How many area codes does Iowa have?

Iowa has 5 active geographic area codes in the North American Numbering Plan: 319, 515, 563, 641, 712. Each code serves a distinct region or acts as an overlay for a high-demand metro area.

What is the oldest area code in Iowa?

The oldest area code in Iowa is 319, assigned in 1947. It serves Cedar Rapids and the Eastern Iowa region. 319 is one of the original 86 area codes created when the North American Numbering Plan was first established.

Can I get a Iowa phone number from anywhere?

Yes. DialPhone virtual phone numbers are not tied to a physical location. You can get a Iowa area code number and use it from any device — desktop, mobile, or browser — anywhere with an internet connection. This makes Iowa numbers ideal for remote teams, distributed businesses, and sales teams targeting Iowa customers.

How much does a Iowa area code number cost?

DialPhone plans start at $24 per user per month on the Core plan. Every plan includes your choice of Iowa area code number, unlimited US and Canada calling, business SMS, AI call captions, and a free 14-day trial — no credit card required. See the DialPhone pricing page for current tier details.

Can I port my existing Iowa number to DialPhone?

Yes. DialPhone supports free number porting from any major US or Canadian carrier, including existing Iowa area code numbers. Porting typically completes in 2 to 5 business days with zero service interruption. See the complete number porting guide for step-by-step instructions.

What time zones are used in Iowa?

Iowa area codes span the CT time zone. When scheduling calls with Iowa customers, verify the specific area code's time zone to avoid calling outside business hours.

Area Codes in Iowa — Local Business Phone Numbers

Quick answer

Iowa has 5 active geographic area codes covering Des Moines, Cedar Rapids, Davenport. The most-recognized codes are 515, 319, 712, serving Des Moines and the Central Iowa region.

Total codes: 5
Top metro: Des Moines
Time zone: CT
Largest code: 515 (Des Moines)

By Darshan M

Growth Operations Lead at DialPhone · Verified against NANPA data

Area codes in Iowa

Iowa is served by 5 active geographic area codes in the North American Numbering Plan. These codes were assigned between 1947 and 2001 as population and call demand grew across the state.

Code	Primary City	Region	Established	Overlay Codes	Population
319	Cedar Rapids	Eastern Iowa	1947	—	700,000
515	Des Moines	Central Iowa	1947	—	800,000
563	Davenport	Southeastern Iowa	2001	—	500,000
641	Mason City	South-Central Iowa	2001	—	400,000
712	Sioux City	Western Iowa	1947	—	500,000

Time zones in Iowa

All area codes in Iowa fall in the CT time zone.

CT — area codes: 319, 515, 563, 641, 712

Top metros and their area codes

Below are the primary cities in Iowa and the area codes that serve each metro. Cities with multiple codes share geography due to overlay assignments added as demand grew.

Cedar Rapids — 319
Davenport — 563
Des Moines — 515
Mason City — 641
Sioux City — 712

Why get a local Iowa number?

A Iowa area code number gives your business three core advantages:

Local trust signal. Customers in Iowa recognize local area codes as their own. A familiar caller ID builds immediate credibility for service businesses, sales teams, and patient communication.
Higher answer rate. Calls from a local area code are answered far more often than toll-free or out-of-area numbers — industry data puts the lift at 20–40%. That difference matters most for outbound sales, appointment confirmations, and service callbacks.
Targeted marketing. Advertising a local Iowa number on print, radio, digital, and outdoor channels converts better than a national 800 number for audiences who prefer doing business locally.

How to get a Iowa area code number with DialPhone

Setting up a Iowa business number takes under 10 minutes:

Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
Search available Iowa numbers. Filter the DialPhone number inventory by state, area code, city, or number pattern.
Choose your number and configure. Assign your new Iowa number to a user or team, configure call routing, voicemail, AI receptionist, and business SMS.
Port your existing number (optional). Already have a Iowa number? Free number porting completes in 2 to 5 business days with zero service interruption.