What ZIP codes does New Jersey use for mail and package delivery?

New Jersey (NJ) operates within the 5-digit ZIP prefix range 070xx–089xx. Mail routed to state capital Trenton and key regional centers such as Newark, Jersey City, Paterson adheres to these official USPS boundaries.

Which telephone area codes are valid for New Jersey?

New Jersey is served by 10 active North American Numbering Plan (NANPA) area codes: 201, 551, 609, 640, 732, 848, 856, 862, 908, 973. Synthetic telephone numbers for New Jersey use those area codes with a 555 exchange, which is reserved for fictitious use.

How many counties are in New Jersey?

New Jersey is divided into 21 counties, including major administrative regions such as Bergen, Middlesex, Essex, Hudson. Generated street addresses use those names.

What postal formatting conventions and addressing quirks are unique to New Jersey?

Leading zero across all ZIP codes (070xx–089xx) causing widespread integer truncation in legacy systems (e.g., 07030 corrupted to 7030). Intense 'Boroughitis' municipal fragmentation: 564 independent municipalities packed into 21 counties with zero unincorporated land in the entire state. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.

Are the New Jersey addresses generated on this page real places?

No. All street numbers, recipient names, and telephone numbers generated for New Jersey are entirely synthetic and randomized for software testing, database seed scripts, and form validation. They use New Jersey ZIP codes from public USPS data and real city names, but they do not correspond to real individuals or private residences.

Random New Jersey Address Generator

These addresses are randomly generated for software testing. They are not real people’s details: the street number, unit and recipient name are invented, and no record is checked for deliverability.

Randomly generated New Jersey mailing addresses for software testing, form validation and staging data. Each record pairs a real New Jersey city with a ZIP prefix that serves it and the county that city sits in, then adds a street number, a secondary unit designator and a recipient name that are invented.

Official New Jersey Postal & Geographic Reference Specifications

Geographic & Postal Parameter	Official State Specification	Standardization Reference
Postal State Abbreviation	NJ	USPS Publication 28 & ISO 3166-2:US
5-Digit ZIP Prefix Range	070xx–089xx	USPS prefix-to-state assignment
Administrative Jurisdictions	21 Total Counties	US Census Bureau regional boundaries
Active Area Codes (NANPA)	`201, 551, 609, 640, 732, 848, 856, 862, 908, 973` (10 total)	North American Numbering Plan Administrator
State Capital	Trenton	US Census Bureau
Primary Time Zone	Eastern Time (America/New_York, UTC-5 / UTC-4 DST)	IANA time zone database

New Jersey Postal Geography & Key Cities

ZIP codes and Sectional Center Facilities are derived from public USPS ZIP code data, area codes from the North American Numbering Plan, and county names from US Census Bureau records. Street numbers and recipient names are synthetic, and nothing is checked against an address-verification service.

Cities the generator draws from:

Newark
Jersey City
Paterson
Elizabeth
Edison
Trenton

Key Counties & Administrative Jurisdictions

County boundaries determine local sales tax jurisdictions in New Jersey:

Bergen County
Middlesex County
Essex County
Hudson County
Monmouth County

New Jersey Area Codes (NJ)

Generated phone numbers use the area codes listed in the reference table above, paired with a 555 exchange so no number can reach a real line. Generate New Jersey phone numbers.

Postal Delivery Standards & Format Nuances in New Jersey

Leading zero across all ZIP codes (070xx–089xx) causing widespread integer truncation in legacy systems (e.g., 07030 corrupted to 7030).
Intense 'Boroughitis' municipal fragmentation: 564 independent municipalities packed into 21 counties with zero unincorporated land in the entire state.

New Jersey Address Examples in USPS Publication 28 Format

Residential Delivery Point:
100 Main St, Apt 4B Newark, NJ 07101-1204

Commercial / Multi-Unit Delivery Point:
New Jersey Logistics & Software Corp 500 Enterprise Way, Suite 300 Jersey City, NJ 07302-4810

Frequently Asked Questions about New Jersey Addresses

What ZIP codes does New Jersey use for mail and package delivery?: New Jersey (NJ) operates within the 5-digit ZIP prefix range 070xx–089xx. Mail routed to state capital Trenton and key regional centers such as Newark, Jersey City, Paterson adheres to these official USPS boundaries.
Which telephone area codes are valid for New Jersey?: New Jersey is served by 10 active North American Numbering Plan (NANPA) area codes: 201, 551, 609, 640, 732, 848, 856, 862, 908, 973. Synthetic telephone numbers for New Jersey use those area codes with a 555 exchange, which is reserved for fictitious use.
How many counties are in New Jersey?: New Jersey is divided into 21 counties, including major administrative regions such as Bergen, Middlesex, Essex, Hudson. Generated street addresses use those names.
What postal formatting conventions and addressing quirks are unique to New Jersey?: Leading zero across all ZIP codes (070xx–089xx) causing widespread integer truncation in legacy systems (e.g., 07030 corrupted to 7030). Intense 'Boroughitis' municipal fragmentation: 564 independent municipalities packed into 21 counties with zero unincorporated land in the entire state. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.
Are the New Jersey addresses generated on this page real places?: No. All street numbers, recipient names, and telephone numbers generated for New Jersey are entirely synthetic and randomized for software testing, database seed scripts, and form validation. They use New Jersey ZIP codes from public USPS data and real city names, but they do not correspond to real individuals or private residences.

Nearby & Bordering States

Explore test address generators for states sharing a geographic border with NJ:

New Jersey ZIP Prefixes

The first three digits of a ZIP code place an address within New Jersey. These are the prefixes assigned to the state:

070xx, 071xx, 072xx, 073xx, 075xx, 076xx, 080xx, 085xx, 086xx, 088xx

Which processing facility sorts a given prefix is set by the current USPS labeling list L005 and changes as processing is consolidated, so it is not reproduced here. Look up a ZIP prefix to see its state and generate ZIP codes inside it.