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Get a local business phone number in Milford, DE

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

Area code
302
Exchanges
34NANPA-assigned
Carriers
13
Population
14,079Census 2024 est.

Milford area codes

Milford city is a Census place in Sussex County, Delaware, with an estimated 14,079 residents in 2024. All 34 exchanges NANPA lists for its rate center are in area code 302. Milford 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 Milford, DE
Area codeExchanges hereShareIn service sinceOverlay withTime zone
30234100%1947noneEastern

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

Milford exchanges by carrier

13 carriers hold the 34 exchanges assigned to Milford's rate center. New Cingular Wireless PCS, LLC - DC has the most, with 18. 28 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 Milford, DE
Carrier (NANPA operating company)ExchangesShare
New Cingular Wireless PCS, LLC - DC1853%
Verizon Delaware, INC.38.8%
Level 3 Communications, LLC - De25.9%
Paetec Itel, LLC25.9%
Onvoy, LLC - De12.9%
Metropcs, INC.12.9%
Redi-call Communications CO.12.9%
Coretel Delaware, INC. - De12.9%
Bandwidth.com CLEC, LLC - De12.9%
Mcimetro Access Transmission Services LLC12.9%
Omnipoint Communications Enterprises, LP12.9%
Fractel, LLC12.9%

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 Milford

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Milford's rate center (MILFORD). The earliest assignment date recorded in the file for these codes is 2001. 17 of the 34 were assigned in 2020 or later.

Prefixes assigned in Milford, DE
Area codePrefixes (NXX)
302228, 249, 265, 315, 393, 422, 424, 430, 441, 459, 491, 503, 586, 619, 638, 641, 646, 649, 671, 673, 675, 680, 682, 692, 699, 705, 712, 714, 718, 725, 745, 839, 866, 930

Source: NANPA utilized central office code file.

When Milford's exchanges were assigned

The table groups Milford's exchanges by the decade NANPA recorded them as assigned.

Milford, DE: exchanges by decade assigned
Decade assignedExchangesShare
2000s15.0%
2010s210%
2020s1785%

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

Rate centers and local calling in Milford

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

Keeping an existing Milford number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 302 when you pick it.

Businesses around Milford

Milford is part of the Seaford, DE micropolitan area, home to 271,000 people in 2024. County Business Patterns counted 6,411 business establishments in the Seaford, DE micropolitan area in 2023, employing 78,541 people. The largest sectors by establishment count are retail trade (1,070), construction (753), and accommodation and food services (712).

Selected industries in the Seaford, DE micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants3177,40523.4
Limited-service restaurants1952,78714.3
Physician practices1622,16013.3
Landscaping services1591,5529.8
Offices of real estate agents and brokers1394793.4
Residential remodelers1355854.3
Plumbing, heating and air-conditioning contractors1001,22312.2
New single-family housing construction contractors906016.7

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

A Milford number on Callata

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 Milford 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Seaford, DE micropolitan area, 12 users on RingCentral RingEX Core come to $360.00 a month and on Ooma Office Pro $299.40, at month-to-month list prices checked September 28, 2026. Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.

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 Milford, DE?

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

How many phone companies have exchanges in Milford?

13, holding 34 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Milford 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 Milford?

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).