Establish Instant Local Trust
Securing a 551 area code proves to Northeast New Jersey residents that your business is rooted in their community.
Whether your customers are grabbing coffee near Journal Square or shopping in Hackensack, seeing a familiar local prefix breaks down the initial barriers of a cold call. People are simply more likely to pick up the phone when they recognize the digits, giving your team a crucial head start in building meaningful client relationships across Bergen and Hudson counties.
Expand Your Gold Coast Presence
You do not need an expensive office overlooking Liberty State Park to capture the vibrant market of Jersey City and Union City.
A virtual 551 phone number allows your company to project a massive footprint in one of the most dynamic economic zones in the country. Your remote sales agents can operate from anywhere in the world while maintaining the authentic, neighborhood feel of a trusted local enterprise that truly understands the fast-paced New Jersey lifestyle.
Supercharge Growth With AI Power
Blending local credibility with cutting-edge technology transforms how your business handles communication.
Allo equips your new Jersey City digits with an intelligent AI receptionist, ensuring no inbound opportunity ever slips through the cracks when your team is busy. From automated call summaries to seamless CRM syncing and crystal-clear transparent pricing, you get all the tools necessary to sound like a massive local powerhouse while keeping your overhead beautifully lean.
How does it work?
Create your Allo account
Go to the signup page and enter your details.We offer 7-day free trial to let you test your new number and all the options that come with it.
Select your phone number
Pick your state, city and area code. We then generate the virtual phone number based on your preferences
Adjust your settings
Once you’ve been assigned a number, you can start configuring your account (voicemail, business hours, etc.)



Supercharge your number with AI
Get your calls answered by our AI answering service when you’re busy, leverage our AI IVR to redirect your calls to the right person, receive a call transcript and summary when your calls finish, and more.

Communicate without limits
Your phone number comes with unlimited calls and text messages to US numbers.

Stop spam
Your phone number comes with unlimited calls and text messages to US numbers.

Know who’s calling
Your phone number comes with unlimited calls and text messages to US numbers.



Frequently
Asked Questions
Where is the area code 551?
The 551 area code serves the northeastern portion of New Jersey, operating as an overlay for the 201 area code. It covers major cities including Jersey City, Hackensack, and Union City, encompassing the densely populated regions of Bergen and Hudson counties.
What’s the timezone associated with the 551 area code?
The 551 area code is located in the Eastern Time Zone (ET). It observes Eastern Standard Time (EST) during the winter months and shifts to Eastern Daylight Time (EDT) when daylight saving time is active.
Do I need a physical address in Jersey City to purchase a phone number with a 551 prefix?
No, you do not need a physical office or residence in New Jersey to get a 551 area code. Allo provides cloud-based virtual numbers, allowing you to establish a local presence in Jersey City, Hackensack, or Union City from anywhere in the world.
Will people know where I’m actually calling from?
Not at all. When you make an outbound call using your Allo 551 number, the recipient's caller ID will exclusively display your New Jersey area code. Your actual physical location remains completely private, ensuring your local brand presence is maintained flawlessly.


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