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Get a local business phone number in Milton, DE

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

Area code
302
Exchanges
6NANPA-assigned
Carriers
4
Population
3,773Census 2024 est.

What area code is Milton, DE?

Milton, in Sussex County, Delaware, had a Census-estimated population of 3,773 in July 2024. All 6 exchanges NANPA lists for its rate center are in area code 302. Milton 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 Milton, DE
Area codeExchanges hereShareIn service sinceOverlay withTime zone
3026100%1947noneEastern

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

Phone carriers in Milton

4 carriers hold the 6 exchanges assigned to Milton's rate center. Paetec Itel, LLC has the most, with 2. 6 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.

Carriers holding exchanges in Milton, DE
Carrier (NANPA operating company)ExchangesShare
Paetec Itel, LLC233%
Onvoy, LLC - De233%
Teleport Communications America, LLC - Pa117%
Verizon Delaware, INC.117%

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 Milton

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Milton. The earliest assignment date recorded in the file for these codes is 2019. 1 of the 6 were assigned in 2020 or later.

Prefixes assigned in Milton, DE
Area codePrefixes (NXX)
302329, 625, 643, 664, 684, 770

Source: NANPA utilized central office code file.

When Milton's exchanges were assigned

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

Milton, DE: exchanges by decade assigned
Decade assignedExchangesShare
2010s150%
2020s150%

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

How local numbers work in Milton

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

New local numbers are drawn from carrier inventory, so the exact 302 numbers available change over time; porting an existing number is free.

Who does business near Milton

Milton 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.

Business phone service in Milton

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 Milton 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.

The comparison below uses 12 users, the rounded average establishment size in the Seaford, DE micropolitan area. At list prices checked September 28, 2026, that is $299.40 a month on Ooma Office Pro and $360.00 on RingCentral RingEX Core. 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 Milton, DE?

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

How many phone companies have exchanges in Milton?

4, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Milton 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 Milton?

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).