731 Area Code — Tennessee
731 is a North American Numbering Plan area code for Tennessee, the United States. It covers about 526,898 people in 125 towns and 133 ZIP codes, including Jackson, Dyersburg and Paris.
| Field | Value |
|---|---|
| Area code | 731 |
| Country | United States (+1) |
| State / province | Tennessee |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Central |
| Population covered | 526,898 |
| Towns covered | 125 |
| ZIP codes | 133 |
| Approx. centre | 35.783, -88.781 |
Where area code 731 is used
Area code 731 is assigned to Tennessee, the United States, inside the North American Numbering Plan. Numbers in the code are written (731) NXX-XXXX at home and +1 731 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Towns and cities in area code 731
The 125 towns below are the largest in the 731 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Jackson | Madison County | 87,024 | 6 |
| Dyersburg | Dyer County | 25,952 | 2 |
| Paris | Henry County | 19,293 | 1 |
| Lexington | Henderson County | 18,248 | 1 |
| Savannah | Hardin County | 17,873 | 1 |
| Union City | Obion County | 16,385 | 2 |
| Ripley | Lauderdale County | 15,958 | 1 |
| Humboldt | Gibson County | 15,837 | 1 |
| Martin | Weakley County | 15,627 | 2 |
| Brownsville | Haywood County | 13,031 | 1 |
| Milan | Gibson County | 12,874 | 1 |
| Henderson | Chester County | 12,694 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Madison County | 14 |
| Carroll County | 13 |
| Gibson County | 11 |
| McNairy County | 10 |
| Obion County | 10 |
| Hardeman County | 9 |
| Henry County | 8 |
| Weakley County | 8 |
| Hardin County | 8 |
| Dyer County | 7 |
| Crockett County | 6 |
| Henderson County | 6 |
Nearby area codes
How to dial area code 731
- Within North America: 731 + 7-digit number (731-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 731, then the 7-digit number — for example 00 1 731 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 731?
731 is a North American Numbering Plan area code assigned to Tennessee, the United States. It covers about 526,898 people in 125 towns.
Is 731 a US or Canadian area code?
731 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 731 in?
Area code 731 is in the Central time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.