Area Code 301

Bethesda, Maryland · EST/EDT (UTC-5) · United States

Area Code
301
City
Bethesda, MD
Time Zone
EST/EDT
UTC Offset
UTC-5 / UTC-4 DST
DST
Observed
Introduced
1947

Where Is Area Code 301?

Bethesda, Silver Spring, Rockville, College Park — suburban Maryland near DC

Original 1947 code. NIH and Walter Reed are in 301.

Major Cities & Neighborhoods
BethesdaSilver SpringRockvilleCollege Park

Time Zone for Area Code 301

Standard Time
EST (UTC-5)
Daylight Time
EDT (UTC-4)
DST 2026 Start
March 8, 2026
DST 2026 End
November 1, 2026
Country
United States
IANA Zone
America/New_York

Frequently Asked Questions

Where is area code 301?

Area code 301 is located in Bethesda, Maryland (United States). It covers Bethesda, Silver Spring, Rockville, College Park — suburban Maryland near DC.

What time zone is area code 301 in?

Area code 301 (Bethesda, Maryland) is in the EST/EDT time zone. Standard time is UTC-5 and UTC-4 during Daylight Saving Time.

Is area code 301 a scam?

Area code 301 is a legitimate NANPA-assigned code serving Bethesda, Maryland. However, scammers can spoof any area code. If you receive an unexpected call from (301), verify the caller before sharing personal information.

What time is it in area code 301 right now?

Area code 301 follows EST/EDT (UTC-5). See the live clock at whattime.city/washington-dc/ for the exact current time in Bethesda.

When was area code 301 introduced?

Area code 301 was introduced in 1947. Original 1947 code. NIH and Walter Reed are in 301.

Other Maryland Area Codes