Is the power out in 63664?

Live answer for ZIP 63664 (Potosi 1% of the ZIP; Washington County), from Ameren Missouri, updated every 10 minutes.

Right now in 63664

Yes. 1 homes and businesses are without power.

0.02% of 4,623 customers

A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.

Updated 8 min ago

We check every utility's outage data every 10 minutes. Each utility updates its own map on its own schedule, usually every 5 to 15 minutes.

Outage map

ZIP 63664Washington CountyAmeren Missouri publishes totals only, not outage locations.

Some utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.

Neighboring ZIP codes

ZIP	Area	Customers i A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.	% out i Customers without power divided by all the customers the utility serves in this area.
63622	Unincorporated area	555	0.00%
63660	Potosi / Mineral Point	1,601	0.00%
63630	Unincorporated area	2,216	0.00%
63631	Caledonia	585	0.00%
63648	Irondale	772	0.00%
63626	Unincorporated area	471	0.00%

Outage history in Washington County, which includes 63664

2014–2025 record

Washington County averaged 58.7 significant outages a year in 2023–2025, more than most Missouri counties.

In the 12 months to December 2025, there were 67. Half were over within 2.5 hours; the longest lasted 2.8 days, starting January 5, 2025.

The largest on record began January 21, 2016, with 4,869 customers out at once.

58.7significant outages a year (2023–2025)

At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.

2 hourstypical (median) length

Half of significant outages here ended sooner than this, and half lasted longer.

2.8 dayslongest on record (January 2025)

4,869most customers out at once

Largest events (start)	Peak out	Lasted i How long this area stayed at or above the significant-outage line, not how long any one home was without power.	Customer-hours i Customers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
January 21, 2016	4,869	30 minutes	2,434
August 3, 2023	4,792	1.8 days	68,782
July 13, 2023	3,693	1.7 days	50,549
July 1, 2023	3,567	2.3 days	118,011
May 7, 2024	3,548	3.5 hours	6,531

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.

If your power is out

Report it to your utility

Ameren Missouri: outage map and reporting
Stay at least 35 feet from downed power lines and report them right away.

Food safety

0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
24 hA half-full freezer holds about 24 hours if kept closed.
48 hA full freezer holds about 48 hours.

Generators, heat and cold

Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
Use a battery-powered carbon monoxide alarm.
Never heat your home with a gas stove or oven.

This ZIP is in

Utilities

Ameren Missouri