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Area code 531

Area code 531 Omaha, Nebraska

Area code 531 is in Nebraska, with numbers assigned in Omaha, Lincoln, Aurora and 99 more places. It’s 11:14 PM there now.

State
Nebraska3 area codes in Nebraska
Time zone
Central11:14 PM there now
Exchanges
266102 places
Overlay
402Same area, 10-digit dialing
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Where area code 531 is

Numbers in 531 are assigned to 102 places in 44 counties: Douglas County, Lancaster County, Platte County, Hamilton County, Colfax County, Cass County, plus 38 more.

Omaha has the most, 31% of the exchanges; the rest are spread across 101 other places.

  • Omaha83
  • Lincoln25
  • Aurora10
  • Fremont5
  • Columbus5
  • South Sioux City4
  • Oakland3
  • Norfolk3
  • Ainsworth3
  • Schuyler3
  • Plattsmouth3
  • Howells3
  • Creston3
  • Valentine3
  • Wayne3
  • West Point3
  • Atkinson2
  • Blair2
  • Pilger2
  • Auburn2
  • Clarkson2
  • Pender2
  • Randolph2
  • Ashland2

Phone companies in 531

266 blocks of numbers in 531 are held by 37 phone companies. The most belong to Inteliquent (64), AT&T Mobility (24) and Verizon Wireless (23).

A large share, about 67%, belongs to competitive and internet phone carriers; wireless networks hold 27% and local phone and cable companies 5%.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

531 went into service in 2011, added to the area of 402.

402 (since 1947) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

156 new exchanges were assigned since 2021, the latest in October 2026.

Calling 531

It’s 11:14 PM Central time in 531 right now.

From elsewhere in the U.S., dial 1, 531 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Nebraska has 3 area codes: 308, 402 and 531.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 531 area code

Map of the 531 area code around Omaha, Lincoln and Aurora, Nebraska.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 531

Where is area code 531?

In Nebraska, covering Omaha, Lincoln and Aurora and other places across 44 counties.

What time zone is 531 in?

Central time. It was 11:14 PM there when this page loaded.

Is 531 an overlay?

Yes. 402 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 531 numbers?

37 companies hold blocks; the most belong to Inteliquent, AT&T Mobility and Verizon Wireless. About 27% of blocks are wireless.

Is 531 running out of numbers?

Not on record. 156 new exchanges have been assigned since 2021.