856 Area Code — New Jersey
856 is a North American Numbering Plan area code for New Jersey, the United States. It covers about 1,233,381 people in 91 towns and 101 ZIP codes, including Cherry Hill, Camden and Vineland.
| Field | Value |
|---|---|
| Area code | 856 |
| Country | United States (+1) |
| State / province | New Jersey |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Eastern |
| Population covered | 1,233,381 |
| Towns covered | 91 |
| ZIP codes | 101 |
| Approx. centre | 39.718, -75.117 |
Where area code 856 is used
Area code 856 is assigned to New Jersey, the United States, inside the North American Numbering Plan. Numbers in the code are written (856) NXX-XXXX at home and +1 856 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Towns and cities in area code 856
The 91 towns below are the largest in the 856 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Cherry Hill | Camden County | 76,725 | 3 |
| Camden | Camden County | 69,496 | 5 |
| Vineland | Cumberland County | 63,244 | 3 |
| Sicklerville | Camden County | 50,264 | 1 |
| Clementon | Camden County | 49,305 | 1 |
| Marlton | Burlington County | 48,179 | 1 |
| Bridgeton | Cumberland County | 47,279 | 1 |
| Mount Laurel | Burlington County | 46,026 | 1 |
| Blackwood | Camden County | 41,812 | 1 |
| Williamstown | Gloucester County | 41,595 | 1 |
| Sewell | Gloucester County | 38,159 | 1 |
| Deptford | Gloucester County | 35,336 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Camden County | 34 |
| Gloucester County | 27 |
| Cumberland County | 18 |
| Salem County | 12 |
| Burlington County | 8 |
| Atlantic County | 2 |
Nearby area codes
How to dial area code 856
- Within North America: 856 + 7-digit number (856-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 856, then the 7-digit number — for example 00 1 856 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 856?
856 is a North American Numbering Plan area code assigned to New Jersey, the United States. It covers about 1,233,381 people in 91 towns.
Is 856 a US or Canadian area code?
856 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 856 in?
Area code 856 is in the Eastern time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.