Area Code Lookup
What Area Code Is Haddonfield?
2 area codes serve Haddonfield · New Jersey
Haddonfield is served by area codes 609, 856. It is located in New Jersey.
Area Codes Serving Haddonfield
Frequently Asked Questions
What area code is Haddonfield?
Haddonfield is served by area codes 609, 856. It is located in New Jersey.
Why does Haddonfield have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Haddonfield now has 2 area codes — 609 and 856 — covering the same or overlapping areas.
How do I call Haddonfield from outside the US?
To call Haddonfield from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-609-XXX-XXXX). The +1 is the country code for all NANPA countries.