Omnipoint Communications is an old name for part of T-Mobile's mobile network.
Omnipoint ran one of the first GSM mobile networks in the US, starting in the New York area. VoiceStream Wireless bought Omnipoint in 2000, and VoiceStream became T-Mobile USA in 2002, so Omnipoint prefixes are T-Mobile's today. NANPA, which runs the North American numbering plan, lists Omnipoint as the holder of 4,885 prefixes in 20 states and territories, 2.5% of the 198,436 prefixes it has assigned.
- Name in NANPA's file
- OMNIPOINT COMMUNICATIONS, INC. - NY, and 6 other listings
- What it is
- Mobile network
- Prefixes held
- 4,885 of 198,436 (2.5%)
- States and territories
- 20 of 56, most in New York, Florida and Michigan
- Area codes
- 114
- Pooled prefixes
- 89%, 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.
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A lookup shows Omnipoint when the number is on T-Mobile's mobile network.
Carrier records use a company's legal or historic name, so a lookup can show Omnipoint Communications while the person's bill says T-Mobile.
Numbers can also move between carriers, so a lookup reads the number's carrier today, and a number with an Omnipoint prefix can show another company if it was ported.
Omnipoint holds the most prefixes in New York: 1,279 of its 4,885.
- New York1,279
- Florida643
- Michigan564
- New Jersey491
- Virginia375
- Maryland344
- Pennsylvania303
- Massachusetts271
Plus 615 prefixes in 12 more states and territories.
Omnipoint holds prefixes in 114 area codes, and these are its largest.
Of the prefixes NANPA dates, Omnipoint received the most in 2001: 490.
NANPA's file gives an assignment date for 3,153 of Omnipoint's 4,885 prefixes, all from 2001 on. The rest have no date in the file.
A call from an Omnipoint 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.
You can read about 5 more carrier names here.
These are the questions people ask about Omnipoint.
What is Omnipoint Communications?
Omnipoint ran one of the first GSM mobile networks in the US, starting in the New York area. VoiceStream Wireless bought Omnipoint in 2000, and VoiceStream became T-Mobile USA in 2002, so Omnipoint prefixes are T-Mobile's today.
Why does a phone lookup say Omnipoint?
A lookup shows Omnipoint when the number is on T-Mobile's mobile network. Carrier records use a company's legal or historic name, so a lookup can show Omnipoint Communications while the person's bill says T-Mobile. Numbers can also move between carriers, so a lookup reads the number's carrier today, and a number with an Omnipoint prefix can show another company if it was ported.
Is a call from an Omnipoint 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 Omnipoint hold?
NANPA lists Omnipoint as the holder of 4,885 prefixes, 2.5% of all assigned US prefixes. A prefix is the three digits after the area code and covers up to 10,000 numbers. 89% of these are pooled, so blocks of 1,000 numbers inside them can belong to other carriers.
Which states have the most Omnipoint prefixes?
New York (1,279), Florida (643) and Michigan (564) have the most, out of 20 states and territories.
Can I find out who owns an Omnipoint number?
Omnipoint 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.