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AREA CODE · NEW JERSEY

Area code 551

Area code 551 covers Jersey City, New Jersey. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: New Jersey Major City: Jersey City Eastern Time (ET) Overlay: 201/551
01 / WHERE IT IS

Where is area code 551?

Area code 551 is assigned to Jersey City and the surrounding region in New Jersey. Calls to numbers that start with 551 are routed to this area.

Area code 551 shares its territory with 201. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Bergen CountyHudson County

Line types

  • Mobile 48.3%
  • Landline 51.7%
02 / MAP

Area code 551 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Jersey City

This area code is in the Eastern Time (ET) time zone.

Local timeJersey City, NJ--:--:--

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America/New_YorkLive
04 / HOW TO DIAL

How to call Jersey City

WITHIN THE US551 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 551 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 551 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 551 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 551 555 0123
🇦🇺Australia0011 1 551 555 0123
🇯🇵Japan010 1 551 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 551

Share of the number blocks by carrier and line type.

Landline

Sinch
43%
Fractel
11%
Bandwidth
10%
CoreTel Communications
7%
Cablevision Lightpath
6%
Others
24%

Mobile

T-Mobile USA
49%
Verizon Wireless
31%
AT&T Mobility
18%
Optimum
1%
Sinch
1%
Others
1%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 551

294 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(551) 200 Mobile Jersey City Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ
(551) 201 Landline Jersey City SinchONVOY, LLC - NJ
(551) 202 Mobile Cliffside AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - DC
(551) 203 Landline Jersey City Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(551) 204 Mobile Fair Lawn Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ
(551) 205 Landline Jersey City AT&TTELEPORT COMMUNICATIONS AMERICA, LLC - NJ
(551) 206 Mobile Fair Lawn Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ
(551) 207 Mobile Ramsey Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ
(551) 208 Mobile Jersey City AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - DC
(551) 209 Mobile Wyckoff T-Mobile USAOMNIPOINT COMMUNICATIONS, INC. - NJ

Showing 10 of 294 prefixes

07 / FAQ

Frequently asked questions about area code 551

Where is area code 551 used?
Area code 551 serves Jersey City and the surrounding area in New Jersey, including Bergen County, Hudson County.
What city is area code 551 from?
The main city of area code 551 is Jersey City, NJ.
What time zone is area code 551 in?
Area code 551 is in the Eastern Time (ET) time zone (America/New_York).
Is 551 an overlay area code?
Yes. It shares its territory with 201. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 551 from the United States?
Dial the 10 digits: 551 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 551 number from another country?
Dial your country's exit code (or +), then 1, then 551 and the seven-digit number. From a mobile you can use +1 551 XXX XXXX.
Which carriers use area code 551?
Most landline blocks belong to Sinch and most mobile blocks to T-Mobile USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 551 for landlines, mobiles or both?
Both. About 51.7% of the number blocks are landline, 48.3% mobile.
How do I save a 551 number in WhatsApp or my phone?
Save it in international format: +1 551 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 551?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

212New York City, NY332New York City, NY347New York City, NY646New York City, NY718New York City, NY917New York City, NY

Other area codes in New Jersey

201 · Jersey City609 · Trenton640 · Trenton732 · Toms River848 · Toms River856 · Camden862 · Newark908 · Elizabeth973 · Newark

View all New Jersey area codes →