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Area code Verified Nov 1, 2026 · Source: NANPA

Area code 646 – New York

646 has served New York since 1999, split from 212. All but a handful of its 786 number blocks are allocated (781 of 786), so it is effectively exhausted. No carrier dominates: Verizon 28.6%, T-Mobile 24.6%, Other CLEC / VoIP 16.4%. It shares its geography with overlay codes 212, 332, 917, so local calls take all ten digits. FTC complaints naming a 646 caller ID totalled 520 in the 33 days to 30 October 2026 (204th of 422 ranked codes). All of its numbers sit in a single telephone rate center covering the whole area.

State
New York
In service since
1999
Time zone
Eastern
Shares area with
212, 332, 917

Who holds 646 number blocks

Share of the 781 assigned NXX blocks (99.4% of the 786 possible), across 40 carriers. This is share of number blocks, not of subscribers.

  • Verizon28.6%
  • T-Mobile27.1%
  • AT&T11.7%
  • Windstream8.5%
  • Lumen8.1%
  • Bandwidth4.1%
  • Other CLEC / VoIP3.8%
  • Onvoy2.6%
  • Charter2.6%
  • Altice2.3%
  • Peerless0.6%
  • Vonage0.1%

Spam complaints naming 646

FTC Do Not Call complaints where the caller ID was a 646 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.

520 complaints in 33 days
#204 of 422 ranked codes
Other168
Calls pretending to be government, businesses, or family and friends145
Dropped call or no message45
Medical & prescriptions43

Rate centers in 646

NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. This code has a single rate center covering its whole area.

NWYRCYZN01781

Timeline

  1. 1999 646 goes into service, split from or overlaid on 212.

More about 646

Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.

All prefixes Every one of the 781 assigned NXX blocks, with the holder of each Local time Zone, UTC offset, clock changes and a live clock Spam complaints How often the code appears in FTC complaints, and what to do Carriers Who holds the number blocks, and why that is not who serves them 646 vs 212 Same area, different code – age, capacity and complaints side by side 646 vs 332 Same area, different code – age, capacity and complaints side by side 646 vs 917 Same area, different code – age, capacity and complaints side by side

Frequently asked about 646

What state is area code 646?

New York. It covers the same area as 212/332/646/917.

Can I still get a 646 number?

Only from recycled stock. 781 of the 786 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (212/332/646/917).

Is a call from 646 a scam?

Not by itself. 646 drew 520 FTC complaints in the 33 days to 30 October 2026, 204th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number. The most reported category here is “Other”.

Which carrier owns 646 numbers?

Verizon holds the largest share of assigned number blocks at 28.6%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.

Do I need to dial 10 digits in 646?

NANPA records the local dialing plan for 646 as “1+10D”.

Sources and verification

NANPA dialing note for this code: “1+10D”. Reviewed by the data desk. Spotted an error? Request a correction.

Nearby and related

212 New York212 New York332 New York917 New York