Area code 227
Area code 227 serves Silver Spring and nearby parts of Maryland, including Gaithersburg, Rockville and Bethesda. It is on Eastern Time, which observes daylight saving time. 240 and 301 are overlays for the same area.
Area code 227 at a glance
Cities in 227
- Silver Spring
- Gaithersburg
- Rockville
- Bethesda
An area code shows where a number was first assigned. Mobile numbers keep their area code when people move, so the person you’re calling may be somewhere else.
When you can call a 227 number
Federal telemarketing rules under the TCPA allow sales calls between 8 AM and 9 PM in the called person’s local time. Here is that window for a 227 number, shown in your own time zone.
General information, not legal advice. Some states add rules for Sundays, holidays or the number of calls. See our calling hours guide.
| If you’re on | You can call 227 between |
|---|---|
| Eastern | 8:00 AM to 9:00 PM |
| Central | 7:00 AM to 8:00 PM |
| Mountain | 6:00 AM to 7:00 PM |
| Arizona | 5:00 AM to 6:00 PM |
| Pacific | 5:00 AM to 6:00 PM |
See the time in 227 without leaving your CRM
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Other area codes in Maryland
Questions about 227
What time zone is area code 227?
Area code 227 is on Eastern Time. It observes daylight saving time.
Where is area code 227?
Area code 227 is in Maryland. Its main city is Silver Spring, and it also covers Gaithersburg, Rockville and Bethesda.
What are the legal hours to call a 227 number?
Under the federal TCPA, sales calls are allowed from 8 AM to 9 PM in the called person’s local time. Personal and informational calls are not limited by these hours.
What area codes overlay 227?
240 and 301 cover the same area as 227, so numbers in the same town can have either code.