| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (314) 421-10** | (314) 421-1000 - (314) 421-1092 | 12 |
| (314) 421-11** | (314) 421-1100 - (314) 421-1199 | 23 |
| (314) 421-12** | (314) 421-1200 - (314) 421-1279 | 16 |
| (314) 421-13** | (314) 421-1300 - (314) 421-1399 | 15 |
| (314) 421-14** | (314) 421-1400 - (314) 421-1488 | 13 |
| (314) 421-15** | (314) 421-1500 - (314) 421-1593 | 15 |
| (314) 421-16** | (314) 421-1600 - (314) 421-1688 | 17 |
| (314) 421-17** | (314) 421-1700 - (314) 421-1798 | 13 |
| (314) 421-18** | (314) 421-1800 - (314) 421-1893 | 19 |
| (314) 421-19** | (314) 421-1900 - (314) 421-1988 | 17 |
US Phone Directory: (314) 421-1***
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