United States Cellular is the regional mobile network known as UScellular.
United States Cellular, known as UScellular, ran a regional mobile network in the US. T-Mobile bought its wireless business in 2025, and NANPA still lists United States Cellular as the holder of these prefixes. NANPA, which runs the North American numbering plan, lists UScellular as the holder of 1,160 prefixes in 20 states and territories, less than 1% of the 198,436 prefixes it has assigned.
- Name in NANPA's file
- UNITED STATES CELLULAR - WI, and 19 other listings
- What it is
- Mobile network
- Prefixes held
- 1,160 of 198,436 (less than 1%)
- States and territories
- 20 of 56, most in Wisconsin, Iowa and Oklahoma
- Area codes
- 59
- Pooled prefixes
- 100%, shared in blocks of 1,000 numbers
From NANPA's central office code file of October 1, 2026. A prefix is the three digits after the area code.
You can check which carrier a number is on today, for free.
Enter the full number to see its carrier now, which may not be UScellular if the number was ported. It is the same free check as our carrier lookup. To see whether it is a mobile, landline or VoIP line, use the line type lookup, and to see who it is listed to, the who called me lookup.
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A lookup shows UScellular when the number is a mobile number NANPA still lists under United States Cellular.
Carrier records use a company's legal or historic name, so a lookup can show United States Cellular while the person's bill says UScellular.
Numbers can also move between carriers, so a lookup reads the number's carrier today, and a number with a UScellular prefix can show another company if it was ported.
UScellular holds the most prefixes in Wisconsin: 210 of its 1,160.
- Wisconsin210
- Iowa175
- Oklahoma121
- North Carolina92
- Illinois69
- Virginia59
- Missouri58
- Nebraska52
Plus 324 prefixes in 12 more states and territories.
UScellular holds prefixes in 59 area codes, and these are its largest.
Of the prefixes NANPA dates, UScellular received the most in 2025: 122.
NANPA's file gives an assignment date for 393 of UScellular's 1,160 prefixes, all from 2001 on. The rest have no date in the file.
A call from a UScellular number is not spam just because of the carrier.
Numbers on mobile networks like this one belong to millions of ordinary people and businesses, so the carrier name says nothing about who is calling.
Caller ID can also be faked, so judge the call by what the caller asks for, never by the carrier name.
Check the full number with our free spam phone checker before you call back.
These are the questions people ask about UScellular.
What is United States Cellular?
United States Cellular, known as UScellular, ran a regional mobile network in the US. T-Mobile bought its wireless business in 2025, and NANPA still lists United States Cellular as the holder of these prefixes.
Why does a phone lookup say UScellular?
A lookup shows UScellular when the number is a mobile number NANPA still lists under United States Cellular. Carrier records use a company's legal or historic name, so a lookup can show United States Cellular while the person's bill says UScellular. Numbers can also move between carriers, so a lookup reads the number's carrier today, and a number with a UScellular prefix can show another company if it was ported.
Is a call from a UScellular number spam?
Numbers on mobile networks like this one belong to millions of ordinary people and businesses, so the carrier name says nothing about who is calling. Caller ID can also be faked, so judge the call by what the caller asks for, never by the carrier name. Check the full number with our free spam phone checker before you call back.
How many phone prefixes does UScellular hold?
NANPA lists UScellular as the holder of 1,160 prefixes, less than 1% of all assigned US prefixes. A prefix is the three digits after the area code and covers up to 10,000 numbers. 100% of these are pooled, so blocks of 1,000 numbers inside them can belong to other carriers.
Which states have the most UScellular prefixes?
Wisconsin (210), Iowa (175) and Oklahoma (121) have the most, out of 20 states and territories.
Can I find out who owns a UScellular number?
UScellular does not publish who uses its numbers. Our free who called me lookup shows who a US number is listed to and the city and state on the listing, when the number has a listing.
Source: NANPA, the North American Numbering Plan Administrator: its central office code assignments, as of October 1, 2026. Company histories are from public records and each company's own descriptions.