Area Code 551
Area code 551 is in New Jersey, USA , spanning 2 counties and serving 72 cities, including Jersey City, West New York or Hoboken; it currently uses 284 prefixes, assigned from 551-200-XXXX through 551-999-XXXX.
In service since December 29, 2001, area code 551 is an overlay Numbering Plan Area, part of overlay complex 201/551.
The current local time is .
For exact NPA boundaries see official 551 area code map
Phone number lookup
More New Jersey area codes:
Locate any 551-NXX prefix:
| NPANXX | Area Served1 | Date1 |
|---|---|---|
| 551-200 | Jersey City | 1/12/2007 |
| 551-201 | Jersey City | 12/11/2023 |
| 551-202 | Cliffside | 12/30/2015 |
| 551-203 | Jersey City | 3/9/2016 |
| 551-204 | Fair Lawn | 10/28/2014 |
| 551-205 | Jersey City | 3/14/2016 |
| 551-206 | Fair Lawn | 12/19/2001 |
| 551-207 | Ramsey | 4/1/2016 |
| 551-208 | Jersey City | 4/15/2002 |
| 551-209 | Wyckoff | 4/1/2016 |
| 551-210 | Dumont | 6/14/2017 |
| 551-212 | Teaneck | 9/28/2017 |
| 551-213 | Rutherford | 5/9/2016 |
| 551-214 | Bayonne | 5/5/2015 |
| 551-215 | Hackensack | 10/17/2017 |
| 551-216 | Bayonne | 11/16/2016 |
| 551-217 | Ramsey | 3/13/2017 |
| 551-218 | Ramsey | 12/8/2017 |
| 551-219 | Hackensack | 1/26/2018 |
| 551-220 | Jersey City | 8/12/2015 |
| 551-221 | Bayonne | 5/6/2002 |
| 551-222 | Jersey City | 4/26/2013 |
| 551-223 | Fair Lawn | 4/7/2014 |
| 551-224 | Fair Lawn | 5/19/2014 |
| 551-225 | Jersey City | 6/2/2014 |
| 551-226 | Jersey City | 10/17/2007 |
| 551-227 | Jersey City | 6/3/2014 |
| 551-228 | Hackensack | 7/1/2014 |
| 551-229 | Jersey City | 7/20/2015 |
| 551-230 | Englewood | 2/13/2018 |
| 551-231 | Oakland | 4/16/2015 |
| 551-232 | Bayonne | 10/1/2014 |
| 551-233 | Jersey City | 10/1/2014 |
| 551-234 | Cliffside | 9/30/2016 |
| 551-235 | Jersey City | 10/3/2014 |
| 551-236 | Closter | 11/14/2014 |
| 551-237 | Hackensack | 11/19/2014 |
| 551-238 | Fair Lawn | 11/19/2014 |
| 551-239 | Cliffside | 2/27/2018 |
| 551-240 | Union City | 12/30/2015 |
| 551-241 | Bayonne | 9/8/2015 |
| 551-242 | Cliffside | 12/24/2014 |
| 551-243 | Fair Lawn | 1/20/2015 |
| 551-244 | Hackensack | 8/17/2015 |
| 551-245 | Hackensack | 1/20/2015 |
| 551-246 | Fair Lawn | 1/21/2015 |
| 551-247 | Jersey City | 1/29/2015 |
| 551-248 | Closter | 8/12/2015 |
| 551-249 | Park Ridge | 7/11/2016 |
| 551-250 | Fair Lawn | 1/11/2017 |
| 551-251 | Hackensack | 3/22/2018 |
| 551-252 | Ramsey | 10/9/2014 |
| 551-253 | Kearny | 2/5/2015 |
| 551-254 | Union City | 4/16/2015 |
| 551-255 | Hackensack | 2/15/2016 |
| 551-256 | Jersey City | 2/10/2015 |
| 551-257 | Union City | 11/14/2014 |
| 551-258 | Bayonne | 4/16/2015 |
| 551-259 | Hackensack | 3/8/2018 |
| 551-260 | Jersey City | 3/28/2018 |
| 551-261 | Jersey City | 5/10/2018 |
| 551-262 | Ramsey | 2/23/2015 |
| 551-263 | Jersey City | 9/8/2015 |
| 551-264 | Ramsey | 9/15/2015 |
| 551-265 | Hackensack | 8/21/2002 |
| 551-266 | Fair Lawn | 5/29/2018 |
| 551-267 | Jersey City | 9/15/2015 |
| 551-268 | Union City | 5/17/2016 |
| 551-269 | Ramsey | 11/14/2017 |
| 551-270 | Ramsey | 6/4/2018 |
| 551-271 | Bayonne | 7/29/2020 |
| 551-272 | Leonia | 7/11/2016 |
| 551-273 | Bayonne | 5/27/2016 |
| 551-274 | Kearny | 7/14/2016 |
| 551-275 | Hackensack | 7/11/2016 |
| 551-276 | Ridgewood | 9/22/2016 |
| 551-277 | Jersey City | 8/22/2017 |
| 551-278 | Oradell | 12/5/2016 |
| 551-279 | Ramsey | 7/11/2018 |
| 551-280 | Jersey City | 6/26/2018 |
| 551-281 | Hackensack | 7/11/2018 |
| 551-282 | Westwood | 7/30/2018 |
| 551-283 | Hackensack | 12/27/2017 |
| 551-284 | Ridgewood | 8/16/2018 |
| 551-285 | Rutherford | N/A |
| 551-286 | Hackensack | 8/24/2018 |
| 551-287 | Hackensack | 9/13/2018 |
| 551-288 | Closter | 9/23/2020 |
| 551-289 | Hackensack | 1/16/2018 |
| 551-290 | Kearny | 10/26/2020 |
| 551-291 | Ramsey | 10/26/2018 |
| 551-292 | Kearny | 11/1/2018 |
| 551-293 | Hackensack | 11/7/2018 |
| 551-294 | Ramsey | 12/11/2020 |
| 551-295 | Hackensack | 11/26/2018 |
| 551-296 | Oakland | 12/12/2018 |
| 551-297 | Bayonne | 12/19/2018 |
| 551-298 | Jersey City | 4/5/2019 |
| 551-299 | Fair Lawn | 1/15/2019 |
| NPANXX | Area Served1 | Date1 |
|---|---|---|
| 551-300 | Union City | 1/19/2018 |
| 551-301 | Rutherford | 11/26/2018 |
| 551-302 | Hackensack | 4/3/2019 |
| 551-303 | Closter | 1/28/2019 |
| 551-304 | Rutherford | N/A |
| 551-305 | Ridgewood | 7/26/2019 |
| 551-306 | Union City | 8/12/2019 |
| 551-307 | Jersey City | 8/10/2020 |
| 551-308 | Ramsey | 12/12/2018 |
| 551-309 | Jersey City | 10/1/2020 |
| 551-310 | Westwood | 7/8/2020 |
| 551-312 | Bayonne | 11/10/2020 |
| 551-313 | Cliffside | 10/24/2014 |
| 551-314 | Cliffside | 3/20/2019 |
| 551-315 | Ramsey | 11/24/2020 |
| 551-316 | Cliffside | 1/8/2021 |
| 551-317 | Dumont | 1/27/2021 |
| 551-318 | Bayonne | 5/5/2021 |
| 551-319 | Wyckoff | 2/15/2018 |
| 551-320 | Rutherford | 5/27/2021 |
| 551-321 | Park Ridge | 7/22/2020 |
| 551-322 | Teaneck | 6/23/2021 |
| 551-323 | Union City | 6/30/2021 |
| 551-324 | Westwood | 7/21/2021 |
| 551-325 | Jersey City | 7/27/2021 |
| 551-326 | Bayonne | 8/27/2021 |
| 551-327 | Union City | 8/27/2021 |
| 551-328 | Jersey City | 9/9/2021 |
| 551-329 | Ridgewood | 9/23/2021 |
| 551-330 | Cliffside | 10/6/2021 |
| 551-331 | Union City | 10/6/2021 |
| 551-332 | Bayonne | 10/20/2021 |
| 551-333 | Cliffside | 3/25/2008 |
| 551-334 | Kearny | 10/27/2021 |
| 551-335 | Hackensack | 11/18/2021 |
| 551-336 | Hackensack | 2/14/2020 |
| 551-337 | Hackensack | 11/22/2021 |
| 551-338 | Jersey City | 11/22/2021 |
| 551-339 | Bayonne | 12/6/2021 |
| 551-340 | Hackensack | 1/28/2019 |
| 551-341 | Fair Lawn | 12/6/2021 |
| 551-342 | Union City | 12/6/2021 |
| 551-343 | Bayonne | 1/27/2022 |
| 551-344 | Jersey City | 1/27/2022 |
| 551-345 | Hasbrouck Heights | 2/14/2020 |
| 551-346 | Closter | 1/27/2022 |
| 551-347 | Union City | 1/27/2022 |
| 551-348 | Leonia | 10/14/2020 |
| 551-349 | Jersey City | 1/28/2022 |
| 551-350 | Jersey City | 6/14/2022 |
| 551-351 | Cragmere | 1/26/2021 |
| 551-352 | Hackensack | 7/8/2022 |
| 551-353 | Jersey City | 7/21/2022 |
| 551-354 | Hackensack | 8/1/2022 |
| 551-355 | Englewood | 1/26/2021 |
| 551-356 | Kearny | 2/14/2020 |
| 551-357 | Oakland | 9/2/2022 |
| 551-358 | Jersey City | 4/16/2002 |
| 551-359 | Jersey City | 9/2/2022 |
| 551-360 | Leonia | 9/26/2022 |
| 551-361 | Hackensack | 10/20/2022 |
| 551-362 | Jersey City | 11/9/2022 |
| 551-363 | Bayonne | 11/14/2022 |
| 551-364 | Bayonne | 03/23/2023 |
| 551-365 | Kearny | 12/22/2022 |
| 551-366 | Englewood | 10/26/2021 |
| 551-367 | Fair Lawn | 01/09/2023 |
| 551-368 | Hackensack | 01/09/2023 |
| 551-369 | Teaneck | 01/20/2023 |
| 551-370 | Ridgewood | 1/28/2019 |
| 551-371 | Jersey City | 02/09/2023 |
| 551-372 | Kearny | 03/01/2023 |
| 551-373 | Union City | 03/14/2023 |
| 551-374 | Dumont | 05/24/2023 |
| 551-375 | Union City | 06/29/2023 |
| 551-376 | Jersey City | 09/11/2023 |
| 551-377 | Union City | 09/18/2023 |
| 551-378 | Cliffside | 09/20/2023 |
| 551-379 | Cliffside | 09/21/2023 |
| 551-380 | Rutherford | 09/21/2023 |
| 551-381 | Rutherford | 7/22/2020 |
| 551-382 | Englewood | 09/21/2023 |
| 551-383 | Oradell | 09/21/2023 |
| 551-384 | Union City | 10/11/2023 |
| 551-385 | Wyckoff | 11/09/2023 |
| 551-386 | Ridgewood | 12/18/2023 |
| 551-387 | Jersey City | 12/07/2023 |
| 551-388 | Bayonne | 10/14/2020 |
| 551-389 | Bayonne | 01/12/2024 |
| 551-390 | Park Ridge | 02/16/2024 |
| 551-391 | Teaneck | 03/08/2024 |
| 551-392 | Bayonne | 03/13/2024 |
| 551-393 | Hackensack | 05/09/2024 |
| 551-394 | Hasbrouck Heights | 05/15/2024 |
| 551-395 | Closter | 05/29/2024 |
| 551-396 | Bayonne | 06/28/2024 |
| 551-397 | Hackensack | 07/30/2024 |
| 551-398 | Westwood | 07/31/2024 |
| 551-399 | Bayonne | 12/15/2017 |
| NPANXX | Area Served1 | Date1 |
|---|---|---|
| 551-400 | Cragmere | 7/19/2019 |
| 551-401 | Union City | 08/22/2024 |
| 551-402 | Ramsey | 5/10/2018 |
| 551-403 | Bayonne | 09/18/2024 |
| 551-404 | Hackensack | 4/16/2002 |
| 551-405 | Hackensack | 09/19/2024 |
| 551-406 | Closter | 10/01/2024 |
| 551-407 | Kearny | 10/02/2024 |
| 551-408 | Dumont | 11/07/2024 |
| 551-409 | Hackensack | 11/07/2024 |
| 551-410 | Ridgewood | 11/08/2024 |
| 551-412 | Hackensack | 11/25/2024 |
| 551-413 | Kearny | 11/25/2024 |
| 551-414 | Jersey City | 12/02/2024 |
| 551-415 | Leonia | 12/13/2024 |
| 551-416 | Cragmere | 02/06/2025 |
| 551-417 | Jersey City | 02/06/2025 |
| 551-418 | Oradell | 02/13/2025 |
| 551-419 | Fair Lawn | 02/14/2025 |
| 551-420 | Bayonne | 04/03/2025 |
| 551-421 | Union City | 04/03/2025 |
| 551-422 | Hackensack | 04/16/2025 |
| 551-423 | Hackensack | 05/20/2025 |
| 551-427 | Ramsey | 12/19/2001 |
| 551-430 | Jersey City | N/A |
| 551-444 | Fair Lawn | N/A |
| 551-449 | Hackensack | 3/26/2018 |
| 551-451 | Cliffside | 01/13/2023 |
| 551-455 | Fair Lawn | 1/26/2021 |
| 551-465 | Leonia | 2/14/2020 |
| 551-482 | Union City | 5/6/2002 |
| 551-486 | Hackensack | 12/19/2001 |
| 551-497 | Hackensack | 6/13/2005 |
| NPANXX | Area Served1 | Date1 |
|---|---|---|
| 551-500 | Ramsey | 4/3/2014 |
| 551-501 | Englewood | 5/29/2020 |
| 551-502 | Ridgewood | 6/9/2017 |
| 551-525 | Jersey City | 10/16/2023 |
| 551-529 | Union City | 2/14/2020 |
| 551-550 | Jersey City | 3/21/2022 |
| 551-552 | Cragmere | 12/17/2019 |
| 551-553 | Oradell | 8/11/2022 |
| 551-554 | Jersey City | 2/4/2020 |
| 551-556 | Union City | 11/13/2002 |
| 551-557 | Park Ridge | 9/11/2018 |
| 551-574 | Cliffside | 4/15/2002 |
| 551-579 | Ramsey | 9/21/2006 |
| 551-580 | Kearny | 5/6/2002 |
| 551-587 | Hackensack | 10/17/2001 |
| 551-588 | Ramsey | 2/24/2022 |
| NPANXX | Area Served1 | Date1 |
|---|---|---|
| 551-722 | Hasbrouck Heights | 12/15/2017 |
| 551-727 | Bayonne | 3/4/2022 |
| 551-733 | Ridgewood | 3/1/2022 |
| 551-751 | Westwood | 1/26/2021 |
| 551-755 | Closter | 8/11/2021 |
| 551-758 | Jersey City | 2/14/2020 |
| 551-766 | Rutherford | 3/1/2022 |
| 551-775 | Hackensack | 6/24/2016 |
| 551-777 | Ramsey | N/A |
| 551-786 | Union City | 10/14/2020 |
| 551-788 | Park Ridge | 2/24/2022 |
| 551-795 | Fair Lawn | 9/21/2006 |
| 551-799 | Union City | 3/4/2022 |
- For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: June 3, 2025
Cities in area code 551
| City1 | County | Time Zone1 |
|---|---|---|
| Allendale | Bergen | E |
| Alpine | Bergen | E |
| Bayonne | Hudson | E |
| Bergenfield | Bergen | E |
| Bogota | Bergen | E |
| Carlstadt | Bergen | E |
| Cliffside Park | Bergen | E |
| Closter | Bergen | E |
| Cresskill | Bergen | E |
| Demarest | Bergen | E |
| Dumont | Bergen | E |
| East Rutherford | Bergen | E |
| Edgewater | Bergen | E |
| Elmwood Park | Bergen | E |
| Emerson | Bergen | E |
| Englewood | Bergen | E |
| Englewood Cliffs | Bergen | E |
| Fair Lawn | Bergen | E |
| Fairview | Bergen | E |
| Fort Lee | Bergen | E |
| Franklin Lakes | Bergen | E |
| Glen Rock | Bergen | E |
| Hackensack | Bergen | E |
| Harrington Park | Bergen | E |
| Hasbrouck Heights | Bergen | E |
| Haworth | Bergen | E |
| Hillsdale | Bergen | E |
| Ho-Ho-Kus | Bergen | E |
| Hoboken | Hudson | E |
| Jersey City | Hudson | E |
| Kearny | Hudson | E |
| Leonia | Bergen | E |
| Little Ferry | Bergen | E |
| Lyndhurst | Bergen | E |
| Mahwah | Bergen | E |
| Maywood | Bergen | E |
| Midland Park | Bergen | E |
| Montvale | Bergen | E |
| Moonachie | Bergen | E |
| New Milford | Bergen | E |
| North Arlington | Bergen | E |
| North Bergen | Hudson | E |
| Northvale | Bergen | E |
| Norwood | Bergen | E |
| Oakland | Bergen | E |
| Oradell | Bergen | E |
| Palisades Park | Bergen | E |
| Paramus | Bergen | E |
| Park Ridge | Bergen | E |
| Ramsey | Bergen | E |
| Ridgefield | Bergen | E |
| Ridgefield Park | Bergen | E |
| Ridgewood | Bergen | E |
| River Edge | Bergen | E |
| Rochelle Park | Bergen | E |
| Rutherford | Bergen | E |
| Saddle Brook | Bergen | E |
| Saddle River | Bergen | E |
| Secaucus | Hudson | E |
| South Hackensack | Bergen | E |
| Teaneck | Bergen | E |
| Tenafly | Bergen | E |
| Teterboro | Bergen | E |
| Township Of Washington | Bergen | E |
| Union City | Hudson | E |
| Waldwick | Bergen | E |
| Weehawken | Hudson | E |
| West New York | Hudson | E |
| Westwood | Bergen | E |
| Wood-Ridge | Bergen | E |
| Woodcliff Lake | Bergen | E |
| Wyckoff | Bergen | E |
- Listed above are most places served by USA area code 551. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- E stands for Eastern Time (currently ).