Philadelphia, PA-NJ-DE-MD business phone guide

The Philadelphia, PA-NJ-DE-MD area

The Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area covers 11 counties in Pennsylvania, New Jersey, Delaware, and Maryland and had 6.3 million residents in July 2024, up 1.4% since April 2020. The U.S. population grew 2.6% over the same period. Philadelphia County, PA is the most populous, with 1.6 million people. By population it ranks 9th of the 925 metro and micropolitan areas and 9th by business establishments.

Philadelphia, PA-NJ-DE-MD's business base

County Business Patterns counted 153,791 establishments in the area in 2023, employing 2,873,871 people in mid-March with $207.3 billion in annual payroll. That is an average of 18.7 employees per establishment. 54.3% of establishments with employees had fewer than five people. By establishment count, the largest sectors are health care and social assistance (19,759), professional, scientific, and technical services (19,559), and retail trade (18,474).

How Philadelphia, PA-NJ-DE-MD's businesses compare

Philadelphia, PA-NJ-DE-MD has 24.3 business establishments per 1,000 residents, in line with the U.S. figure of 24.6. Establishments average 18.7 employees against 16.7 nationally, and payroll per employee is $72,123 (5.5% above the U.S. $68,342). 54.3% of establishments with employees have fewer than five people (U.S.: 55.5%), while 6.3% have 50 or more. Because a handful of large employers lift the average, the share of very small establishments says more about who buys a small-business phone system.

Small-business industries in Philadelphia, PA-NJ-DE-MD

Of the 141 industries these guides cover, 141 have a published Census count in Philadelphia, PA-NJ-DE-MD. The largest are limited-service restaurants (5,140), full-service restaurants (4,454), and physician practices (3,301). Relative to population, nail salons are the most over-represented: 21.1 per 100,000 residents against 10.1 nationally.

Area codes in Philadelphia, PA-NJ-DE-MD

The area's named cities and towns have 1,641 NANPA-assigned exchanges across 18 area codes; 856 has the most (29%). Callata includes up to 3 local numbers, so a business serving several parts of the area can hold a number in each.

Local numbers by city

Pages for 70 cities and towns in the area list their area codes, prefixes and carriers.

Phone costs for a typical Philadelphia, PA-NJ-DE-MD business

The comparison below uses 19 users, the rounded average establishment size in Philadelphia, PA-NJ-DE-MD. At list prices checked September 28, 2026, that is $474.05 a month on Ooma Office Pro and $570.00 on RingCentral RingEX Core. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.

Callata in Philadelphia, PA-NJ-DE-MD

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 Philadelphia, PA-NJ-DE-MD 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.