Area Code Search
Eastern time zone
Current Time in Waterloo: 01:49 AM
Waterloo Area Codes
Here is the current list of area codes in Waterloo, OH. There is currently 1 area code(s) in Waterloo. Search all the most up-to-date currently used Waterloo area codes below.
Eastern time zone
Current Time in Waterloo: 01:49 AM
Area Code | State | City | Timezone |
---|---|---|---|
740 | Ohio | Waterloo | Eastern |