Nebraska 지역 코드: 531
Note：531 지역 번호는 다음과 같습니다 Nebraska, 미국. 국제 전화 번호는 001531 or 001-531、0010531、+1-531、+1+531、+1531、00-1-531、00 1 531.
More About Area Code 531
Area Code 531 was first put in service March 26, 2011. Currently, the largest city it serves is Omaha, NE, and it overlaps coverage areas with area code 402.
Active Phone Number Prefixes
| Prefix | Usage | Primary City | Carrier |
| (531) 333- | Landline | Lincoln | Centurylink Communications LLC |