Trenton, NJ Area Codes
Trenton is served by area codes 609 and 640. It is in New Jersey, Mercer County. About 235,100 people live in its 27 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 609, 640 |
| State / province | New Jersey |
| County | Mercer County |
| Population | 235,100 |
| ZIP codes | 27 |
| Time zone | Eastern |
| Coordinates | 40.2519, -74.7183 |
What area code is Trenton in?
ZIP codes in the code footprint
08601, 08602, 08603, 08604, 08605, 08606, 08607, 08608, 08609, 08610, 08611, 08618, 08619, 08620, 08625, 08628, 08629, 08638, 08644, 08645, 08646, 08647, 08650, 08666, 08690, 08691, 08695
Nearby towns and their area codes
Lawrence Township 609, 640Princeton Junction 609, 640Princeton 609, 640Pennington 609Bordentown 609, 640Plainsboro 609, 640Hightstown 609, 640Cranbury 609, 640
How to dial
Dial 609 + 7 digits for a number in Trenton, or +1 609 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.