New Jersey business phone guide

Businesses in New Jersey

New Jersey had 9.5 million residents in the Census Bureau's July 2024 estimate, up 2.3% from April 2020. The U.S. population grew 2.6% over the same period. County Business Patterns counted 237,968 business establishments in the state in 2023 with 3,945,019 mid-March employees and $292.1 billion in annual payroll. The average establishment has 16.6 employees. 56.5% of establishments with employees had fewer than five people. The three largest sectors by establishments are health care and social assistance (29,996), retail trade (29,729), and professional, scientific, and technical services (29,052).

How New Jersey's businesses compare

New Jersey has 25.0 business establishments per 1,000 residents, in line with the U.S. figure of 24.6. Establishments average 16.6 employees against 16.7 nationally, and payroll per employee is $74,045 (8.3% above the U.S. $68,342). 56.5% of establishments with employees have fewer than five people (U.S.: 55.5%), while 5.4% have 50 or more. Because a handful of large employers lift the average, the share of very small establishments says more about who buys a small-business phone system.

Area codes in New Jersey

NANPA lists 10 geographic area codes in service in New Jersey, with 5,628 central office codes assigned across 209 rate centers and held by 82 carriers. 609 has the most assigned codes (780). 8 of them are part of overlays. The newest in service is 640, since September 17, 2018.

Small-business industries in New Jersey

Among the 141 phone-heavy small-business industries these guides cover, the largest in New Jersey by establishment count are full-service restaurants (8,060), limited-service restaurants (7,670), and physician practices (7,335). Follow an industry for its metro-level counts and what a phone system costs a typical team.

Metro and micropolitan areas

6 Census metro or micropolitan areas include part of New Jersey. The largest is New York, NY-NJ with 19.9 million residents.

Which New Jersey area code to pick

Every New Jersey area code requires ten-digit dialing for local calls, according to NANPA's dialing-plan data, so customers always see and dial the full number. In overlays (609/640, 732/848, 201/551, and 862/973), the codes share one territory, so a new number may come from any code in the overlay. The city pages show which codes dominate each place, which is the best guide to the number your customers will recognize.

Largest New Jersey cities for local numbers

159 New Jersey cities and towns have their own local-number page. The most populous are Newark (201/862), Jersey City (201/551), Paterson (862/973), and Lakewood (732/848).

What phone service costs a New Jersey business

Per-seat phone plans multiply by headcount. For the rounded average establishment size in New Jersey, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.

Callata in New Jersey

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

Porting a number you already use in New Jersey is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.