CallataGuidesGet a local business phone number in Louisville/Jefferson County, KY
Louisville/Jefferson County's area code, prefixes and carriers from NANPA records, and how to put a Louisville/Jefferson County number in front of your customers.
- Area code
- 502
- Exchanges
- 400NANPA-assigned
- Carriers
- 45
- Population
- 640,796Census 2024 est.
What area code is Louisville/Jefferson County, KY?
Louisville/Jefferson County metro government (balance) is a Census place in Jefferson County, Kentucky, with an estimated 640,796 residents in 2024. All 400 exchanges NANPA lists for its rate center are in area code 502. 502 is part of an overlay with 761, so a new local number in Louisville/Jefferson County may carry any of those codes depending on which have numbers available. Louisville/Jefferson County is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 502 are dialed as seven digits and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 502 | 400 | 100% | 1947 | 761 | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds Louisville/Jefferson County phone exchanges
45 carriers hold the 400 exchanges assigned to Louisville/Jefferson County's rate center. Bellsouth Telecomm INC d/b/a South Central Bell Tel has the most, with 131. 225 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 |
|---|---|---|
| Bellsouth Telecomm INC d/b/a South Central Bell Tel | 131 | 33% |
| New Cingular Wireless PCS, LLC - Ga | 55 | 14% |
| Powertel Kentucky Licenses, INC. | 35 | 8.8% |
| Cellco Partnership d/b/a Verizon Wireless - KY | 32 | 8.0% |
| Metropcs, INC. | 22 | 5.5% |
| Level 3 Communications, LLC - KY | 16 | 4.0% |
| Onvoy, LLC - KY | 14 | 3.5% |
| Teleport Communications America, LLC - KY | 12 | 3.0% |
| Paetec Itel, LLC | 9 | 2.3% |
| American Messaging Services, LLC | 8 | 2.0% |
| Spok, INC. | 8 | 2.0% |
| Level 3 Telecom of Kentucky, LLC - KY | 7 | 1.8% |
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.
Louisville/Jefferson County phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Louisville/Jefferson County's rate center (LOUISVILLE). The earliest assignment date recorded in the file for these codes is 2001. 42 of the 400 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 502 | 200, 202, 207, 208, 210, 212, 213, 214, 216, 217, 224, 228, 231, 235, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 253, 254, 259, 261, 262, 263, 266, 267, 270, 271, 272, 276, 279, 287, 290, 291, 292, 295, 296, 297, 298, 299, 301, 302, 303, 305, 308, 309, 313, 314, 315, 318, 322, 326, 327, 329, 332, 333, 336, 338, 339, 340, 341, 342, 344, 345, 346, 356, 357, 359, 361, 362, 363, 364, 365, 366, 367, 368, 371, 372, 374, 375, 376, 377, 379, 380, 381, 384, 386, 387, 389, 392, 394, 396, 397, 398, 400, 403, 407, 408, 409, 410, 412, 413, 415, 416, 417, 418, 419, 420, 421, 423, 424, 425, 426, 429, 432, 434, 435, 436, 438, 439, 442, 445, 446, 447, 448, 449, 450, 451, 452, 454, 455, 456, 457, 458, 459, 464, 468, 470, 471, 472, 473, 475, 476, 478, 479, 485, 489, 491, 493, 494, 495, 498, 499, 500, 508, 509, 515, 522, 523, 526, 528, 533, 536, 537, 539, 540, 541, 544, 546, 548, 550, 551, 552, 553, 554, 558, 559, 560, 561, 562, 566, 567, 568, 569, 571, 572, 574, 576, 579, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 592, 593, 594, 595, 596, 599, 608, 609, 612, 614, 615, 618, 619, 620, 621, 625, 627, 629, 630, 631, 632, 634, 635, 636, 637, 638, 639, 640, 641, 643, 644, 645, 648, 649, 650 |
First 240 of 400 prefixes. Source: NANPA.
When Louisville/Jefferson County's exchanges were assigned
The table groups Louisville/Jefferson County's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 58 | 37% |
| 2010s | 56 | 36% |
| 2020s | 42 | 27% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Louisville/Jefferson County
What a caller sees as "local" is the area code plus prefix. In Louisville/Jefferson County, those come from the LOUISVILLE rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 502 numbers available change over time; porting an existing number is free.
Who does business near Louisville/Jefferson County
Louisville/Jefferson County is part of the Louisville/Jefferson County, KY-IN metro area, home to 1.4 million people in 2024. County Business Patterns counted 31,628 business establishments in the Louisville, KY-IN metro area in 2023, employing 648,726 people. The largest sectors by establishment count are health care and social assistance (4,180), retail trade (4,154), and professional, scientific, and technical services (3,251).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 1,062 | 25,018 | 23.6 |
| Physician practices | 972 | 16,394 | 16.9 |
| Full-service restaurants | 920 | 23,777 | 25.8 |
| Offices of real estate agents and brokers | 695 | 1,331 | 1.9 |
| Insurance agencies and brokerages | 676 | 4,097 | 6.1 |
| Law offices | 618 | 3,919 | 6.3 |
| Dental offices | 502 | 3,650 | 7.3 |
| Landscaping services | 471 | 2,822 | 6.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Louisville/Jefferson County business line
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
Porting a number you already use in Louisville/Jefferson County is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
A 21-person team is the benchmark here, the rounded average establishment size in the Louisville, KY-IN metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $630.00 a month and Ooma Office Pro $523.95. Callata comes to $419.00 a month for 21 users ($99 a month with 5 users included, then $20 per additional user), below both.
| 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 Louisville/Jefferson County, KY?
502. All exchanges NANPA lists for Louisville/Jefferson County are in 502.
How many phone companies have exchanges in Louisville/Jefferson County?
45, holding 400 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Louisville/Jefferson County 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 Louisville/Jefferson County?
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).