What time zone is area code 551 in?

Area code 551 uses Eastern Time.

What area codes overlay 551?

201 serves the same area as 551. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 551 a scam?

The area code alone doesn’t tell you. Most calls from 551 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 551 number, let it go to voicemail.

When did area code 551 start?

551 went into service in 2001. It was created from area code 201.

Can a 551 number be outside New Jersey?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 551 caller can be anywhere.

Area code 551

Where is area code 551?

Jersey City, Hackensack and Bayonne, New Jersey

Local time: … (Eastern Time)

State	New Jersey
Country	United States
Main cities	Jersey City, Hackensack and Bayonne
Time zone	Eastern Time
Overlay area codes	201
In service since	2001 (created from 201)
Assigned prefixes	300
Dialing format	(551) XXX-XXXX · +1 551 XXX XXXX from abroad

Look up a 551 number

Cities and towns in area code 551

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 551.

Jersey City, NJ (53)
Hackensack, NJ (47)
Bayonne, NJ (31)
North Bergen, NJ (24)
Fort Lee, NJ (20)
Ramsey, NJ (20)
Fair Lawn, NJ (17)
Kearny, NJ (11)
Ridgewood, NJ (10)
Closter, NJ (8)
Rutherford, NJ (8)
Englewood, NJ (6)
Westwood, NJ (6)
Wyckoff, NJ (6)
Bergenfield, NJ (5)
Oakland, NJ (5)
Park Ridge, NJ (5)
Teaneck, NJ (5)
Hasbrouck Hts, NJ (4)
Mahwah, NJ (4)
Paramus, NJ (4)
Xxxxxxxxxx, NJ (1)

Phone companies in area code 551

The carriers that hold the most 551 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

Prefixes	Carrier
71	Onvoy
67	Omnipoint Communications (T-Mobile)
44	Verizon Wireless
27	New Cingular Wireless PCS (AT&T)
16	Fractel
15	Bandwidth.com CLEC
10	Ton80 Communications
9	Cablevision Lightpath

All 300 prefixes in area code 551

Pick the 3 digits after the area code to see that prefix’s city and carrier.

Area codes that overlay 551

Questions

Where is area code 551?: Area code 551 is in New Jersey. It serves Jersey City, Hackensack, Bayonne, North Bergen and Fort Lee and 17 other cities and towns.
What time zone is area code 551 in?: Area code 551 uses Eastern Time.
What area codes overlay 551?: 201 serves the same area as 551. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
Is a call from area code 551 a scam?: The area code alone doesn’t tell you. Most calls from 551 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 551 number, let it go to voicemail.
When did area code 551 start?: 551 went into service in 2001. It was created from area code 201.
Can a 551 number be outside New Jersey?: Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 551 caller can be anywhere.

Other area codes in New Jersey

Area code	Main cities
609	Trenton, Atlantic City and Princeton
640	Atlantic City, Lawrenceville and Galloway
732	New Brunswick, Edison and Toms River
848	New Brunswick, Edison and Toms River
856	Cherry Hill, Camden and Mount Laurel
862	Newark, Clifton and West Orange
908	Elizabeth, Somerville and Plainfield
973	Newark, Morristown and Clifton