Cities in area code 201

27 localities · NANPA data, current as of July 28, 2026.

These are the cities and communities covered by 201 in New Jersey. "Covered" means the locality is a rate center holding 201 prefixes; the largest are Hackensack, Jersey City, Union City.

Hackensack, Jersey City, Union City, Rutherford, Ramsey, Fair Lawn, Oradell and Cliffside hold the largest prefix inventories; and 18 smaller communities down to single-prefix localities. Each locality below links to its rate-center page with the full prefix list.

27 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.

27 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.

All of the code's territory keeps Eastern time.

Remember that people keep numbers when they relocate, so a 201 number is a where-it-was-issued fact, not a where-they-are fact.

FAQ

What is the biggest city in area code 201?

Hackensack holds the most active prefixes (160), making it the code's largest numbering locality.

How many places does 201 cover?

27 rate centers in New Jersey hold active 201 prefixes, from Hackensack down to communities with a single prefix.

Does a 201 number guarantee the caller lives in one of these places?

No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.