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Area code 531

Area code 531 covers Omaha, Nebraska. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Nebraska Major City: Omaha Central Time (CT) Overlay: 402/531
01 / WHERE IT IS

Where is area code 531?

Area code 531 is assigned to Omaha and the surrounding region in Nebraska. Calls to numbers that start with 531 are routed to this area.

Area code 531 shares its territory with 402. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Douglas CountyLancaster CountyHamilton CountyPlatte CountyCass CountyColfax CountyOtoe CountySaunders CountyMadison CountyDodge County

Line types

  • Mobile 34.1%
  • Landline 65.9%
02 / MAP

Area code 531 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Omaha

This area code is in the Central Time (CT) time zone.

Local timeOmaha, NE--:--:--

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America/ChicagoLive
04 / HOW TO DIAL

How to call Omaha

WITHIN THE US531 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 531 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 531 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 531 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 531 555 0123
🇦🇺Australia0011 1 531 555 0123
🇯🇵Japan010 1 531 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 531

Share of the number blocks by carrier and line type.

Landline

Sinch
37%
AT&T
12%
Lumen Technologies
8%
ALLO COMMUNICATIONS
5%
Bandwidth
4%
Others
34%

Mobile

Verizon Wireless
27%
AT&T Mobility
26%
T-Mobile USA
19%
UScellular
17%
Boost Mobile
3%
Others
8%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 531

261 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(531) 200 Landline Omaha SinchONVOY, LLC - NE
(531) 201 Landline Omaha SinchONVOY, LLC - NE
(531) 202 Landline Oakland TelnyxTELNYX LLC
(531) 203 Mobile Omaha Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE
(531) 204 Landline Norfolk SinchONVOY, LLC - NE
(531) 205 Mobile Omaha Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE
(531) 206 Mobile Ainsworth UScellularUNITED STATES CELLULAR - NE
(531) 207 Landline Lincoln SpectrumTWC IP ENABLED SERVICES, LLC
(531) 208 Landline Atkinson SinchONVOY, LLC - NE
(531) 209 Mobile Blair Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE

Showing 10 of 261 prefixes

07 / FAQ

Frequently asked questions about area code 531

Where is area code 531 used?
Area code 531 serves Omaha and the surrounding area in Nebraska, including Douglas County, Lancaster County, Hamilton County, Platte County, Cass County.
What city is area code 531 from?
The main city of area code 531 is Omaha, NE.
What time zone is area code 531 in?
Area code 531 is in the Central Time (CT) time zone (America/Chicago).
Is 531 an overlay area code?
Yes. It shares its territory with 402. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 531 from the United States?
Dial the 10 digits: 531 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 531 number from another country?
Dial your country's exit code (or +), then 1, then 531 and the seven-digit number. From a mobile you can use +1 531 XXX XXXX.
Which carriers use area code 531?
Most landline blocks belong to Sinch and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 531 for landlines, mobiles or both?
Both. About 65.9% of the number blocks are landline, 34.1% mobile.
How do I save a 531 number in WhatsApp or my phone?
Save it in international format: +1 531 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 531?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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Other area codes in Nebraska

308 · Grand Island402 · Omaha

View all Nebraska area codes →