Everything you need to know about area code 551 in New Jersey
QUICK FACTS
New Jersey
Eastern Time Zone
Overlay code
Estimated residents served
New Jersey
Shares territory with existing code
ABOUT THIS AREA CODE
Area code 551 is an overlay for northeastern New Jersey, sharing territory with area code 201. It serves the densely populated communities across the Hudson River from Manhattan.
Phone numbers with the 551 area code follow the format (551) XXX-XXXX, where the next three digits represent the local exchange. The 551 area code is part of the North American Numbering Plan (NANP) and is regulated by the Federal Communications Commission (FCC).
If you receive a call from a 551 number that you don't recognize, you can search it using the lookup tool above. While the 551 area code legitimately serves millions of residents and businesses in the Jersey City area, scammers sometimes spoof local area codes to make their calls appear more trustworthy. Always verify unfamiliar numbers before returning calls or sharing personal information.
The Jersey City region served by area code 551 is one of the most densely populated areas in New Jersey. As an overlay code, 551 shares its geographic territory with other area codes in the region, meaning all local calls require 10-digit dialing.
For detailed information about any phone number in the 551 area code, including owner identification, carrier data, and spam reports, use our search tool above or visit one of our trusted lookup providers.
CITIES & COMMUNITIES
SPAM & SCAM ALERTS
These are frequently reported scam patterns from phone numbers using the 551 area code. Scammers often spoof area codes, so a call appearing to come from 551 may originate elsewhere.
Callers impersonate a grandchild in trouble, claiming to need bail money or emergency funds wired immediately.
Automated messages claim a package could not be delivered and direct you to a phishing website to reschedule delivery.
Callers offer fake student loan forgiveness programs, collecting personal and financial information under the pretense of reducing your debt.
Stay Safe: Never share personal information with incoming callers. If suspicious, hang up and search the number above.
FREQUENTLY ASKED QUESTIONS
Area code 551 serves Jersey City, New Jersey. Area code 551 is an overlay for northeastern New Jersey, sharing territory with area code 201. It serves the densely populated communities across the Hudson River from Manhattan.
Area code 551 is in the Eastern timezone. Calls from 551 numbers originate from the Jersey City region.
Not necessarily. Area code 551 serves many people in Jersey City. However, scammers can spoof any area code. If you receive a suspicious call from a 551 number, search it above before calling back.
Area code 551 was created in 2001. It is an overlay code sharing territory with an existing area code.
RELATED AREA CODES
WHO CALLED ME
If you received an unknown call from a 551 number, use our dedicated lookup page to identify the caller and check for scam reports.
Who Called Me From 551? →