(551) Area Code Business Phone Numbers
The 551 area code covers Jersey City and the rest of northeastern New Jersey, sitting right across the Hudson from Manhattan. It arrived in 2001 as an overlay to 201, and it now shares the region with some of the busiest small business corridors in the state.
Get a 551 NumberAbout the 551 Area Code
The 551 area code was introduced in 2001 to relieve the pressure on 201, which had run out of usable numbers as northern New Jersey grew. Today it overlays the same territory, from Jersey City up through Bergen County, so any new line pulled in the region has a good chance of starting with 551.
Jersey City itself has quietly turned into one of the busiest business hubs in the state, with a 2026 population of about 304,205 and a median household income near $94,813 [1]. The waterfront around Harborside anchors a financial district that hosts Goldman Sachs, Morgan Stanley, and a wave of fintech and professional services firms right across the river from Wall Street [2]. Around them, plenty of accountants, dentists, contractors, and food spots serve the neighborhoods that grew up alongside the towers.
If your customers live in Bayonne, Hoboken, or Hackensack, a 551 number tells them you are actually here and not routing through a call center somewhere else. That familiarity matters when someone is deciding whether to pick up an unknown number, and it is one of the small reasons Tonet lets you keep the local look while working from anywhere.
Cities Served by the 551 Area Code
The 551 overlay covers roughly the same footprint as 201, stretching across Hudson and Bergen counties. That means one local number can reach customers from the Jersey City waterfront up to the Bergen suburbs.
Features Built for Jersey City Businesses
Whether you run a law office at Harborside or a family restaurant in the Heights, the phone still does a lot of the heavy lifting. Here are the features Tonet customers in the 551 lean on most.
Auto Attendant
Greet callers, route them to the right person, and offer directions or hours without tying up a human. Great for busy days when your front desk is already juggling walk-ins.
Call Recording
Record calls so you can review a quote, settle a "who said what" moment, or train new hires. Everything stays organized by number and date.
AI Transcription
Every voicemail comes back as clean text you can skim on the PATH train. You get the message without having to press play in a crowded car.
Business SMS
Text customers from your 551 number to confirm appointments, share a quick update, or answer a quiet question. It keeps personal numbers private.
Mobile App
Take business calls on your phone whether you are on Grove Street or heading up to Paramus. Wi-Fi or cellular, the app just works.
Daily Billing
Plans start at $10 per user per month billed daily, with numbers at $2.50 each. No contracts, so seasonal changes do not lock you in.
Frequently Asked Questions
Is the 551 area code the same region as 201?
Yes. 551 was added in 2001 as an overlay for 201, so both cover the same territory across Hudson and Bergen counties. New numbers in the area are usually issued from 551 today.
Can I get a 551 number if I do not have an office in Jersey City?
You can. Tonet numbers are cloud based, so you can pick a 551 number and answer it from anywhere. It is a common setup for remote teams that still want a New Jersey presence.
Do I have to dial 10 digits in the 551 area code?
Yes. Because 201 and 551 overlap the same region, all local calls in northern New Jersey require 10 digit dialing. Your Tonet system handles that automatically.
Can I move my existing 551 or 201 number to Tonet?
Most numbers port over without issue. You keep the number your customers already know, and we handle the paperwork with your old carrier.
How much does a 551 business number cost?
Plans start at $10 per user per month billed daily, and each number is $2.50 per month. There are no contracts, so you can add or remove lines as your business changes.
Ready for a 551 Number?
Pick a Jersey City number, port your old one, and start taking calls today.
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