Area code 308 – Nebraska
308 has served Nebraska since 1955. 465 of its 786 number blocks are allocated (59%). Other CLEC / VoIP is the largest holder with 35.7% of blocks, ahead of Lumen / CenturyLink at 17.0%. Spam complaints are comparatively rare: 213 in the 33 days to 30 October 2026, 336th of the 422 codes with five or more complaints. Numbers are spread across 167 rate centers, which is typical of a mostly rural code.
- State
- Nebraska
- In service since
- 1955
- Time zone
- Central, Mountain
- Shares area with
- No overlay
Who holds 308 number blocks
Share of the 465 assigned NXX blocks (59.2% of the 786 possible), across 64 carriers. This is share of number blocks, not of subscribers.
- Other CLEC / VoIP33.1%
- Lumen17%
- AT&T13.3%
- Verizon12%
- Frontier6%
- Consolidated4.9%
- Onvoy4.5%
- Charter4.3%
- T-Mobile1.7%
- Windstream0.9%
- Bandwidth0.9%
- Dish0.4%
- Comcast0.2%
- Telnyx0.2%
- Vonage0.2%
- Twilio0.2%
Spam complaints naming 308
FTC Do Not Call complaints where the caller ID was a 308 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 308
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 167.
Timeline
- 1955 308 goes into service in Nebraska.
More about 308
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 308
What state is area code 308?
Nebraska.
Is a call from 308 a scam?
Not by itself. 308 drew 213 FTC complaints in the 33 days to 30 October 2026, 336th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.
Which carrier owns 308 numbers?
Other CLEC / VoIP holds the largest share of assigned number blocks at 35.7%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 308?
No. NANPA records 308 as 7-digit dialing for local calls.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “7D”. Reviewed by the data desk. Spotted an error? Request a correction.