Delaware business phone guide

Businesses in Delaware

Delaware had 1.1 million residents in the Census Bureau's July 2024 estimate, up 6.3% from April 2020. The U.S. population grew 2.6% over the same period. County Business Patterns counted 29,706 business establishments in the state in 2023 with 457,635 mid-March employees and $33.2 billion in annual payroll. The average establishment has 15.4 employees. 57.3% of establishments with employees had fewer than five people. The three largest sectors by establishments are professional, scientific, and technical services (4,429), retail trade (3,742), and health care and social assistance (3,066).

Business density and team size in Delaware

Delaware has 28.2 business establishments per 1,000 residents, 14.9% above the U.S. figure of 24.6. Establishments average 15.4 employees against 16.7 nationally, and payroll per employee is $72,543 (6.1% above the U.S. $68,342). 57.3% of establishments with employees have fewer than five people (U.S.: 55.5%), while 5.2% have 50 or more. Averages are pulled up by large employers; the size table is the better guide to what a typical business here looks like.

Area codes in Delaware

NANPA lists 1 geographic area code in service in Delaware, with 656 central office codes assigned across 30 rate centers and held by 32 carriers. 302 has the most assigned codes (656). The newest in service is 302, since January 1, 1947.

Small-business industries in Delaware

Among the 141 phone-heavy small-business industries these guides cover, the largest in Delaware by establishment count are full-service restaurants (899), limited-service restaurants (846), and custom computer programming services firms (765). Follow an industry for its metro-level counts and what a phone system costs a typical team.

Metro and micropolitan areas

3 Census metro or micropolitan areas include part of Delaware. The largest is Philadelphia, PA-NJ-DE-MD with 6.3 million residents.

Which Delaware area code to pick

Every Delaware area code requires ten-digit dialing for local calls, according to NANPA's dialing-plan data, so customers always see and dial the full number. None of Delaware's area codes is in an overlay, so each code maps to its own territory. The city pages show which codes dominate each place, which is the best guide to the number your customers will recognize.

Largest Delaware cities for local numbers

24 Delaware cities and towns have their own local-number page. The most populous are Wilmington (302), Dover (302), Newark (302), and Middletown (302).

What phone service costs a Delaware business

A 15-person team is the benchmark here, the rounded average establishment size in Delaware. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.

Callata in Delaware

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.

Porting a number you already use in Delaware 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.