|---|---|---|
| 08401 | Atlantic City | Atlantic County | 38,925 | 3,646 | $41k | $207k |
| 08402 | Margate City | Atlantic County | 5,234 | 3,704 | $122k | $709k |
| 08403 | Longport | Atlantic County | 1,046 | 496 | $111k | $1.05M |
| 08404 | Atlantic City | Atlantic County | PO Box or unique | – | – | – |
| 08405 | Atlantic City | Atlantic County | PO Box or unique | – | – | – |
| 08406 | Ventnor City | Atlantic County | 8,972 | 4,543 | $69k | $363k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.