Eldorado Area Code
We have found 5 cities with names similar to "Eldorado". Below is the list of cities that match your search criteria.
Eldorado, IL area code
Eldorado, IL is served by area code 618. This area code was initially assigned on 01-JAN-47 and has been in continuous service since 01-JAN-47, supporting the city's growing communication needs over the years.
The area code 618 is part of an overlay complex (618/730), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.
| City Name | Eldorado, IL |
| Area Code | 618 |
| Overlay Complex | 618/730 |
| State | Illinois |
| Country | United State |
| Time Zone | Central Standard Time (CST) |
| Code Type | General Purpose Code |
| In Service | Yes |
| Assignment Date | 01-JAN-47 |
| In Service Date | 01-JAN-47 |
Eldorado, TX area code
Eldorado, TX is served by area code 325. This area code was initially assigned on 13-MAR-02 and has been in continuous service since 05-APR-03, supporting the city's growing communication needs over the years.
| City Name | Eldorado, TX |
| Area Code | 325 |
| State | Texas |
| Country | United State |
| Time Zone | Central Standard Time (CST) |
| Code Type | General Purpose Code |
| In Service | Yes |
| Assignment Date | 13-MAR-02 |
| In Service Date | 05-APR-03 |
Eldorado, MD area code
Eldorado, MD is served by area code 410. This area code was initially assigned on 28-DEC-90 and has been in continuous service since 06-OCT-91, supporting the city's growing communication needs over the years.
The area code 410 is part of an overlay complex (410/443/667), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.
| City Name | Eldorado, MD |
| Area Code | 410 |
| Overlay Complex | 410/443/667 |
| State | Maryland |
| Country | United State |
| Time Zone | Eastern Standard Time (EST) |
| Code Type | General Purpose Code |
| In Service | Yes |
| Assignment Date | 28-DEC-90 |
| In Service Date | 06-OCT-91 |
Eldorado, OH area code
Eldorado, OH is served by area code 937. This area code was initially assigned on 28-JUN-96 and has been in continuous service since 28-SEP-96, supporting the city's growing communication needs over the years.
The area code 937 is part of an overlay complex (326/937), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.
| City Name | Eldorado, OH |
| Area Code | 937 |
| Overlay Complex | 326/937 |
| State | Ohio |
| Country | United State |
| Time Zone | Eastern Standard Time (EST) |
| Code Type | General Purpose Code |
| In Service | Yes |
| Assignment Date | 28-JUN-96 |
| In Service Date | 28-SEP-96 |
Eldorado, OK area code
Eldorado, OK is served by area code 580. This area code was initially assigned on 11-SEP-97 and has been in continuous service since 01-NOV-97, supporting the city's growing communication needs over the years.
| City Name | Eldorado, OK |
| Area Code | 580 |
| State | Oklahoma |
| Country | United State |
| Time Zone | Central Standard Time (CST) |
| Code Type | General Purpose Code |
| In Service | Yes |
| Assignment Date | 11-SEP-97 |
| In Service Date | 01-NOV-97 |
