| Start Date | 12/29/2001 |
| Current Time in Area Code 551 | 551> EST |
| Timezone | Eastern Standard Time |
| Regional Market Area | Metro New York City |
| Population (2020) | 1680586 |
| Adjacent Area Codes | 201,212,347,646,718,845,862,908,914,917,929,973 |
| Overlay Area Codes | 201 |
| Bergen County |
| Hudson County |
| Bayonne |
| Fair Lawn |
| Fort Lee |
| Hackensack |
| Hoboken |
| Jersey City |
| Kearny |
| Union City |
| West New York |