What is the area code for Northfield, NJ?

Northfield uses 2 area codes: 609 and 640. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.

What time zone is Northfield in?

Northfield is in the Eastern time zone.

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Northfield, New Jersey (population 8,496) uses area codes 609 and 640.

Area code609

Area code640

Time zoneEastern

Local time now…

Northfield has no telephone exchange of its own in NANPA records; it is served by the Pleasantville exchange about 4.2 km away.

Northfield and nearby cities in area code 609

67 prefixes are assigned to the Pleasantville exchange: 34% mobile, 16% VoIP and cable, 49% landline.

Area code	Prefixes serving Northfield	Main carriers in this code
609	53	Verizon, AT&T Mobility, Verizon Wireless
640	14	AT&T Mobility, Onvoy (Sinch), T-Mobile

Numbers starting with these first six digits were originally assigned to the Pleasantville exchange.

What is the area code for Northfield, NJ?: Northfield uses 2 area codes: 609 and 640. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Northfield in?: Northfield is in the Eastern time zone.