
Business phone numbers in Maryland
341,000+ local numbers available now, from Washington, D.C. suburbs, Baltimore, Gaithersburg and across the state. Pick one, and it's ringing in minutes.
- 341,000+
- numbers available
- 6
- area codes with stock
- 165
- local calling areas
- Free
- porting, any volume
Find your Maryland number
These are real numbers available right now. Pick a town to narrow it down, or search for a pattern or vanity word.
Showing live inventory
Every number here stays on the open market until someone claims it — we can't hold one for you. We acquire it for your account right after you sign up, subject to availability, and let you know when it's ready.
Your first number comes out of your $25 — $3.50 for the first month, leaving $21.50 to spend on calls. Nothing to pay, no card.
Doing business by phone in Maryland
Maryland splits between the Baltimore region and the Washington, D.C. suburbs of Montgomery and Prince George's counties. Federal agencies and contractors, biotech, the port of Baltimore and the Eastern Shore's farms and resorts all depend on reliable phones.
- Capital
- Annapolis
- Largest metros
- Baltimore, Columbia, Germantown, Silver Spring
- Time zone
- Eastern
- Area codes with stock
- 410, 443, 667, 301, 240, 227
- Inventory checked
- November 4, 2026
Maryland area codes with numbers in stock
Counts are from our carriers as of November 4, 2026. Each code lists a few of the towns it reaches.
Maryland towns with the most numbers
Tap a town to see its numbers. Every other town in Maryland is in the full search.
Sell phone service to Maryland businesses under your own name
SimuWave is the carrier behind it. You brand it, price it and own the customer, and we handle the numbers, the network, E911 and the paperwork. Same published rates in every state.
Maryland phone numbers: common questions
What area codes can I get in Maryland?
Right now we have numbers in 6 Maryland area codes: 410, 443, 667, 301, 240, 227. The most stock is in 410, which reaches Towson, Severna Park, Fork. Stock changes daily, so search for the exact town you want.
Can I get a number in a specific Maryland town?
Yes. Numbers are tied to a local calling area, so pick the town your customers are in and the number reads as local to them. Washington, D.C. suburbs, Baltimore, Gaithersburg have the deepest stock right now. Search above, or open the full search with every town in Maryland.
Can I keep my existing Maryland business number?
Yes. Porting is free, in any volume. Keep the number your customers already know and point it at SimuWave. It can ring desk phones and cell phones at the same time.
How fast can a Maryland number be working?
A new number is live in minutes: choose it, attach a call flow, and it rings. Ports take longer because the current carrier has to release the number, and the number keeps working on the old service until the port completes.
What time zone should I set for Maryland business hours?
Maryland is on Eastern time. Set your business hours once in the call flow, and after-hours calls go to voicemail, an answering service or a cell phone automatically.
States next to Maryland
Photo: Inner Harbor, by Chris6d (Wikimedia Commons), CC BY-SA 4.0. Resized.