What is the area code for Carlstadt, NJ?

Carlstadt uses 2 area codes: 201 and 551. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.

What time zone is Carlstadt in?

Carlstadt is in the Eastern time zone.

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Carlstadt, New Jersey (population 6,410) uses area codes 201 and 551.

Area code201

Area code551

Time zoneEastern

Local time now…

Carlstadt has no telephone exchange of its own in NANPA records; it is served by the Rutherford exchange about 3.7 km away.

Carlstadt and nearby cities in area code 201

47 prefixes are assigned to the Rutherford exchange: 11% mobile, 32% VoIP and cable, 57% landline.

Carrier	Prefixes
Verizon	18
Onvoy (Sinch)	5
Lumen (Level 3)	4
T-Mobile	4
Verizon Business (MCImetro)	4
American Messaging Services	2
Cooperative Communications	2
Paetec Itel	2

Area code	Prefixes serving Carlstadt	Main carriers in this code
201	39	Verizon, Verizon Business (MCImetro), AT&T Mobility
551	8	Onvoy (Sinch), T-Mobile, Verizon Wireless

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

What is the area code for Carlstadt, NJ?: Carlstadt uses 2 area codes: 201 and 551. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Carlstadt in?: Carlstadt is in the Eastern time zone.