Area Code 531
Nebraska
Area code 531 serves Nebraska, primarily Omaha, in the Central Time (CT) time zone. It is an overlay area code sharing territory with area code 402.
Overlay Area Code
This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.
This area code shares its geographic region with: area code 402 (Omaha).
In service since: 26-Mar-2011
Demographics & Economics
- Total Population
- 2,210,558
- Population Density
- 31 people/sq mibelow U.S. average (U.S.: 93 people/sq mi)
- Median Household Income
- $79,081near U.S. median (U.S.: $75,144)
- Poverty Rate
- 9.7%below U.S. average (U.S.: 11.5%)
- Unemployment Rate
- 2.9%below U.S. average (U.S.: 3.6%)
- Education Attainment
- Bachelor's Degree+33.7%near U.S. average (U.S.: 33.7%)High School or Lower29.4%
Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.
See how this area code compares to all US area codes in the Statistics dashboard.
Time Zone
- Central Time (CT)
NANPA Relief Status
According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.
Source: NANPA NPA Relief Planning Reports · See all relief planning statuses
Current Time
Prefix Utilization
Geographic Coverage
State
NE
Major Cities
- Omaha
- Lincoln
- Bellevue
- Fremont
- Norfolk
- Hastings
- Columbus
- Papillion
- La Vista
- Beatrice
- Chalco
- Gretna
- York
- Blair
- Seward
- Crete
- Plattsmouth
- Schuyler
- Ralston
- Wayne
- Offutt AFB
- Wahoo
- Aurora
- Waverly
and 368 more cities
Demographics
The estimated population served by area code 531 is approximately 2,210,558. The population density is 31 people per square mile, which is lower than the national average of 93. The median household income is $79,081, which is near the national median of $75,144. Approximately 33.7% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is near the national average. The poverty rate stands at 9.7%, which is lower than the national rate of 11.5%.
History
Area code 531 serves as an overlay for the same territory as area code 402. It was introduced in 2011 to provide additional phone number capacity for the region. It shares its territory with area code area code 402.
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 531).
| County | Population | Share |
|---|---|---|
| Douglas, NE | 604,250 | 27.3% |
| Lancaster, NE | 340,727 | 15.4% |
| Sarpy, NE | 198,000 | 9.0% |
| Washington, NE | 108,433 | 4.9% |
| Saunders, NE | 58,913 | 2.7% |
| Dodge, NE | 49,836 | 2.3% |
| Stanton, NE | 43,568 | 2.0% |
| Colfax, NE | 42,461 | 1.9% |
| Pierce, NE | 41,975 | 1.9% |
| Madison, NE | 41,541 | 1.9% |
| Butler, NE | 41,394 | 1.9% |
| Cass, NE | 40,886 | 1.8% |
| Platte, NE | 39,841 | 1.8% |
| Clay, NE | 39,420 | 1.8% |
| Polk, NE | 36,629 | 1.7% |
| Adams, NE | 34,381 | 1.6% |
| Seward, NE | 31,982 | 1.4% |
| Hall, NE | 29,845 | 1.4% |
| Gage, NE | 28,325 | 1.3% |
| Otoe, NE | 25,441 | 1.2% |
| Dakota, NE | 23,690 | 1.1% |
| Jefferson, NE | 23,173 | 1.0% |
| Wayne, NE | 22,108 | 1.0% |
| Saline, NE | 21,775 | 1.0% |
| York, NE | 21,445 | 1.0% |
| Cuming, NE | 17,939 | 0.8% |
| Dixon, NE | 17,863 | 0.8% |
| Hamilton, NE | 17,030 | 0.8% |
| Knox, NE | 15,893 | 0.7% |
| Holt, NE | 12,361 | 0.6% |
| Cedar, NE | 12,189 | 0.6% |
| Thurston, NE | 11,523 | 0.5% |
| Antelope, NE | 11,121 | 0.5% |
| Fillmore, NE | 10,261 | 0.5% |
| Nemaha, NE | 9,690 | 0.4% |
| Burt, NE | 8,610 | 0.4% |
| Richardson, NE | 8,082 | 0.4% |
| Johnson, NE | 7,595 | 0.3% |
| Boone, NE | 7,278 | 0.3% |
| Thayer, NE | 6,036 | 0.3% |
| Nuckolls, NE | 6,035 | 0.3% |
| Cherry, NE | 5,284 | 0.2% |
| Todd, SD | 4,607 | 0.2% |
| Pawnee, NE | 4,317 | 0.2% |
| Webster, NE | 4,303 | 0.2% |
| Brown, NE | 3,913 | 0.2% |
| Wheeler, NE | 2,723 | 0.1% |
| Jewell, KS | 2,382 | 0.1% |
| Rock, NE | 2,043 | 0.1% |
| Nance, NE | 2,038 | 0.1% |
| Boyd, NE | 1,787 | 0.1% |
| Kearney, NE | 1,469 | 0.1% |
| Nemaha, KS | 1,230 | 0.1% |
| Keya Paha, NE | 1,146 | 0.1% |
| Loup, NE | 1,139 | 0.1% |
| Buffalo, NE | 1,108 | 0.1% |
| Republic, KS | 680 | 0.0% |
| Gregory, SD | 483 | 0.0% |
| Franklin, NE | 361 | 0.0% |
Area Code 531 Family Tree
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Area code 531 was originally assigned in 26-Mar-2011 to serve NE.
Call Context
This area code covers a geographic region across NE, including Omaha and surrounding communities.
Nearby Area Codes
Area codes geographically closest to 531.
Other Area Codes in Nebraska
Area codes that also serve Nebraska, linked for easy comparison.