---
title: "Area code 731: Tennessee, United States"
url: "https://lookvalid.com/area-code/731.md"
canonical_url: "https://lookvalid.com/area-code/731"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 731 serves Tennessee, United States. Number formats, numbering rules, a live phone validator and the other codes in Tennessee."
---

# Area code 731: Tennessee, United States

Area code 731 serves Tennessee, United States. Number formats, numbering rules, a live phone validator and the other codes in Tennessee.

NANPA lists 394 central office codes (prefixes) in use in area code 731, held by 37 holders across 70 rate centers.
South Central Bell Tel holds the most prefixes, 81 (21%). 68% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 1,152 complaints on file for 968 numbers in 731, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 2001-02-12
- Time zone: Central (C)
- Prefixes in use: 394
- Pooled prefixes: 266 (68%)
- Rate centers: 70
- Companies holding prefixes: 37
- Assignment dates on file: 2001-01-23 to 2026-07-02 (167 prefixes)
- ZIP codes in its places: 63

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| JACKSON | 57 | 14% |
| PARIS | 23 | 6% |
| DYERSBURG | 18 | 5% |
| UNION CITY | 14 | 4% |
| BROWNSVL | 13 | 3% |
| HUMBOLDT | 13 | 3% |
| LEXINGTON | 12 | 3% |
| BOLIVAR | 10 | 3% |
| 62 other rate centers | 234 | 59% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| South Central Bell Tel | 81 | 21% |
| New Cingular Wireless PCS | 52 | 13% |
| Verizon Wireless | 42 | 11% |
| Level 3 Communications | 36 | 9% |
| Onvoy | 36 | 9% |
| Paetec Itel | 21 | 5% |
| 31 other carriers | 126 | 32% |

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 901, named as the parent of 731 in the NANPA report, was in service.
- 2001-02-12: Area code 731 went into service.

## Nearest area codes

The area codes closest to 731, measured between the centers of the ZIP code places they serve, are 901 (about 78 miles), 615 (about 119 miles), 629 (about 119 miles), 270 (about 124 miles) and 364 (about 138 miles).

## ZIP codes

63 ZIP codes fall in places that have a rate center in this area code. The places with the most are Jackson, TN (6 ZIP codes), Dyersburg, TN (2 ZIP codes) and Martin, TN (2 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

1,152 complaints for 968 numbers. Numbers whose latest complaint falls in each year:

- 2023: 76
- 2024: 166
- 2025: 84

## Questions

### Where is area code 731?

NANPA assigns area code 731 to Tennessee, United States.

### In which state does area code 731 sit?

Tennessee. 731 is one of 8 area codes the NANPA table assigns to the state.

### Which places does area code 731 cover?

The places with the most ZIP codes among the rate centers in 731 are Jackson, TN, Dyersburg, TN and Martin, TN. The rate center list on this page shows all of them.

### Who owns area code 731?

NANPA assigns area codes. Within 731, South Central Bell Tel holds the most prefixes, 81 prefixes or 21%.

### Which time zone does 731 use?

The NANPA NPA report lists the time zone for 731 as Central (C).

### What year did 731 enter service?

The NANPA NPA report gives an in-service date of 2001-02-12, so 731 has been in use since 2001.

### Does area code 731 have an overlay?

The NANPA NPA report lists no other area code in an overlay with 731.

### Which area codes are nearest to 731?

The area codes closest to 731, measured between the centers of the ZIP code places they serve, are 901 (about 78 miles), 615 (about 119 miles), 629 (about 119 miles), 270 (about 124 miles) and 364 (about 138 miles).

### How many prefixes does area code 731 have?

NANPA's report dated 2026-10-17 lists 394 prefixes in service in 731, spread over 70 rate centers and 37 holders.

### Are there complaints about 731 numbers?

The FCC data on file has 1,152 complaints for 968 numbers in 731. 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).