Get a local business phone number in Greensboro, NC
Greensboro's area codes, prefixes and carriers from NANPA records, and how to put a Greensboro number in front of your customers.
- Area code
- 336 / 743
- Exchanges
- 209NANPA-assigned
- Carriers
- 43
- Population
- 307,381Census 2024 est.
Area codes in Greensboro
Greensboro, in Guilford County, North Carolina, had a Census-estimated population of 307,381 in July 2024. NANPA lists 209 exchanges for its rate center across 2 area codes; 336 has the most (188, 90%). 336 is part of an overlay with 743, so a new local number in Greensboro may carry any of those codes depending on which have numbers available. Greensboro is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 336 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Who holds Greensboro phone exchanges
43 carriers hold the 209 exchanges assigned to Greensboro's rate center. Bellsouth Telecomm INC d/b/a Southern Bell Tel & Tel has the most, with 65. 139 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Bellsouth Telecomm INC d/b/a Southern Bell Tel & Tel | 65 | 31% |
| Suncom d/b/a T-mobile USA | 24 | 11% |
| Cellco Partnership d/b/a Verizon Wireless - NC | 23 | 11% |
| Paetec Itel, LLC | 15 | 7.2% |
| Onvoy, LLC - NC | 10 | 4.8% |
| New Cingular Wireless PCS, LLC - Ga | 9 | 4.3% |
| Level 3 Telecom of North Carolina, LP - NC | 6 | 2.9% |
| Teleport Communications America, LLC - NC | 6 | 2.9% |
| Spok, INC. | 5 | 2.4% |
| Level 3 Communications, LLC - NC | 4 | 1.9% |
| Mcimetro Access Transmission Services LLC - NC | 3 | 1.4% |
| Centurylink Communications LLC - NC | 2 | 0.96% |
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.
Local prefixes for Greensboro
These are the central office codes NANPA records for Greensboro. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 17 of the 209 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 336 | 202, 203, 207, 209, 210, 215, 216, 217, 218, 230, 232, 235, 252, 253, 254, 255, 256, 265, 268, 271, 272, 273, 274, 275, 279, 282, 285, 286, 288, 291, 292, 294, 297, 299, 303, 312, 314, 315, 316, 317, 319, 321, 323, 324, 327, 332, 333, 334, 335, 337, 338, 339, 340, 346, 355, 358, 362, 365, 369, 370, 373, 375, 378, 379, 382, 383, 387, 389, 392, 393, 398, 402, 404, 405, 412, 419, 420, 424, 430, 433, 450, 451, 455, 456, 457, 458, 478, 482, 487, 500, 501, 508, 509, 510, 517, 522, 533, 540, 541, 542, 543, 544, 545, 547, 549, 550, 553, 554, 556, 558, 574, 579, 580, 587, 601, 604, 605, 609, 615, 617, 621, 632, 638, 641, 645, 646, 660, 662, 663, 664, 665, 668, 669, 674, 676, 678, 680, 681, 686, 690, 691, 697, 698, 706, 707, 708, 709, 740, 743, 763, 772, 790, 805, 808, 809, 814, 825, 832, 833, 834, 840, 851, 852, 854, 855, 856, 860, 868, 890, 894, 895, 897, 898, 900, 907, 908, 912, 913, 931, 935, 937, 938, 944, 954, 962, 965, 987, 988 |
| 743 | 209, 222, 223, 229, 230, 235, 242, 249, 258, 281, 286, 287, 289, 413, 433, 643, 666, 867, 895, 902, 910 |
Source: NANPA utilized central office code file.
When Greensboro's exchanges were assigned
Assignment dates show when each block of Greensboro numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 19 | 28% |
| 2010s | 31 | 46% |
| 2020s | 17 | 25% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Greensboro
NANPA ties every exchange to a rate center. For Greensboro that is GREENSBORO, so a number from one of these exchanges reads as local to people in and around Greensboro.
Keeping an existing Greensboro number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 336 when you pick it.
The local business market
Greensboro is part of the Greensboro-High Point, NC metro area, home to 801,000 people in 2024. County Business Patterns counted 18,589 business establishments in the Greensboro, NC metro area in 2023, employing 324,893 people. The largest sectors by establishment count are retail trade (2,563), other services (except public administration) (1,911), and construction (1,863).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 649 | 14,230 | 21.9 |
| Full-service restaurants | 591 | 12,434 | 21.0 |
| Offices of real estate agents and brokers | 331 | 669 | 2.0 |
| Insurance agencies and brokerages | 330 | 1,687 | 5.1 |
| Plumbing, heating and air-conditioning contractors | 303 | 4,993 | 16.5 |
| Landscaping services | 294 | 1,485 | 5.1 |
| Physician practices | 293 | 7,831 | 26.7 |
| Law offices | 269 | 1,633 | 6.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Greensboro 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.
If you already have a number in Greensboro, 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.
A 17-person team is the benchmark here, the rounded average establishment size in the Greensboro, NC metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. On Callata the same 17 people cost $339.00 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 | $339.00 | $4,068.00 |
| Quo (Starter) | $19.00 per user | $323.00 | $3,876.00 |
| Nextiva (Core) | $23.00 per user | $391.00 | $4,692.00 |
| Ooma (Office Pro) | $24.95 per user | $424.15 | $5,089.80 |
| Dialpad (Standard) | $27.00 per user | $459.00 | $5,508.00 |
| RingCentral (RingEX Core) | $30.00 per user | $510.00 | $6,120.00 |
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 Greensboro, NC?
Greensboro has exchanges in 336 and 743; 336 has the most.
How many phone companies have exchanges in Greensboro?
43, holding 209 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Greensboro 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 Greensboro?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).