What is area code 212 and where does it cover?

212 serves Manhattan, New York City (most of the borough). It forms an overlay complex with 646 and 332; the citywide 917 overlay also covers Manhattan. Marble Hill—legally part of Manhattan—uses the Bronx/outer-borough codes (718/347/929/917). 

How did 212 evolve over time?

• 1947: 212 assigned to all five boroughs of NYC.

• Sept 1, 1984: 718 created for Brooklyn, Queens, Staten Island; Manhattan & the Bronx kept 212.

• July 1, 1992: The Bronx moved to 718, leaving 212 = Manhattan.

• 1992: 917 introduced as a citywide overlay (initially mobile/pagers, later broader).

• July 1, 1999: 646 added as a Manhattan overlay.

• June 10, 2017: 332 added as a third Manhattan overlay. 

What are the current dialing rules for 212/646/332 (and 917)?

NYC has long used 10-digit dialing for local calls within overlay areas; when 332 arrived, the NY Public Service Commission confirmed no change in dialing and noted that calls among 332/212/646/917 are local. Your existing 212 number doesn’t change; new numbers may be 646 or 332 (or 917 citywide). 

Which neighborhoods and landmarks are most associated with 212?

Area code 212 spans most of Manhattan, including Lower Manhattan/Financial District, Midtown, Upper East/West Sides, Harlem, Inwood, and the residential, commercial, and cultural districts between. (Note: Marble Hill uses outer-borough codes.) 

Why did New York add overlays 646 and 332 to 212?

Regulators projected number exhaustion in Manhattan. Rather than renumbering existing customers, New York approved all-services overlays—first 646 and later 332—so new numbers could be issued while keeping legacy 212 numbers intact. 

What interesting facts are tied to 212?

• Prestige code: 212 is one of the original 1947 area codes and is widely regarded as a cultural shorthand for Manhattan. 

• Overlay stack: Manhattan’s numbering plan is among the most layered—212/646/332 for the borough, plus 917 citywide.