712 Rate Centers & Exchanges
24 rate centers · Iowa · Central Time
A rate center is the geographic unit used by phone carriers to determine local calling areas and billing. Each rate center has a specific name and set of NXX exchanges (the 3-digit prefix after the area code) assigned to it. The map below shows the 24 rate centers within area code 712.
Rate Center Locations
24 centers in area code 712All Rate Centers in Area Code 712
| Rate Center |
|---|
|
Alta
|
|
Atlantic
|
|
Carroll
|
|
Council Bluffs
|
|
Early
|
|
Emmetsburg
|
|
Estherville
|
|
Glenwood
|
|
Harlan
|
|
Holstein
|
|
Ida Grove
|
|
Lake City
|
|
Le Mars
|
|
Mapleton
|
|
Missouri Valley
|
|
Onawa
|
|
Orange City
|
|
Peterson
|
|
Rock Rapids
|
|
Rock Valley
|
|
Sibley
|
|
Sioux City
|
|
Spencer
|
|
Spirit Lake
|