Prefix 212-540 — New York City Zone 01, NY

NANPA CO code assignment, current as of July 28, 2026.

Area code
212
Prefix (NXX)
540
Rate center
New York City Zone 01
State
New York
Time zone
Eastern
Code holder
ONVOY, LLC- NY
OCN
384C
Pooled
Yes (thousands-block pooling)
Assigned
2019-10-22
LATA
132

Numbers in the 212-540 prefix are registered to the New York City Zone 01 rate center in NY, inside area code 212. The prefix is the second block of a ten-digit US number (212-540-XXXX) and pins the number to a billing locality.

The assigned code holder is ONVOY, LLC- NY, operating company number 384C, assigned October 22, 2019. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

The rate center lies in the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area. The serving LATA is 132. Local time follows the Eastern zone.

Spoofing means this prefix on your screen doesn't guarantee a New York City Zone 01 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 212-540
PrefixRate centerCode holder
212-537 New York City Zone 01 MCIMETRO ACCESS TRANSMISSION SERVICES LLC
212-538 New York City Zone 01 VERIZON NEW YORK, INC.
212-539 New York City Zone 01 VERIZON NEW YORK, INC.
212-541 New York City Zone 01 VERIZON NEW YORK, INC.
212-542 New York City Zone 01 PAETEC ITEL, LLC
212-543 New York City Zone 01 VERIZON NEW YORK, INC.

FAQ

Where is 212-540 located?

The prefix is assigned to the New York City Zone 01 rate center in NY, area code 212. It is part of the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area.

Which company owns 212-540 numbers?

ONVOY, LLC- NY holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.

Is a call from 212-540 safe to answer?

The prefix itself says nothing about the caller. Legitimate New York City Zone 01 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.