Caller ID for
Area code 201
Area code 201 Hackensack, New Jersey
Area code 201 is one of the original 1947 area codes, in New Jersey, with numbers assigned in Hackensack, Jersey City, Union City and 21 more places. It’s 12:10 AM there now.
- State
- New Jersey10 area codes in New Jersey
- Time zone
- Eastern12:10 AM there now
- Exchanges
- 77924 places
- Overlay
- 551Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 201 is
Numbers in 201 are assigned to 24 places in 5 counties: Bergen County, Hudson County, Morris County, Essex County and Passaic County.
Hackensack has the most, 21% of the exchanges; the rest are spread across 23 other places.
- Hackensack160
- Jersey City138
- Union City54
- Rutherford39
- Ramsey30
- Fair Lawn28
- Oradell26
- Cliffside Park25
- Morristown22
- Englewood21
- Bayonne20
- Kearny20
- Ridgewood20
- Leonia19
- Park Ridge18
- Newark17
- Hasbrouck Heights14
- Closter13
- Dumont12
- Westwood10
- Oakland10
- Caldwell6
- Succasunna4
- Passaic1
Phone companies in 201
779 blocks of numbers in 201 are held by 30 phone companies. The most belong to Verizon (266), T-Mobile (80) and Verizon Business (76).
A mix: about 27% wireless, 39% local phone and cable and 34% other carriers, including internet phone services.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
201 has been in service since 1947, when the first North American area codes were set up.
551 (since 2001) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
11 new exchanges were assigned since 2021, the latest in August 2026.
Calling 201
It’s 12:10 AM Eastern time in 201 right now.
From elsewhere in the U.S., dial 1, 201 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
New Jersey has 10 area codes: 201, 551, 609, 640, 732, 848, 856, 862, 908 and 973.
- 862 · Newark, NJ · about 12 mi
- 973 · Newark, NJ · about 14 mi
- 212 · New York, NY · about 15 mi
- 332 · New York, NY · about 15 mi
- 347 · New York, NY · about 15 mi
- 646 · New York, NY · about 15 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 201 area code
Map of the 201 area code around Hackensack, Jersey City and Union City, New Jersey.
Cities on the map
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Questions about 201
Where is area code 201?
In New Jersey, covering Hackensack, Jersey City and Union City and other places across 5 counties.
What time zone is 201 in?
Eastern time. It was 12:10 AM there when this page loaded.
Is 201 an overlay?
Yes. 551 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 201 numbers?
30 companies hold blocks; the most belong to Verizon, T-Mobile and Verizon Business. About 27% of blocks are wireless.
Is 201 running out of numbers?
Not on record. 11 new exchanges have been assigned since 2021.