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Get a local business phone number in Dover, DE

Dover's area code, prefixes and carriers from NANPA records, and how to put a Dover number in front of your customers.

Area code
302
Exchanges
49NANPA-assigned
Carriers
15
Population
40,191Census 2024 est.

What area code is Dover, DE?

Dover, in Kent County, Delaware, had a Census-estimated population of 40,191 in July 2024. All 49 exchanges NANPA lists for its rate center are in area code 302. Dover 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 codes with exchanges in Dover, DE
Area codeExchanges hereShareIn service sinceOverlay withTime zone
30249100%1947noneEastern

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Who holds Dover phone exchanges

15 carriers hold the 49 exchanges assigned to Dover's rate center. Verizon Delaware, INC. has the most, with 14. 36 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.

Carriers holding exchanges in Dover, DE
Carrier (NANPA operating company)ExchangesShare
Verizon Delaware, INC.1429%
Omnipoint Communications Enterprises, LP1224%
Level 3 Communications, LLC - De510%
Bandwidth.com CLEC, LLC - De36.1%
New Cingular Wireless PCS, LLC - DC36.1%
Mcimetro Access Transmission Services LLC24.1%
Paetec Itel, LLC24.1%
Commio, LLC12.0%
Onvoy, LLC - De12.0%
Peerless Network of Delaware, LLC - De12.0%
Scott Sabo d/b/a Allpage12.0%
Redi-call Communications CO.12.0%

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 Dover

These are the central office codes NANPA records for Dover. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 6 of the 49 were assigned in 2020 or later.

Prefixes assigned in Dover, DE
Area codePrefixes (NXX)
302213, 237, 241, 244, 257, 263, 264, 269, 310, 336, 342, 346, 350, 359, 363, 399, 401, 423, 450, 465, 480, 487, 526, 546, 580, 590, 608, 666, 670, 672, 674, 677, 678, 687, 710, 719, 724, 730, 734, 735, 736, 739, 741, 744, 747, 760, 782, 857, 883

Source: NANPA utilized central office code file.

When Dover's exchanges were assigned

Assignment dates show when each block of Dover numbers was added to the local supply.

Dover, DE: exchanges by decade assigned
Decade assignedExchangesShare
2000s318%
2010s847%
2020s635%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

What makes a number local to Dover

NANPA ties every exchange to a rate center. For Dover that is DOVER, so a number from one of these exchanges reads as local to people in and around Dover.

If your business already has a Dover number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Businesses around Dover

Dover is part of the Dover, DE metro area, home to 193,000 people in 2024. County Business Patterns counted 4,971 business establishments in the Dover, DE metro area in 2023, employing 61,078 people. The largest sectors by establishment count are professional, scientific, and technical services (815), retail trade (670), and health care and social assistance (525).

Selected industries in the Dover, DE metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Custom computer programming services firms1729095.3
Limited-service restaurants1372,48018.1
Full-service restaurants1343,06322.9
Computer systems design services firms1024824.7
Physician practices941,16112.4
Management consulting firms933113.3
Child day care services6479012.3
Landscaping services581,21020.9

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

A Dover number on Callata

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 Dover, 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 12-person team is the benchmark here, the rounded average establishment size in the Dover, DE metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $360.00 a month and Ooma Office Pro $299.40. On Callata the same 12 people cost $239.00 a month, less than either per-seat plan.

Monthly list price for a 12-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$239.00$2,868.00
Quo (Starter)$19.00 per user$228.00$2,736.00
Nextiva (Core)$23.00 per user$276.00$3,312.00
Ooma (Office Pro)$24.95 per user$299.40$3,592.80
Dialpad (Standard)$27.00 per user$324.00$3,888.00
RingCentral (RingEX Core)$30.00 per user$360.00$4,320.00

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 Dover, DE?

302. All exchanges NANPA lists for Dover are in 302.

How many phone companies have exchanges in Dover?

15, holding 49 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Dover 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 Dover?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 12 users come to $239.00 a month. For comparison, 12 users on RingCentral RingEX Core list at $360.00 a month (checked September 28, 2026).