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Where is the 551 Area Code?
The 551 area code is located in New Jersey, United States, and serves the northern part of the state, including the Hudson County region. It operates as an overlay with area code 201 to meet the growing demand for phone numbers in the area.
Key Locations within the 551 Area Code:
- Major Cities & Communities: Jersey City, Union City, Bayonne, Hoboken, West New York, Hackensack, Fort Lee, Kearny, Fair Lawn, Englewood, Bergenfield, Paramus, Ridgewood, Cliffside Park, Palisades Park
- Counties (Partial or Complete Coverage): Hudson, Bergen

Time Zone
The 551 area code, covering cities like Jersey City, Hoboken, Bayonne, and Union City, is in the Eastern Time Zone (ET). The region observes Eastern Standard Time (EST, UTC−5) during the winter months and switches to Eastern Daylight Time (EDT, UTC−4) for daylight saving time in the summer.
About the 551 Area Code in New Jersey
The 551 area code was established in 2001 as an overlay to the original 201 code serving Northern New Jersey. It includes major economic centers such as Jersey City, Hoboken, and Hackensack, which are supported by core industries like finance, logistics, and healthcare.
This region is a vital driver of the state's economy, with New Jersey generating a real GDP of approximately $675.9 billion in 2024. Much of northern New Jersey, including areas served by the 551 area code, also forms part of the larger New York–New Jersey–Pennsylvania metropolitan region, which produced about $2.3 trillion in total GDP.
Key Economic Sectors in the 551 Region:
- Finance & FinTech: Goldman Sachs (Jersey City), JPMorgan Chase
- Logistics & Global Trade: Port Authority of NY & NJ, GCT Bayonne
- Healthcare & Research: Hackensack Meridian Health, Quest Diagnostics
- Technology & Media: LG Electronics (North American HQ), CNBC, Unilever
History of 551 Area Code
Area code 551 started its service on December 29, 2001, as an overlay of the 201 area code. It was one of 26 area codes introduced that year. 551 was established to relieve the pressure on area code 201 as its numbers were insufficient, creating the demand for new numbers.
The 551 phone area code is New Jersey’s seventh, and it currently has ten.
Search Virtual Phone Numbers With 551 Area Code
Explore the wide range of Calilio’s available virtual 551 phone numbers. Purchase one to establish your business presence in Jersey City.
No Numbers Found
Some numbers require ID and address verification under local laws. Certain numbers also require A2P 10DLC registration to send SMS or MMS to the United States. Moreover, some numbers may not appear in this search because they are not generally offered to customers and are available only on request. Please for assistance.

How Does a 551 Phone Number Work for Your Business?
The 551 area code is a local phone number serving Jersey City and nearby areas like Newark and Bayonne. It functions as a regional identifier that helps telecom networks route calls to the correct location. Businesses and residents use it to establish a local presence, improving call response rates and customer engagement.
Since 551 is an overlay for the 201 area code, 10-digit dialing (area code + phone number) is mandatory for all local calls. For domestic long-distance, you simply add a "1" before the 10-digit number. International callers can reach you by dialing their country’s exit code, the U.S. country code (1), and your full 551 number.
Major carriers operating in this region include Verizon and T-Mobile. However, modern VoIP phone systems such as Calilio are becoming a popular choice for businesses due to advanced features like IVR, a unified call inbox, and AI call analytics, which help improve call response rates, streamline follow-ups, and ultimately build a stronger brand image among customers.

551 Nearby Area Codes
Key Features of an 551 Area Code Virtual Phone Number
Create an account on Calilio and log in to your dashboard.
Navigate to the left sidebar and click the plus symbol (+) located next to the Number section.
You will land on the My Number page; select the United States as the country for a 551 area code number.
Select the Number Type and then choose the Capabilities (SMS, Voice, MMS).
Scroll down, choose an available number from the list, and click the Add to Cart button.
In the final step, enter your name and click Confirm Purchase from the cart to complete payment and activate your virtual number.
Already Have a Business Phone Number with 551 Area Code?
Port your existing 551 area code number to Calilio and enjoy its advanced features.

Why Does Your Business Need a 551 Area Code Number?
Having a local 551 number has many advantages, including fostering trust and credibility, boosting SEO, increasing customer interaction, and providing cost-effective communication in NJ.
Boosts SEO
Fosters Trust and Credibility
Cost-effective Communication
Increases Customer Interaction
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Frequently Asked Questions
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