---
title: "Area code 336: North Carolina, United States"
url: "https://lookvalid.com/area-code/336.md"
canonical_url: "https://lookvalid.com/area-code/336"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 336 serves North Carolina, United States. Number formats, numbering rules, a live phone validator and the other codes in North Carolina."
---

# Area code 336: North Carolina, United States

Area code 336 serves North Carolina, United States. Number formats, numbering rules, a live phone validator and the other codes in North Carolina.

NANPA lists 782 central office codes (prefixes) in use in area code 336, held by 47 holders across 88 rate centers.
Southern Bell Tel & Tel holds the most prefixes, 163 (21%). 68% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 2,879 complaints on file for 2,388 numbers in 336, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1997-12-15
- Time zone: Eastern (E)
- Assigned overlays: 743 (2016-05-23)
- Prefixes in use: 782
- Pooled prefixes: 535 (68%)
- Rate centers: 88
- Companies holding prefixes: 47
- Assignment dates on file: 2001-01-17 to 2024-03-11 (225 prefixes)
- ZIP codes in its places: 92

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| GREENSBORO | 188 | 24% |
| WINSTN SAL | 145 | 19% |
| HIGH POINT | 53 | 7% |
| BURLINGTON | 51 | 7% |
| ASHEBORO | 29 | 4% |
| LEXINGTON | 29 | 4% |
| REIDSVILLE | 20 | 3% |
| NOWILKESBO | 13 | 2% |
| 80 other rate centers | 254 | 32% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Southern Bell Tel & Tel | 163 | 21% |
| Verizon Wireless | 90 | 12% |
| T-Mobile USA | 63 | 8% |
| Brightspeed Of North Carolina | 58 | 7% |
| New Cingular Wireless PCS | 46 | 6% |
| Paetec Itel | 43 | 5% |
| 41 other carriers | 319 | 41% |

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

- 1993-11-14: Area code 910, named as the parent of 336 in the NANPA report, was in service.
- 1997-12-15: Area code 336 went into service.
- 2016-05-23: Area code 743 went into service as an overlay in the same area as 336.

## Nearest area codes

The area codes closest to 336, measured between the centers of the ZIP code places they serve, are 704 (about 72 miles), 980 (about 72 miles), 919 (about 79 miles), 984 (about 79 miles) and 276 (about 105 miles).

## ZIP codes

92 ZIP codes fall in places that have a rate center in this area code. The places with the most are Greensboro, NC (28 ZIP codes), High Point, NC (7 ZIP codes) and Lexington, NC (4 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes.

## Complaints on file

2,879 complaints for 2,388 numbers. Numbers whose latest complaint falls in each year:

- 2023: 172
- 2024: 140
- 2025: 142

## Questions

### Where is area code 336?

NANPA assigns area code 336 to North Carolina, United States.

### In which state does area code 336 sit?

North Carolina. 336 is one of 10 area codes the NANPA table assigns to the state.

### Which places does area code 336 cover?

The places with the most ZIP codes among the rate centers in 336 are Greensboro, NC, High Point, NC and Lexington, NC. The rate center list on this page shows all of them.

### Who owns area code 336?

NANPA assigns area codes. Within 336, Southern Bell Tel & Tel holds the most prefixes, 163 prefixes or 21%.

### Which time zone does 336 use?

The NANPA NPA report lists the time zone for 336 as Eastern (E).

### What year did 336 enter service?

The NANPA NPA report gives an in-service date of 1997-12-15, so 336 has been in use since 1997.

### Does area code 336 have an overlay?

Yes. 743 (in service 2016-05-23) shares the same area with 336, so numbers from all of them are local to each other.

### Which area codes are nearest to 336?

The area codes closest to 336, measured between the centers of the ZIP code places they serve, are 704 (about 72 miles), 980 (about 72 miles), 919 (about 79 miles), 984 (about 79 miles) and 276 (about 105 miles).

### How many prefixes does area code 336 have?

NANPA's report dated 2026-10-17 lists 782 prefixes in service in 336, spread over 88 rate centers and 47 holders.

### Are there complaints about 336 numbers?

The FCC data on file has 2,879 complaints for 2,388 numbers in 336. 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).