Ohio Bell is AT&T's local phone company in Ohio.
Ohio Bell was the Bell phone company for most of Ohio and part of the Ameritech group. SBC bought Ameritech in 1999 and took the AT&T name in 2005, so Ohio Bell is AT&T's local phone company there today. NANPA, which runs the North American numbering plan, lists Ohio Bell as the holder of 1,173 prefixes, all in Ohio.
- Name in NANPA's file
- OHIO BELL TEL CO
- What it is
- AT&T's landline company
- Prefixes held
- 1,173 of 198,436 (less than 1%)
- States and territories
- Ohio
- Area codes
- 11
- Pooled prefixes
- 44%, 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 Ohio Bell when the number is a line on AT&T's local phone network.
These are landlines and business lines that AT&T runs under the Ohio Bell name in that area, which is why the lookup does not just say AT&T.
Numbers can also move between carriers, so a lookup reads the number's carrier today, and a number with an Ohio Bell prefix can show another company if it was ported.
All 1,173 prefixes Ohio Bell holds are in Ohio.
- Ohio1,173
Ohio Bell holds prefixes in 11 area codes, and these are its largest.
A call from an Ohio Bell number is not spam just because of the carrier.
Ohio Bell lines belong to homes, offices and public services, 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 Ohio Bell.
What is Ohio Bell?
Ohio Bell was the Bell phone company for most of Ohio and part of the Ameritech group. SBC bought Ameritech in 1999 and took the AT&T name in 2005, so Ohio Bell is AT&T's local phone company there today.
Why does a phone lookup say Ohio Bell?
A lookup shows Ohio Bell when the number is a line on AT&T's local phone network. These are landlines and business lines that AT&T runs under the Ohio Bell name in that area, which is why the lookup does not just say AT&T. Numbers can also move between carriers, so a lookup reads the number's carrier today, and a number with an Ohio Bell prefix can show another company if it was ported.
Is a call from an Ohio Bell number spam?
Ohio Bell lines belong to homes, offices and public services, 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 Ohio Bell hold?
NANPA lists Ohio Bell as the holder of 1,173 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. 44% of these are pooled, so blocks of 1,000 numbers inside them can belong to other carriers.
Which states have the most Ohio Bell prefixes?
All 1,173 prefixes Ohio Bell holds in NANPA's file are in Ohio.
Can I find out who owns an Ohio Bell number?
Ohio Bell 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.