Area Code 308

Nebraska

Area code 308 serves Nebraska, primarily Grand Island, in the Central Time (CT) time zone. It has served the region since 01-Jan-1955.

Published: Updated:

Historical Timeline of Area Code 308

Area code 308 was created on July 1, 1954, by splitting Nebraska's original area code 402 along an S-shaped boundary from the South Dakota border to the Kansas border. Western Nebraska received 308 while eastern Nebraska retained 402. The code has undergone no splits or overlays in over 71 years of continuous service, serving western and central Nebraska's agricultural heartland. Its exhaustion date has been projected at 2054, extended significantly from earlier estimates due to thousands-block pooling. Source: Wikipedia

Key milestones:

  • 1947: Nebraska designated as single NPA with area code 402, one of 86 original North American area codes. Source: Wikipedia
  • 1954: Area code 308 created July 1 by splitting NPA 402. Western Nebraska assigned 308; eastern Nebraska retained 402. Source: Wikipedia
  • 2004: Nebraska PSC opens Docket C-3049 investigating solutions to extend the life of area codes 308 and 402. Workshop held July 15, 2004.
  • 2009: Nebraska PSC Case 4152 approved the 531 overlay for area code 402 and ordered open-ended permissive 10-digit dialing for 308. Source: Nebraska PSC
  • 2010: Permissive 10-digit dialing begins for 308 and 402/531 NPAs on June 26. NANPA PL-410 issued September 1, 2010. Source: NANPA PL-410
  • 2011: Mandatory 10-digit dialing for area code 402/area code 531 begins February 26. 531 NPA activated March 26, 2011. 308 retains 7-digit local dialing. Source: NANPA PL-410

Area code 308's stability reflects western Nebraska's low population density and gradual telephone number consumption. The code serves cities including Grand Island, Kearney, North Platte, and Scottsbluff across the state's central and western regions.

Unique Facts About Area Code 308

Area code 308 has several notable characteristics within the North American Numbering Plan. Created in 1954 by splitting Nebraska's original area code 402, it has maintained continuous service without overlays or splits for over 71 years. The code serves a population of approximately 741,000 across western and central Nebraska's agricultural landscape. Source: Wikipedia

  • 71 years of stability with no overlays or splits: Area code 308 has had no splits or overlays since its creation on July 1, 1954. This continuity reflects the region's low population density and steady numbering resource management. Source: Wikipedia
  • Sparsest NPA in the nation: 308 serves a population density of just 3 people per square mile, one of the lowest in the NANP. The code covers western Nebraska's ranching and farming communities across approximately approximately 38,000 square miles. Source: Wikipedia
  • Dual time zone coverage: Area code 308 spans both Central Time (America/Chicago) and Mountain Time (America/Denver). The western panhandle near Wyoming observes Mountain Time while the eastern portion follows Central Time. Source: Wikipedia
  • Exhaust date extended to 2054: The 308 area code's exhaustion was projected at 2033 in 2009 but has been pushed to 2054, a 21-year extension driven by thousands-block pooling that saved 41 NPA-NXX codes and declining landline demand. Source: Nebraska Public Media
  • Open-ended permissive 10-digit dialing: Since June 2010, 308 has open-ended permissive 10-digit dialing but retains 7-digit local dialing. This status differs from the 402/531 NPAs, which require mandatory 10-digit dialing. Source: Nebraska PSC
  • Potential merge candidate: In November 2025, Nebraska PSC discussed merging 308 into the 402/531 overlay as a relief option for eastern Nebraska's exhaust crisis. Commissioner Stocker strongly cautioned against the proposal, citing 308's excess capacity and the disruption it would cause western Nebraska residents. Source: Nebraska Public Media

Thousands-block pooling contributed significantly to 308's longevity. As of the PSC's 2011 annual report, 41 NPA-NXX codes had been saved through pooling, with 325 codes assigned and 449 available out of 800 total prefixes. Source: Nebraska PSC 2011 Annual Report

FCC Regulatory History

Area code 308's regulatory history centers on two key Nebraska PSC proceedings and NANPA planning letters. In 2004, Docket C-3049 investigated extending the life of both 308 and 402. In 2009, Case 4152 approved the 531 overlay for 402 and ordered permissive 10-digit dialing for 308. NANPA PL-410 codified the implementation schedule, with 308 retaining 7-digit local dialing throughout. Source: Nebraska PSC

YearEventDocketRegulatory Action & Impact
2004Investigation openedC-3049Nebraska PSC opened investigation into extending the life of area codes 308 and 402. Workshop held July 15, 2004. Working group formed to evaluate thousands-block pooling outside top 100 MSAs.
2009Overlay approvedCase 4152PSC approved 531 overlay for area code 402 and ordered open-ended permissive 10-digit dialing for 308. 308 retains 7-digit local dialing. Source: Nebraska PSC
2010Permissive dialing beginsPL-410NANPA Planning Letter PL-410 codified the implementation schedule. Permissive 10-digit dialing started June 26, 2010 for both 308 and 402/531. Source: NANPA PL-410
2011531 activatedPL-410Mandatory 10-digit dialing for area code 402/area code 531 began February 26, 2011. 531 NPA activated March 26, 2011. 308 retains 7-digit local dialing. Source: NANPA PL-410
2025Merge discussionPSC ProceedingNebraska PSC discussed merging 308 into the 402/531 overlay as a potential relief option for eastern Nebraska's exhaust crisis. Commissioner Stocker strongly cautioned against the proposal. Source: Nebraska Public Media
Area Code 308 geographic coverage map (light mode)

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 308).

CountyPopulationShare
Hall, NE63,5888.6%
Buffalo, NE51,7637.0%
Kearney, NE48,5506.6%
Lincoln, NE41,5235.6%
Merrick, NE40,6255.5%
Scotts Bluff, NE38,7645.2%
Phelps, NE35,0894.7%
McPherson, NE31,8294.3%
Dawson, NE28,6613.9%
Sioux, NE25,9843.5%
Custer, NE25,6123.5%
Sheridan, NE21,5802.9%
Banner, NE19,0952.6%
Gosper, NE19,0542.6%
Frontier, NE18,0372.4%
Morrill, NE15,0192.0%
Perkins, NE14,2901.9%
Red Willow, NE13,7031.8%
Hayes, NE13,1661.8%
Hitchcock, NE12,6101.7%
Box Butte, NE11,0211.5%
Harlan, NE11,0171.5%
Dawes, NE10,9821.5%
Howard, NE10,5011.4%
Cheyenne, NE9,7101.3%
Keith, NE9,3861.3%
Valley, NE6,4620.9%
Fall River, SD6,4450.9%
Oglala Lakota, SD6,4450.9%
Sherman, NE6,0850.8%
Furnas, NE5,4750.7%
Cherry, NE5,4530.7%
Garfield, NE5,2550.7%
Nance, NE5,0870.7%
Arthur, NE4,9820.7%
Chase, NE4,6040.6%
Garden, NE4,2490.6%
Kimball, NE3,9710.5%
Greeley, NE3,8190.5%
Loup, NE3,7080.5%
Franklin, NE3,1150.4%
Dundy, NE3,0610.4%
Adams, NE2,6480.4%
Deuel, NE2,6250.4%
Logan, NE2,2120.3%
Holt, NE2,1640.3%
Rock, NE2,0870.3%
Thomas, NE1,7080.2%
Polk, NE1,5780.2%
Wheeler, NE1,3770.2%
Boone, NE1,2020.2%
Grant, NE9760.1%
Blaine, NE9680.1%
Hamilton, NE8440.1%
Hooker, NE7070.1%
Sedgwick, CO2550.0%
Webster, NE2210.0%
Decatur, KS1230.0%
Brown, NE910.0%

Call Context

High-volume metropolitan area

This area code covers multiple cities and communities across a broad region in Nebraska. The region spans Central and Mountain time zones.

Nearby Area Codes

Area codes geographically closest to 308.

Other Area Codes in Nebraska

Area codes that also serve Nebraska, linked for easy comparison.

Frequently Asked Questions

Common questions about area code 308 and how phone numbering works.

Phone numbers are assigned based on where the number was originally provisioned, not the caller's current location. Mobile phones retain their number when users move, and businesses may use numbers from regions where they don't have a physical presence. VoIP services can also provision numbers from virtually any area code.

Yes, mobile phones can have numbers from any area code in the region they were activated. Wireless carriers assign numbers from available pools regardless of phone type. When users change carriers or move to new areas, they typically keep their original number, which may have a different area code than their current location.

Start by looking up the area code on this site to understand its general geographic region. For the specific number, options include using your carrier's caller ID features or checking public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register your number with the National Do Not Call Registry to reduce unwanted calls. Keep in mind that caller ID can display any name the caller chooses to set.

While Atlanta is a prominent city in this area code's coverage, the code serves the broader surrounding region as well. Area codes are assigned geographically and typically cover multiple cities, towns, and communities beyond any single anchor city.

Yes, this is one of the original area codes established in 1947 when the North American Numbering Plan (NANP) was created. The initial set of area codes was designed to cover all of North America with a unified dialing system, and many of these original codes remain in use today, though some have been split or received overlays.

The estimated total population served by area code 308 is based on aggregated U.S. Census Bureau data for the counties within this area code. The population varies significantly between dense urban codes serving millions and rural codes covering smaller populations. You can find the specific population figure in the demographics section above.