810 Area Code — Michigan
810 is a North American Numbering Plan area code for Michigan, the United States. It covers about 836,852 people in 62 towns and 88 ZIP codes, including Flint, Southfield and Grand Blanc.
| Field | Value |
|---|---|
| Area code | 810 |
| Country | United States (+1) |
| State / province | Michigan |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Eastern |
| Population covered | 836,852 |
| Towns covered | 62 |
| ZIP codes | 88 |
| Approx. centre | 42.991, -83.270 |
Where area code 810 is used
Area code 810 is assigned to Michigan, the United States, inside the North American Numbering Plan. Numbers in the code are written (810) NXX-XXXX at home and +1 810 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 810
The 62 towns below are the largest in the 810 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 |
|---|---|---|---|
| Flint | Genesee County | 137,948 | 17 |
| Southfield | Oakland County | 80,319 | 6 |
| Grand Blanc | Genesee County | 51,900 | 2 |
| Brighton | Livingston County | 48,877 | 2 |
| Port Huron | St. Clair County | 39,342 | 2 |
| Fenton | Livingston County | 39,309 | 1 |
| Davison | Genesee County | 33,757 | 1 |
| Lapeer | Lapeer County | 30,581 | 1 |
| Flushing | Genesee County | 26,384 | 1 |
| Burton | Genesee County | 26,080 | 3 |
| Swartz Creek | Genesee County | 22,339 | 1 |
| Clio | Genesee County | 21,195 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Genesee County | 33 |
| St. Clair County | 18 |
| Sanilac County | 13 |
| Lapeer County | 9 |
| Oakland County | 7 |
| Livingston County | 5 |
| Shiawassee County | 3 |
Nearby area codes
How to dial area code 810
- Within North America: 810 + 7-digit number (810-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 810, then the 7-digit number — for example 00 1 810 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 810?
810 is a North American Numbering Plan area code assigned to Michigan, the United States. It covers about 836,852 people in 62 towns.
Is 810 a US or Canadian area code?
810 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 810 in?
Area code 810 is in the Eastern 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.