Area Code Lookup
What Area Code Is Union City?
2 area codes serve Union City · New Jersey
Union City is served by area codes 201, 551. It is located in New Jersey.
Area Codes Serving Union City
Frequently Asked Questions
What area code is Union City?
Union City is served by area codes 201, 551. It is located in New Jersey.
Why does Union City 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). Union City now has 2 area codes — 201 and 551 — covering the same or overlapping areas.
How do I call Union City from outside the US?
To call Union City from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-201-XXX-XXXX). The +1 is the country code for all NANPA countries.