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Business phone system for testing laboratories in Philadelphia, PA-NJ-DE-MD

Testing laboratories in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area: 113 establishments in 2023, the local area codes, and what phone service costs a 30-person team.

Establishments
113CBP 2023
Employees
3,334mid-March 2023
Per 100k residents
1.8U.S. 2.2
Rank
10th of 339areas by count

The testing laboratory market in Philadelphia, PA-NJ-DE-MD

The Census Bureau's 2023 County Business Patterns lists 113 establishments classified as Testing Laboratories (NAICS 541380) in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area. Together they reported 3,334 mid-March employees and $218.2 million of payroll for the year. That ranks 10th of the 339 metro and micropolitan areas where Census published a count for this industry.

With 6.3 million residents in the Census 2024 estimate, that is 1.8 testing laboratories per 100,000 people, 18.7% below the national rate of 2.2. Establishments average 29.5 employees, 39.1% above the U.S. average of 21.2. Payroll per employee comes to $65,448, 13.1% below the national $75,284.

Testing laboratories: Philadelphia, PA-NJ-DE-MD compared with Pennsylvania and the U.S., 2023
MeasurePhiladelphia, PA-NJ-DE-MDPennsylvaniaUnited States
Establishments1132827,463
Mid-March employees3,334 (moderate noise)10,907 (moderate noise)158,265
Annual payroll$218,202,000 (moderate noise)$684,718,000 (moderate noise)$11,914,875,000
Employees per establishment29.538.721.2
Payroll per employee$65,448$62,778$75,284
Establishments per 100,000 residents1.82.22.2

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.

How big testing laboratories in Philadelphia, PA-NJ-DE-MD are

Of the testing laboratories in Philadelphia, PA-NJ-DE-MD that had employees in March 2023, 36.3% had fewer than five (the U.S. share is 42.7%). 55.8% had fewer than ten. Small teams usually share the phone: the person who answers is often also serving a customer or doing the job, which is when calls get missed.

Testing laboratories in Philadelphia, PA-NJ-DE-MD by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees4136.3%42.7%
5–9 employees2219.5%18.9%
10–19 employees2623.0%17.1%
20–49 employees108.8%12.8%
50 or more employees1412.4%8.6%

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 testing laboratories in Philadelphia, PA-NJ-DE-MD use the phone for

Testing labs serve contractors, manufacturers and property owners who need results on a schedule. Calls about sample drop-off, turnaround and results need quick routing.

Typical inbound and outbound calls for testing laboratories in Philadelphia, PA-NJ-DE-MD:

Calls after closing time

After-hours calls are mostly routine.

With business-hours routing, calls after closing can go to transcribed voicemail or an optional AI receptionist instead of ringing an empty room.

What a phone system costs a testing laboratory in Philadelphia, PA-NJ-DE-MD

The average testing laboratory in Philadelphia, PA-NJ-DE-MD has 29.5 employees, so a 30-person team is a reasonable benchmark. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 30 users on RingCentral RingEX Core cost $900.00 a month and 30 on Ooma Office Pro cost $748.50. On Callata the same 30 people cost $599.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $3,612. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for a 30-person testing laboratory
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$599.00$7,188.00
Quo (Starter)$19.00 per user$570.00$6,840.00
Nextiva (Core)$23.00 per user$690.00$8,280.00
Ooma (Office Pro)$24.95 per user$748.50$8,982.00
Dialpad (Standard)$27.00 per user$810.00$9,720.00
RingCentral (RingEX Core)$30.00 per user$900.00$10,800.00

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.

Which area code to use in Philadelphia, PA-NJ-DE-MD

NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 856 has the most, with 478 of 1,515 exchanges (32%). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your clients recognize, subject to carrier inventory, or port the number you already have for free.

Area codes in the Philadelphia, PA-NJ-DE-MD area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
856478Eastern1999none
302306Eastern1947none
267202Eastern1999215, 445
484157Eastern1999610, 835
609153Eastern1957640
61095Eastern1994484, 835
21581Eastern1947267, 445
44543Eastern2018215, 267

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.

What testing laboratories in Philadelphia, PA-NJ-DE-MD get with Callata

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 Philadelphia, PA-NJ-DE-MD, 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 testing laboratories are there in Philadelphia, PA-NJ-DE-MD?

Census County Business Patterns counted 113 testing laboratories in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area in 2023. They employed 3,334 people in mid-March.

What does a business phone system cost for a 30-person testing laboratory?

At month-to-month list prices checked September 28, 2026, 30 users cost $900.00 a month on RingCentral RingEX Core and $748.50 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $599.00.

What area code should a testing laboratory in Philadelphia, PA-NJ-DE-MD use?

Area code 856 has the most assigned exchanges among the area's named places, followed by 302 and 267. If you already have a local number, you can port it to Callata for free.

Can an AI receptionist answer calls for a testing laboratory?

Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute.