Area code 308: Nebraska
Area code 308 is a US state area code for Nebraska, on Central Time and Mountain Time. It has 463 prefixes in service across 167 rate centers, the largest being Grand Island, Kearney and Scottsbluff. NANPA lists no overlay code for it. Local calls there take 7 digits.
Local time in area code 308
America/Chicago
America/Denver
Prefixes in service
463 of 792 possible
167 rate centers
Area code 308 facts
| Location | Nebraska, United States |
|---|---|
| Time zones | Central Time and Mountain Time |
| Overlays | None |
| In service since | January 1, 1955 |
| Local calls | 7 digits; toll calls 1 + 10 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
Which cities and towns use area code 308?
NANPA records each prefix against a rate center, the local billing area a number belongs to, usually named after its main town. These are the 308 rate centers with the most prefixes in service. 155 smaller ones aren't listed.
| Rate center | Prefixes |
|---|---|
| Grand Island | 40 |
| Kearney | 20 |
| Scottsbluff | 17 |
| North Platte | 16 |
| Mccook | 8 |
| Lexington | 8 |
| Sidney | 6 |
| North Julesburg | 6 |
| Minden | 6 |
| Alliance | 6 |
| Thedford | 6 |
| Chadron | 5 |
Source: NANPA central office code assignments, file dated 10/17/2026. Each prefix holds up to 10,000 numbers.
How do I dial a 308 number?
NANPA's dialling plan for 308: local calls inside the code take 7 digits, toll calls 1 + 10 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 308 | 555-0147 |
|---|---|
| From another US or Canadian area code | 1-308-555-0147 |
| From outside North America | +1 308 555 0147 |
| E.164, for CRMs and SMS tools | +13085550147 |
When did area code 308 start?
Area code 308 went into service on January 1, 1955. It has no overlay, so every number in its area still starts with it.
Tools for 308 numbers
- Area code lookup
Look up any code or a whole list of numbers, or find the codes for a state or city.
- Area code time zone
Local time for a list of numbers, with a callable-now flag.
- NPA-NXX lookup
Rate center and state for one prefix, a level below the area code.
- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 308 number tells you where it was issued, not what it is now.
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Area code 308 questions
- What state is area code 308?
- Area code 308 is in Nebraska, United States. Its largest rate centers by number of prefixes are Grand Island, Kearney, Scottsbluff, North Platte and Mccook.
- What time zone is area code 308 in?
- Central Time and Mountain Time. The code crosses a time zone line, so the local time depends on where in the area the number was issued.
- Does area code 308 have an overlay?
- Not as of NANPA's file dated 10/16/2026. Every number in its area uses 308.
- When did area code 308 start?
- Area code 308 went into service on January 1, 1955.
- Is a 308 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
- How many phone numbers does area code 308 have?
- 463 of its 792 possible prefixes are in service, and each prefix holds up to 10,000 numbers. That counts prefixes assigned to carriers, not numbers in use.
Other area codes in Nebraska
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and rate centers: NANPA central office code assignments, 10/17/2026. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.