The 712 area code is located in the state of Iowa, and according to Intelius data, covers roughly 352,280 phone numbers and 529,702 listings across 632 prefixes.
This is a General Purpose Code, in service since January 1, 1947.
Local calls within area code 712 require 7 digits dialing, while long-distance calls require 1 plus 10 digits dialing.
Have you received a call from a number with a 712 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County Population (2025) | 92,996 |
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| County Population (2025) | 106,649 |
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