The 641 area code is located in the state of Iowa, and according to Intelius data, covers roughly 308,401 phone numbers and 464,739 listings across 591 prefixes.
This is a General Purpose Code, in service since July 9, 2000.
Area code 641 was split from area code 515.
Local calls within area code 641 require 7 digits dialing, while long-distance calls require 1 plus 10 digits dialing.
Have you received a call from a number with a 641 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) | 42,372 |
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