531 Sub Codes

Area Codes /


Douglas County - 531-200

Burt County - 531-202

Douglas County - 531-203

Douglas County - 531-205

Lancaster County - 531-289

Douglas County - 531-299

Douglas County - 531-301

Clay County - 531-309

Douglas County - 531-329

Lancaster County - 531-333

Douglas County - 531-365

Douglas County - 531-444

Douglas County - 531-600

Douglas County - 531-622

Lancaster County - 531-739