5 area codes assigned to Iowa · Central Time
Iowa went from 3 area codes in 1947 to 5 today. A split carves territory off its parent; an overlay sits on top of it, which is why newer codes need ten-digit dialling.
Dates from the NANPA area code report, 09/19/2026.
Iowa spans 9 LATAs — the regions a call is routed within before it becomes long-haul.
319
Iowa
Central Time
3,706 blocks · 137 rate centres
515
Iowa
Central Time
4,389 blocks · 98 rate centres
563
Iowa
Central Time
2,635 blocks · 109 rate centres
641
Iowa
Central Time
3,764 blocks · 223 rate centres
712
Iowa
Central Time
4,005 blocks · 245 rate centres
Iowa has more than one area code in most regions. Enter a city to see which codes serve it, or check a specific number instead.
Iowa is served by 5 area codes in the North American Numbering Plan (NANP): 319, 515, 563, 641, 712. All Iowa numbers are in the Central Time zone. Click any area code above to see the cities and rate centers it covers, formatted tel: link examples, and to search for available phone numbers.