Mount Airy, MD Area Codes
Mount Airy, Maryland (population 9,857) uses area codes 240, 301 and 227.
Carriers with Mount Airy numbers
8 prefixes are assigned to the Mount Airy exchange: 25% mobile, 38% VoIP and cable, 38% landline.
| Carrier | Prefixes |
|---|---|
| AT&T Mobility | 2 |
| Core Communications | 1 |
| Onvoy (Sinch) | 1 |
| Bandwidth | 1 |
| Lumen (Level 3) | 1 |
| Verizon | 1 |
| At&T - Local | 1 |
Area codes used in Mount Airy
| Area code | Prefixes serving Mount Airy | Main carriers in this code |
|---|---|---|
| 240 | 5 | T-Mobile, Verizon Wireless, AT&T Mobility |
| 301 | 2 | Verizon, Verizon Wireless, AT&T Mobility |
| 227 | 1 | Onvoy (Sinch), AT&T Mobility, T-Mobile |
Mount Airy phone number prefixes
Numbers starting with these first six digits were originally assigned to the Mount Airy exchange.
240-369Core Communications240-394AT&T Mobility240-732AT&T Mobility240-875Onvoy (Sinch)240-924Bandwidth301-703Lumen (Level 3)301-829Verizon227-270At&T - Local
Nearby cities in area code 240
- Frederick
- Germantown
- Waldorf
- Silver Spring
- Gaithersburg
- Rockville
- Bethesda
- Bowie
- Aspen Hill
- Wheaton
- North Bethesda
- Potomac
Questions
- What is the area code for Mount Airy, MD?
- Mount Airy uses 3 area codes: 240, 301 and 227. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Mount Airy in?
- Mount Airy is in the Eastern time zone.