Washington, DC-VA-MD-WV business phone guide

The Washington, DC-VA-MD-WV area

The Washington-Arlington-Alexandria, DC-VA-MD-WV metro area covers 23 counties in District of Columbia, Virginia, Maryland, and West Virginia and had 6.4 million residents in July 2024, up 2.5% since April 2020. The U.S. population grew 2.6% over the same period. Fairfax County, VA is the most populous, with 1.2 million people. By population it ranks 7th of the 925 metro and micropolitan areas and 8th by business establishments.

Businesses in Washington, DC-VA-MD-WV

County Business Patterns counted 159,002 establishments in the area in 2023, employing 2,863,486 people in mid-March with $243.0 billion in annual payroll. That is an average of 18.0 employees per establishment. 55.1% of establishments with employees had fewer than five people. By establishment count, the largest sectors are professional, scientific, and technical services (34,327), health care and social assistance (19,078), and other services (except public administration) (18,064).

How Washington, DC-VA-MD-WV's businesses compare

Washington, DC-VA-MD-WV has 24.7 business establishments per 1,000 residents, in line with the U.S. figure of 24.6. Establishments average 18.0 employees against 16.7 nationally, and payroll per employee is $84,848 (24.2% above the U.S. $68,342). 55.1% of establishments with employees have fewer than five people (U.S.: 55.5%), while 6.6% have 50 or more. Most establishments are far smaller than the average suggests, so it pays to price a phone plan at the headcount you actually have rather than the average.

Small-business industries in Washington, DC-VA-MD-WV

Of the 141 industries these guides cover, 141 have a published Census count in Washington, DC-VA-MD-WV. The largest are limited-service restaurants (5,579), full-service restaurants (4,821), and management consulting firms (4,757). Relative to population, other computer related services firms are the most over-represented: 17.8 per 100,000 residents against 3.9 nationally.

Phone numbers in the Washington, DC-VA-MD-WV area

The area's named cities and towns have 770 NANPA-assigned exchanges across 9 area codes; 571 has the most (25%). A local number in the code your customers know is the simplest signal that you are nearby; Callata's plan includes up to 3.

Local numbers by city

Pages for 23 cities and towns in the area list their area codes, prefixes and carriers.

Phone costs for a typical Washington, DC-VA-MD-WV business

Per-seat phone plans multiply by headcount. For the rounded average establishment size in Washington, DC-VA-MD-WV, 18 users on RingCentral RingEX Core come to $540.00 a month and on Ooma Office Pro $449.10, at month-to-month list prices checked September 28, 2026. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

Callata in Washington, DC-VA-MD-WV

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.

If you already have a number in Washington, DC-VA-MD-WV, 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.