Coverage Map
Interactive
Showing coverage area for Area Code 840 in California.
Top Cities
| City Name | Type |
|---|---|
| Los Angeles | Principal |
| Woodville | Principal |
| Valleypark | Principal |
| Fieldfield | Principal |
| Brookville | Principal |
| New Springville | Principal |
| North Viewview | Principal |
| Fieldmouth | Principal |
| New Waterfield | Principal |
| East Springmouth | Principal |
| Fieldmouth | Principal |
| Stonefield | Principal |
| Viewport | Principal |
| Valleymouth | Principal |
| West Stoneport | Principal |
| Hillview | Principal |
| Fort Fallswood | Principal |
| Havenburg | Principal |
| Havencity | Principal |
| Little Waterpark | Principal |
| Grand Creekton | Principal |
| Fieldwood | Principal |
| Woodcity | Principal |
| Havenview | Principal |
| Rivermouth | Principal |
| East Valleyside | Principal |
| Lake Havenland | Principal |
| Lake Hillport | Principal |
| Brookpark | Principal |
| Old Fieldton | Principal |
Counties Served
| County | State |
|---|---|
| Woodmouth County | California |
| Waterburg County | California |
| Ridgeville County | California |
| Waterton County | California |
| Brookville County | California |
Active Phone Prefixes
Recently Assigned
| Prefix | Usage | Location | Carrier |
|---|---|---|---|
| 840-507 | Landline | Greater Metro Area | T-Mobile |
| 840-296 | Landline | Greater Metro Area | Sprint |
| 840-953 | Landline | Greater Metro Area | AT&T |
| 840-231 | Landline | Greater Metro Area | AT&T |
| 840-904 | Landline | Greater Metro Area | Sprint |
| 840-995 | Landline | Greater Metro Area | Sprint |
| 840-420 | Landline | Greater Metro Area | Sprint |
| 840-867 | Landline | Greater Metro Area | AT&T |
| 840-262 | Landline | Greater Metro Area | AT&T |
| 840-407 | Mobile | Greater Metro Area | Verizon Wireless |
| 840-617 | Landline | Greater Metro Area | AT&T |
| 840-235 | Landline | Greater Metro Area | T-Mobile |
| 840-865 | Landline | Greater Metro Area | Verizon Wireless |
| 840-280 | Mobile | Greater Metro Area | Sprint |
| 840-838 | Mobile | Greater Metro Area | T-Mobile |
| 840-285 | Mobile | Greater Metro Area | Verizon Wireless |
| 840-486 | Landline | Greater Metro Area | AT&T |
| 840-272 | Landline | Greater Metro Area | Verizon Wireless |
| 840-371 | Mobile | Greater Metro Area | AT&T |
| 840-445 | Landline | Greater Metro Area | T-Mobile |
| 840-788 | Landline | Greater Metro Area | Verizon Wireless |
| 840-613 | Mobile | Greater Metro Area | T-Mobile |
| 840-369 | Mobile | Greater Metro Area | Verizon Wireless |
| 840-347 | Mobile | Greater Metro Area | Verizon Wireless |
| 840-699 | Mobile | Greater Metro Area | Sprint |
| 840-838 | Landline | Greater Metro Area | T-Mobile |
| 840-850 | Mobile | Greater Metro Area | AT&T |
| 840-699 | Mobile | Greater Metro Area | T-Mobile |
| 840-821 | Landline | Greater Metro Area | Sprint |
| 840-802 | Landline | Greater Metro Area | Sprint |