Area Code 531: Nebraska, Nebraska
531 is a telephone area code serving Nebraska. It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 531 are located in Nebraska, United States (NANP region: East).
How to Dial Area Code 531
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 531 XXX-XXXX (10-digit dialing: 531 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 531 XXX XXXX |
| From Australia | 0011 1 531 XXX XXXX |
| From a mobile phone anywhere | +1 531 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 531 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 531
Calls to a 531 number ring in the America/Chicago time zone, standard offset UTC-06:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Note: the western third of the state uses Mountain time, one hour behind; area code 308 spans both sides of that line.
Other Area Codes in Nebraska
These codes also serve Nebraska. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
See all 3 area codes in Nebraska →
Frequently Asked Questions
Where is area code 531?
Area code 531 is in Nebraska, United States. It covers East (overlay).
What time zone is area code 531 in?
Area code 531 rings in the America/Chicago time zone (UTC-06:00 standard).
Do I need to dial 1 before area code 531?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 531, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 531.
Is area code 531 toll-free?
No. 531 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.