North American Numbers Source-cited · ownership disclosed
Area code
856
In service
United States · since 1999

Camden / Cherry Hill

Serves southwestern New Jersey, essentially the NJ side of the Philadelphia metropolitan area. Split from 609 in 1999; no overlay.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Camden / Cherry Hill
Type
geographic
Status
in service
In service since
1999
Projected exhaust
2035 Q1

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 856 is

Camden, Gloucester, Cumberland, and western Burlington counties (SW NJ / Philadelphia suburbs)..

Communities served wholly or partly by 856:

CamdenCherry HillVineland
B · Relationships

How it relates to other codes

The codes 856 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Split from · 1999 609 Trenton / Atlantic City 856 split from the southwestern portion of 609 in 1999.
What's changing. No overlay; single area code serving its region (10-digit dialing mandatory since 2021 due to 988).
C · History

How 856 got here

1999-06-12
Area code 856 became operational (split from 609).
Source: Wikipedia
2021-10-24
Transitioned to mandatory ten-digit dialing to free 988 for the Suicide & Crisis Lifeline.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
696
Prefixes available
104
Thousands-blocks assigned
3,951

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 856 with another code →
Sources
Wikipedia ↗
Area code 856
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.