CallataGuidesGet a local business phone number in Wilmington, DE
Wilmington's area code, prefixes and carriers from NANPA records, and how to put a Wilmington number in front of your customers.
- Area code
- 302
- Exchanges
- 170NANPA-assigned
- Carriers
- 24
- Population
- 73,176Census 2024 est.
Wilmington area codes
With 73,176 residents in the Census 2024 estimate, Wilmington sits in New Castle County, Delaware. All 170 exchanges NANPA lists for its rate center are in area code 302. Wilmington is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 302 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 302 | 170 | 100% | 1947 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Wilmington
24 carriers hold the 170 exchanges assigned to Wilmington's rate center. Verizon Delaware, INC. has the most, with 66. 117 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Wilmington can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Verizon Delaware, INC. | 66 | 39% |
| Cellco Partnership d/b/a Verizon Wireless - De | 33 | 19% |
| Omnipoint Communications Enterprises, LP | 17 | 10% |
| Paetec Itel, LLC | 9 | 5.3% |
| New Cingular Wireless PCS, LLC - DC | 8 | 4.7% |
| Mcimetro Access Transmission Services LLC | 7 | 4.1% |
| Spok, INC. | 4 | 2.4% |
| Level 3 Communications, LLC - De | 4 | 2.4% |
| Comcast Ip Phone, LLC | 3 | 1.8% |
| Teleport Communications America, LLC - Pa | 2 | 1.2% |
| Mcimetro Access Transmission Services LLC - De | 2 | 1.2% |
| Onvoy, LLC - De | 2 | 1.2% |
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 Wilmington
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Wilmington's rate center (WILMINGTON). The earliest assignment date recorded in the file for these codes is 2001. 10 of the 170 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 302 | 218, 225, 230, 243, 247, 250, 252, 254, 255, 256, 267, 268, 274, 275, 282, 287, 288, 290, 293, 295, 298, 299, 300, 304, 319, 320, 332, 333, 345, 351, 353, 354, 357, 358, 377, 379, 383, 384, 388, 394, 397, 407, 409, 415, 416, 420, 421, 425, 426, 427, 428, 429, 431, 432, 433, 434, 435, 438, 442, 463, 467, 468, 472, 473, 474, 476, 477, 478, 479, 482, 483, 485, 494, 498, 502, 504, 507, 510, 512, 513, 516, 518, 521, 523, 528, 530, 540, 543, 545, 547, 551, 552, 553, 559, 571, 573, 574, 575, 576, 577, 582, 584, 588, 593, 594, 596, 598, 600, 605, 617, 622, 633, 634, 636, 647, 650, 651, 652, 654, 655, 656, 657, 658, 660, 661, 668, 679, 683, 685, 688, 691, 695, 704, 707, 723, 757, 761, 762, 764, 765, 772, 773, 777, 778, 784, 789, 803, 824, 830, 842, 867, 884, 885, 886, 887, 888, 892, 893, 897, 898, 932, 984, 985, 992, 993, 994, 995, 996, 998, 999 |
Source: NANPA utilized central office code file.
When Wilmington's exchanges were assigned
Assignment dates show when each block of Wilmington numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 23 | 41% |
| 2010s | 23 | 41% |
| 2020s | 10 | 18% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Wilmington
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Wilmington's numbers are rated to the WILMINGTON rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Wilmington number.
If your business already has a Wilmington number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Businesses around Wilmington
Wilmington is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area, home to 6.3 million people in 2024. County Business Patterns counted 153,791 business establishments in the Philadelphia, PA-NJ-DE-MD metro area in 2023, employing 2,873,871 people. The largest sectors by establishment count are health care and social assistance (19,759), professional, scientific, and technical services (19,559), and retail trade (18,474).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 5,140 | 67,214 | 13.1 |
| Full-service restaurants | 4,454 | 95,642 | 21.5 |
| Physician practices | 3,301 | 51,683 | 15.7 |
| Law offices | 3,246 | 32,955 | 10.2 |
| Residential remodelers | 3,149 | 10,159 | 3.2 |
| Landscaping services | 2,642 | 17,236 | 6.5 |
| Dental offices | 2,556 | 20,014 | 7.8 |
| Insurance agencies and brokerages | 2,348 | 20,586 | 8.8 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Wilmington
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in Wilmington, 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 19 users, the rounded average establishment size in the Philadelphia, PA-NJ-DE-MD metro area. At list prices checked September 28, 2026, that is $474.05 a month on Ooma Office Pro and $570.00 on RingCentral RingEX Core. On Callata the same 19 people cost $379.00 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 | $379.00 | $4,548.00 |
| Quo (Starter) | $19.00 per user | $361.00 | $4,332.00 |
| Nextiva (Core) | $23.00 per user | $437.00 | $5,244.00 |
| Ooma (Office Pro) | $24.95 per user | $474.05 | $5,688.60 |
| Dialpad (Standard) | $27.00 per user | $513.00 | $6,156.00 |
| RingCentral (RingEX Core) | $30.00 per user | $570.00 | $6,840.00 |
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 Wilmington, DE?
302. All exchanges NANPA lists for Wilmington are in 302.
How many phone companies have exchanges in Wilmington?
24, holding 170 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Wilmington 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 Wilmington?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 19 users come to $379.00 a month. For comparison, 19 users on RingCentral RingEX Core list at $570.00 a month (checked September 28, 2026).