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Business phone system for security systems services in Delaware

32 security systems services operated in Delaware in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
32CBP 2023
Employees
583mid-March 2023
Per 100k residents
3.0U.S. 2.1
State rank
41st of 51by count

Security systems services in Delaware by the numbers

County Business Patterns counts 32 establishments in Delaware classified as Security Systems Services (except Locksmiths) (NAICS 561621) for 2023. They employed 583 people in mid-March and reported $40.5 million in annual payroll. That is the 41st highest count among the 51 states and DC with published figures. Security systems services make up 0.11% of the 29,706 business establishments in the state.

Per 100,000 residents (2024 estimate) Delaware has 3.0 security systems services, 44.7% above the national rate of 2.1. The average establishment has 18.2 employees against 18.0 nationally. Payroll per employee is $69,501, in line with the U.S. figure of $70,074.

Security systems services: Delaware compared with the U.S., 2023
MeasureDelawareUnited States
Establishments327,151
Mid-March employees583 (moderate noise)128,462
Annual payroll$40,519,000 (moderate noise)$9,001,839,000
Employees per establishment18.218.0
Payroll per employee$69,501$70,074
Establishments per 100,000 residents3.02.1

Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.

Security systems services by metro area in Delaware

Census published security systems company counts for 2 metro or micropolitan areas that include part of Delaware. The largest is Philadelphia, PA-NJ-DE-MD, with 164 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 22% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Security systems services by metro or micropolitan area, Delaware, 2023
AreaEstablishmentsEmployeesPer 100k residents
Philadelphia, PA-NJ-DE-MD1643,5262.6
Seaford, DE7312.6

Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.

Team sizes at security systems services in Delaware

34.5% of Delaware's security systems services with employees had fewer than five people in March 2023, compared with 48.4% nationally. 79.3% had fewer than ten. That is the size of team where a missed call usually means nobody was free, not that nobody was on staff.

Security systems services in Delaware by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees1034.5%48.4%
5–9 employees1344.8%19.3%
10–19 employees310.3%13.9%
20–49 employeesnot published—11.1%
50 or more employees310.3%7.3%

Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.

What security systems services in Delaware use the phone for

Security companies take calls about new installations, alarms and service problems. Existing customers expect quick help when a system misbehaves.

Typical inbound and outbound calls for security systems services in Delaware:

After-hours calls

Alarm problems at night need clear after-hours routing.

Callata voicemail is transcribed and triaged for urgency, and business-hours routing decides where calls go once you close.

What a phone system costs a security systems company in Delaware

Security systems services in Delaware average 18.2 employees, so the comparison uses an 18-person team. On a per-user plan that headcount sets the bill: $449.10 a month on Ooma Office Pro or $540.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $2,172. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for an 18-person security systems company
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$359.00$4,308.00
Quo (Starter)$19.00 per user$342.00$4,104.00
Nextiva (Core)$23.00 per user$414.00$4,968.00
Ooma (Office Pro)$24.95 per user$449.10$5,389.20
Dialpad (Standard)$27.00 per user$486.00$5,832.00
RingCentral (RingEX Core)$30.00 per user$540.00$6,480.00

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.

Area codes in Delaware

Delaware has 1 geographic area code in service according to NANPA. You can choose local numbers in the area codes your customers know, subject to carrier inventory, or port your current number for free.

Area codes in Delaware by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
302656Eastern1947none

Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.

How Callata works for security systems services 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.

If you already have a number in Delaware, 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.

Frequently asked questions

How many security systems services are in Delaware?

32 in 2023, according to Census County Business Patterns. They employed 583 people in mid-March.

Which Delaware metro area has the most security systems services?

Philadelphia, PA-NJ-DE-MD, with 164 establishments in 2023.

What does a phone system cost an 18-person security systems company?

$540.00 a month on RingCentral RingEX Core or $449.10 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $359.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a Delaware number?

Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.