Telephone Number Directory
+1 (636) 257-8847
Located in O'Fallon, Missouri, Unites States • Carrier: Southwestern Bell
Safety & Risk Assessment
Neutral / Clean
Community Threat Level
5% Spam Risk
No spam reports registered
Number Specifications & Telecom Details
| Country |
(+1) United States
|
|---|---|
| State / Province | Missouri |
| City / Town | O'Fallon |
| Area Code | 636 |
| Central Office Exchange (Prefix) | 257 |
| Subscriber Line | 8847 |
| Telecom Carrier | Southwestern Bell |
| Line Type | Landline |
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Dialing Formats & International Standards
Standard E.164 International Format
+1 636 257 8847
Domestic National 10-Digit Format
(636) 257-8847
Dialing with International Call Prefix (IDD)
011 1 636 257 8847
Hyphenated Directory Format
1-636-257-8847
Community Caller Reports
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Nearby Phone Numbers in the 257 Exchange
Check adjacent line numbers in O'Fallon, Missouri to detect neighborhood spoofing patterns:
Nuisance Call Protection
- Never disclose financial info: Banks, courts, and government agencies will never ask for gift cards or wire transfers over the phone.
- Do Not Press Keys: Pressing "1" or "9" confirms to robocall dialers that your line is active.
- National Registry: Add your number to donotcall.gov to block legal telemarketing lists.
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About O'Fallon, Missouri
Area code 636 and exchange 257 serve residents and businesses across O'Fallon and surrounding communities in Missouri.
Browse 636-257 Exchange
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