---
title: "Area code 646: New York, United States"
url: "https://lookvalid.com/area-code/646.md"
canonical_url: "https://lookvalid.com/area-code/646"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 646 serves New York, United States. Number formats, numbering rules, a live phone validator and the other codes in New York."
---

# Area code 646: New York, United States

Area code 646 serves New York, United States. Number formats, numbering rules, a live phone validator and the other codes in New York.

NANPA lists 781 central office codes (prefixes) in use in area code 646, held by 39 holders across 1 rate center.
The largest rate center is NWYRCYZN01, with 781 prefixes (100%).
Omnipoint Communications holds the most prefixes, 192 (25%). 85% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 7,253 complaints on file for 4,112 numbers in 646, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1999-07-01
- Time zone: Eastern (E)
- Assigned overlays: 212 (1947-01-01), 917 (1992-01-01), 332 (2017-06-10)
- Prefixes in use: 781
- Pooled prefixes: 667 (85%)
- Rate centers: 1
- Companies holding prefixes: 39
- Assignment dates on file: 2001-01-23 to 2023-11-15 (381 prefixes)

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| NWYRCYZN01 | 781 | 100% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Omnipoint Communications | 192 | 25% |
| Verizon New York | 88 | 11% |
| Verizon Wireless | 84 | 11% |
| New Cingular Wireless PCS | 72 | 9% |
| Paetec Itel | 66 | 8% |
| Level 3 Communications | 59 | 8% |
| 33 other carriers | 220 | 28% |

A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company.

## History

- 1947-01-01: Area code 212, named as the parent of 646 in the NANPA report, was in service.
- 1999-07-01: Area code 646 went into service.

## Complaints on file

7,253 complaints for 4,112 numbers. Numbers whose latest complaint falls in each year:

- 2023: 117
- 2024: 162
- 2025: 172

## Questions

### Where is area code 646?

NANPA assigns area code 646 to New York, United States.

### In which state does area code 646 sit?

New York. 646 is one of 23 area codes the NANPA table assigns to the state.

### Who owns area code 646?

NANPA assigns area codes. Within 646, Omnipoint Communications holds the most prefixes, 192 prefixes or 25%.

### Which time zone does 646 use?

The NANPA NPA report lists the time zone for 646 as Eastern (E).

### What year did 646 enter service?

The NANPA NPA report gives an in-service date of 1999-07-01, so 646 has been in use since 1999.

### Does area code 646 have an overlay?

Yes. 212 (in service 1947-01-01), 917 (in service 1992-01-01) and 332 (in service 2017-06-10) share the same area with 646, so numbers from all of them are local to each other.

### How many prefixes does area code 646 have?

NANPA's report dated 2026-10-17 lists 781 prefixes in service in 646, spread over 1 rate center and 39 holders.

### Are there complaints about 646 numbers?

The FCC data on file has 7,253 complaints for 4,112 numbers in 646. They are unverified consumer reports. A number with no complaints on file is not proven safe.

Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).