(840) 237
Prefix in ONTARIO, California
Prefix Details
| Area Code | 840 |
| Prefix | 237 |
| Full Number Pattern | (840) 237-XXXX |
| Rate Center | ONTARIO |
| State | California |
| Operating Company | ONVOY, LLC - CA |
| Time Zone | Pacific (PT, UTC-8) |
About the (840) 237 Prefix
The (840) 237 prefix is assigned to ONVOY, LLC - CA and serves the ONTARIO rate center in California. Phone numbers with this prefix are in the Pacific Time Zone and are part of area code 840 which covers San Bernardino and surrounding areas.