Active Prefixes in Area Code 636
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 636-200-#### | Maryland Heights | Landline Numbers | Birch Telecom Of Mis... |
| 636-203-#### | Fenton | Landline Numbers | Mci Worldcom Communi... |
| 636-205-#### | Winfield | Landline Numbers | Level 3 Communicatio... |
| 636-207-#### | Manchester | Landline Numbers | Southwestern Bell... |
| 636-208-#### | Crystal City | Wireless Numbers | New Cingular Wireles... |
| 636-209-#### | Crystal City | Wireless Numbers | Cellco Partnership D... |
| 636-212-#### | Maxville | Wireless Numbers | Cellco Partnership D... |
| 636-216-#### | Saint Louis | Landline Numbers | Xo Missouri, Inc.... |
| 636-219-#### | Saint Charles | Wireless Numbers | T-mobile Usa, Inc.... |
| 636-220-#### | Manchester | Landline Numbers | Charter Fiberlink, L... |
| 636-221-#### | Washington | Landline Numbers | Southwestern Bell... |
| 636-222-#### | Cedar Hill | Wireless Numbers | Cellco Partnership D... |
| 636-223-#### | Imperial | Landline Numbers | At&t Local... |
| 636-224-#### | Herculaneum | Wireless Numbers | Windstream Nuvox Mis... |
| 636-225-#### | Valley Park | Landline Numbers | Southwestern Bell... |
| 636-226-#### | Valley Park | Landline Numbers | Southwestern Bell... |
| 636-227-#### | Manchester | Landline Numbers | Southwestern Bell... |
| 636-228-#### | Augusta | Landline Numbers | Centurytel Missouri ... |
| 636-229-#### | Harvester | Landline Numbers | Mci Worldcom Communi... |
| 636-230-#### | Manchester | Landline Numbers | Southwestern Bell... |
| 636-231-#### | Washington | Landline Numbers | Socket Telecom, Llc ... |
| 636-232-#### | Crystal City | Landline Numbers | Level 3 Communicatio... |
| 636-233-#### | Saint Charles | Wireless Numbers | Cellco Partnership D... |
| 636-234-#### | Union | Landline Numbers | Level 3 Communicatio... |
| 636-235-#### | Warrenton | Landline Numbers | Level 3 Communicatio... |
| 636-236-#### | Saint Louis | Wireless Numbers | Sprint Spectrum L.p.... |
| 636-237-#### | Chesterfield | Landline Numbers | Mci Worldcom Communi... |
| 636-238-#### | Manchester | Landline Numbers | Mci Worldcom Communi... |
| 636-239-#### | Washington | Landline Numbers | Southwestern Bell... |
| 636-240-#### | O Fallon | Landline Numbers | Centurytel Missouri ... |
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 | |