Area Code Atlas

NPA 563 split from 319

Area code 563 was split from area code 319 in 2001, following debate over whether to implement the new code as a split or an overlay. The decision was made to use a geographic split due to public resistance to overlays at the time.

319 NPA Split, Creating 563 NPA (Iowa)

Area code 563 split from 319

In March 2001, area code 563 was created from a geographic split of area code 319 to serve northeastern Iowa, including cities such as Davenport and Dubuque, due to number exhaustion in 319.

NPA 563 became active

Area code 563 became active on March 25, 2001, serving the east central and northeast corner of Iowa after its split from 319.

NPA 563 split from 319

Area code 563 was created by splitting from area code 319, becoming active on March 25, 2001. The split served the east central and northeast corner of Iowa, including most of the Iowa side of the Quad Cities.

Mandatory dialing for NPA 563

Mandatory dialing for area code 563 began on December 2, 2001, completing the transition from permissive to mandatory use of the new code.