Active Prefixes in Area Code 636
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 636-517-#### | Valley Park | Landline Numbers | Southwestern Bell... |
| 636-519-#### | Chesterfield | Landline Numbers | Southwestern Bell... |
| 636-524-#### | Crystal City | Landline Numbers | Level 3 Communicatio... |
| 636-525-#### | Imperial | Landline Numbers | Southwestern Bell... |
| 636-527-#### | Manchester | Landline Numbers | Southwestern Bell... |
| 636-528-#### | Troy | Landline Numbers | Centurytel Missouri ... |
| 636-529-#### | Valley Park | Landline Numbers | Southwestern Bell... |
| 636-530-#### | Chesterfield | Landline Numbers | Southwestern Bell... |
| 636-532-#### | Chesterfield | Landline Numbers | Southwestern Bell... |
| 636-533-#### | Fenton | Landline Numbers | Xo Missouri, Inc.... |
| 636-534-#### | Chesterfield | Landline Numbers | Mci Worldcom Communi... |
| 636-536-#### | Chesterfield | Landline Numbers | Southwestern Bell... |
| 636-537-#### | Chesterfield | Landline Numbers | Southwestern Bell... |
| 636-538-#### | Wentzville | Wireless Numbers | T-mobile Usa, Inc.... |
| 636-541-#### | Saint Charles | Wireless Numbers | New Cingular Wireles... |
| 636-542-#### | Hazelwood | Wireless Numbers | Windstream Nuvox Mis... |
| 636-543-#### | Crystal City | Landline Numbers | Teleport Communicati... |
| 636-544-#### | Hazelwood | Wireless Numbers | New Cingular Wireles... |
| 636-547-#### | Imperial | Landline Numbers | Global Crossing Loca... |
| 636-548-#### | Maxville | Landline Numbers | Global Crossing Loca... |
| 636-549-#### | Eureka | Wireless Numbers | Windstream Nuvox Mis... |
| 636-552-#### | Manchester | Landline Numbers | Level 3 Communicatio... |
| 636-556-#### | Saint Ann | Landline Numbers | Global Crossing Loca... |
| 636-557-#### | Manchester | Landline Numbers | Allegiance Telecom, ... |
| 636-561-#### | Dardenne | Landline Numbers | Centurytel Missouri ... |
| 636-565-#### | De Soto | Landline Numbers | Level 3 Communicatio... |
| 636-566-#### | Winfield | Landline Numbers | Centurytel Missouri ... |
| 636-573-#### | Saint Charles | Landline Numbers | Allegiance Telecom, ... |
| 636-574-#### | Saint Charles | Landline Numbers | American Messaging (... |
| 636-575-#### | High Ridge | Wireless Numbers | New Cingular Wireles... |
Area Code 636 Introduction
| Area Code: | 636 |
| Country: | United States |
| State/Province: | Missouri - MO |
| Major City: | Harvester |
| Time Zone: | Central |
| Average property | $146K |
| Average age | 61 y/o |
| Average assets | $86.9K |
| Population density | 69,704 sq mi (180,533 km2) |
| Population | 6,083,672 |
| latitude Longitude: | |
| 36° 0′ N to 40° 37′ N / 89° 6′ W to 95° 46′ W | |
| About 636 : | |
| The 636 Area Code (or Area Code 636) is located in the state of MO. Area Code 636 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 870 thousand unique phone numbers and 3.47 million individuals near the city of Ballwin Area code 636 was put into service. Area code 636 was created from a split of area code 314. |
|
| Major cities or places | |
| Ballwin, MO>Chesterfield, MO>O'fallon, MO>St. Charles, MO>St. Peters, MO>Wildwood, MO | |