Area code 667
Area code 667 serves Baltimore and nearby parts of Maryland, including Columbia, Towson and Annapolis. It is on Eastern Time, which observes daylight saving time. 410 and 443 are overlays for the same area.
Area code 667 at a glance
Cities in 667
- Baltimore
- Columbia
- Towson
- Annapolis
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 667 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 667 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 667 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 667 without leaving your CRM
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Other area codes in Maryland
Questions about 667
What time zone is area code 667?
Area code 667 is on Eastern Time. It observes daylight saving time.
Where is area code 667?
Area code 667 is in Maryland. Its main city is Baltimore, and it also covers Columbia, Towson and Annapolis.
What are the legal hours to call a 667 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 667?
410 and 443 cover the same area as 667, so numbers in the same town can have either code.