Area code 712 is the telephone area code in the North American Numbering Plan (NANP) for the most western part of Iowa, including the cities of Spencer, Le Mars, Sioux City, Council Bluffs, …

Where is area code 712? Area code 712 is located in western Iowa and covers Sioux City, Council Bluffs, and Spencer. It is the only area code that serves the area.

Find 712 area code details including city, time zone, and map. Lookup area code 712 phone number, name, and location.

Browse area code 712 phone numbers, prefixes and exchanges. The 712 area code serves Sioux City, Omaha, Spencer, Harlan, Sergeant Bluff, covering 206 ZIP codes in 39 counties.

5 days ago · 712 is an area code located in the state of Iowa, US. The largest city it serves is Sioux City. Find out where 712 area code zone from, which states, counties and cities it …

Nov 22, 2025 · Area code 712 is in Iowa, USA. Locate phone numbers 712-200-XXXX through 712-999-XXXX. City list with local time, map and overlaying areas.

Dec 28, 2025 · Area code 712 is located in Iowa. Get area code location and dialing plans for all phone prefixes in area code 712.

The 712 area code is a telephone area code serving the most western part of Iowa. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 712 area code) …

Fixed phone numbers in the United States, state Iowa (area code 712) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit …

About area code 712: location, common spam callers, related area codes, and more. Includes 712 reverse phone lookup to identify spam callers.