CallataGuidesGet a local business phone number in Cincinnati, OH
Cincinnati's area codes, prefixes and carriers from NANPA records, and how to put a Cincinnati number in front of your customers.
- Area code
- 513 / 283
- Exchanges
- 516NANPA-assigned
- Carriers
- 40
- Population
- 314,915Census 2024 est.
Area codes in Cincinnati
Cincinnati, in Hamilton County, Ohio, had a Census-estimated population of 314,915 in July 2024. NANPA lists 516 exchanges for its rate center across 2 area codes; 513 has the most (502, 97%). 513 is part of an overlay with 283, so a new local number in Cincinnati may carry any of those codes depending on which have numbers available. Cincinnati is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 513 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in Cincinnati
40 carriers hold the 516 exchanges assigned to Cincinnati's rate center. Cincinnati Bell has the most, with 189. 252 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Cincinnati Bell | 189 | 37% |
| Cellco Partnership d/b/a Verizon Wireless - Oh | 105 | 20% |
| T-mobile USA, INC. | 64 | 12% |
| New Cingular Wireless PCS, LLC - Il | 47 | 9.1% |
| Onvoy, LLC - Oh | 17 | 3.3% |
| Spok, INC. | 16 | 3.1% |
| Level 3 Communications, LLC - Oh | 10 | 1.9% |
| American Messaging Services, LLC | 6 | 1.2% |
| Level 3 Telecom of Ohio, LLC - Oh | 6 | 1.2% |
| Teleport Communications America, LLC - Oh | 6 | 1.2% |
| Bandwidth.com CLEC, LLC - Oh | 4 | 0.78% |
| Metropcs, INC. | 4 | 0.78% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Exchanges (NPA-NXX) assigned in Cincinnati
These are the central office codes NANPA records for Cincinnati. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 33 of the 516 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 283 | 203, 209, 220, 222, 223, 224, 227, 229, 230, 235, 237, 238, 283, 333 |
| 513 | 200, 203, 205, 206, 207, 208, 209, 210, 212, 213, 214, 215, 218, 219, 220, 221, 222, 223, 225, 226, 227, 230, 231, 232, 233, 235, 236, 237, 238, 240, 241, 242, 243, 244, 245, 246, 247, 249, 250, 251, 252, 253, 254, 256, 257, 258, 259, 260, 262, 263, 264, 265, 266, 269, 271, 272, 276, 277, 281, 283, 284, 287, 288, 289, 290, 293, 295, 297, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 312, 313, 314, 315, 316, 317, 319, 321, 322, 324, 325, 326, 328, 329, 332, 333, 335, 337, 338, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 356, 357, 358, 359, 361, 362, 363, 364, 365, 366, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 394, 395, 396, 397, 399, 400, 401, 403, 404, 405, 406, 407, 408, 410, 412, 413, 414, 415, 417, 418, 419, 421, 426, 429, 430, 431, 432, 439, 440, 441, 442, 446, 448, 451, 455, 458, 460, 462, 467, 469, 470, 471, 473, 474, 475, 476, 477, 478, 479, 481, 482, 483, 484, 485, 487, 488, 489, 490, 493, 497, 498, 500, 501, 502, 503, 504, 505, 507, 508, 509, 510, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 526 |
First 240 of 516 prefixes. Source: NANPA.
When Cincinnati's exchanges were assigned
Assignment dates show when each block of Cincinnati numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 39 | 25% |
| 2010s | 84 | 54% |
| 2020s | 33 | 21% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Cincinnati
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Cincinnati's numbers are rated to the CINCINNATI rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Cincinnati number.
New local numbers are drawn from carrier inventory, so the exact 513 numbers available change over time; porting an existing number is free.
The local business market
Cincinnati is part of the Cincinnati, OH-KY-IN metro area, home to 2.3 million people in 2024. County Business Patterns counted 48,255 business establishments in the Cincinnati, OH-KY-IN metro area in 2023, employing 1,030,698 people. The largest sectors by establishment count are retail trade (6,169), health care and social assistance (5,605), and accommodation and food services (4,958).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 1,896 | 39,771 | 21.0 |
| Full-service restaurants | 1,601 | 43,114 | 26.9 |
| Physician practices | 1,003 | 21,885 | 21.8 |
| Offices of real estate agents and brokers | 801 | 1,903 | 2.4 |
| Landscaping services | 797 | 6,520 | 8.2 |
| Insurance agencies and brokerages | 782 | 4,447 | 5.7 |
| Law offices | 749 | 5,610 | 7.5 |
| Dental offices | 745 | 6,356 | 8.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Cincinnati
For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.
If you already have a number in Cincinnati, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
The comparison below uses 21 users, the rounded average establishment size in the Cincinnati, OH-KY-IN metro area. At list prices checked September 28, 2026, that is $523.95 a month on Ooma Office Pro and $630.00 on RingCentral RingEX Core. On Callata the same 21 people cost $419.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $419.00 | $5,028.00 |
| Quo (Starter) | $19.00 per user | $399.00 | $4,788.00 |
| Nextiva (Core) | $23.00 per user | $483.00 | $5,796.00 |
| Ooma (Office Pro) | $24.95 per user | $523.95 | $6,287.40 |
| Dialpad (Standard) | $27.00 per user | $567.00 | $6,804.00 |
| RingCentral (RingEX Core) | $30.00 per user | $630.00 | $7,560.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is Cincinnati, OH?
Cincinnati has exchanges in 513 and 283; 513 has the most.
How many phone companies have exchanges in Cincinnati?
40, holding 516 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Cincinnati business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in Cincinnati?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 21 users come to $419.00 a month. For comparison, 21 users on RingCentral RingEX Core list at $630.00 a month (checked September 28, 2026).