Active Prefixes in Area Code 231
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 231-604-#### | Kalkaska | Wireless Numbers | Usa Mobility Wireles... |
| 231-605-#### | Newaygo | Wireless Numbers | Usa Mobility Wireles... |
| 231-606-#### | Big Rapids | Wireless Numbers | Usa Mobility Wireles... |
| 231-607-#### | Not available. | Wireless Numbers | Usa Mobility Wireles... |
| 231-608-#### | Frankfort | Wireless Numbers | Usa Mobility Wireles... |
| 231-613-#### | Scottville | Wireless Numbers | New Cingular Wireles... |
| 231-614-#### | Pentwater | Landline Numbers | Lucre, Inc.... |
| 231-615-#### | Cheboygan | Landline Numbers | American Messaging (... |
| 231-620-#### | Traverse City | Wireless Numbers | New Cingular Wireles... |
| 231-622-#### | Petoskey | Landline Numbers | Level 3 Communicatio... |
| 231-623-#### | Wolverine | Landline Numbers | Lucre, Inc.... |
| 231-624-#### | Kalkaska | Wireless Numbers | Sprint Spectrum L.p.... |
| 231-625-#### | Cheboygan | Landline Numbers | Ameritech Michigan... |
| 231-626-#### | Not available. | Landline Numbers | Charter Fiberlink - ... |
| 231-627-#### | Not available. | Landline Numbers | Ameritech Michigan... |
| 231-628-#### | Manistee | Landline Numbers | American Messaging (... |
| 231-629-#### | Big Rapids | Wireless Numbers | Sprint Spectrum L.p.... |
| 231-631-#### | Traverse City | Wireless Numbers | Cellco Partnership D... |
| 231-632-#### | Traverse City | Wireless Numbers | New Cingular Wireles... |
| 231-633-#### | Traverse City | Wireless Numbers | New Cingular Wireles... |
| 231-634-#### | Bois Blanc | Landline Numbers | Island Telephone Co.... |
| 231-635-#### | Mackinaw City | Landline Numbers | Local Exchange Carri... |
| 231-636-#### | Howard City | Landline Numbers | Local Exchange Carri... |
| 231-637-#### | Northport | Landline Numbers | Telnet Worldwide, In... |
| 231-638-#### | Muskegon | Wireless Numbers | Sprint Spectrum L.p.... |
| 231-639-#### | Beulah | Landline Numbers | Local Exchange Carri... |
| 231-640-#### | Lake Ann | Wireless Numbers | New Cingular Wireles... |
| 231-642-#### | Traverse City | Wireless Numbers | Sprint Spectrum L.p.... |
| 231-643-#### | Morley | Landline Numbers | Local Exchange Carri... |
| 231-644-#### | Brethren | Landline Numbers | Lucre, Inc.... |
Area Code 231 Introduction
| Area Code: | 231 |
| Country: | United States |
| State/Province: | Michigan - MI |
| Major City: | Muskegon |
| Time Zone: | Eastern |
| Average property | $38K |
| Average age | 55 y/o |
| Average assets | $26.9K |
| Population density | 96,716 sq mi (250,493 km2) |
| Population | 9,928,300 |
| latitude Longitude: | |
| 41° 41' N to 48° 18' N / 82° 7' W to 90° 25' W | |
| About 231 : | |
| The 231 Area Code (or Area Code 231) is located in the state of MI. Area Code 231 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 756 thousand unique phone numbers and 2.44 million individuals near the city of Marion Area code 231 was put into service. Area code 231 was created from a split of area code 616. |
|
| Major cities or places | |
| Norton Shores, MI>Shelby, MI | |