Area code 301

Get a 301 Phone Number Today

A 301 number is one of the original 1947 area codes, instantly tied to Silver Spring, Bethesda and Germantown in the Maryland suburbs of DC. Allo adds an AI receptionist, call summaries and CRM sync to it.

Covers: Germantown, Silver Spring, Bethesda (Western/Suburban DC)

Main market
Silver Spring
State
Maryland (MD)
Time zone
Eastern (EST/EDT)
In service since
1947
Type
Overlay, same area as 240, 227
227 +2410 +2

A classic Maryland code next to the capital

In Montgomery County, 301 has been the local number for generations.

Bethesda is home to major medical research institutions and corporate offices, Silver Spring has a lively downtown on the DC line, and Germantown anchors the I-270 tech and biotech corridor. Clients here are used to professional, responsive firms. A 301 caller ID tells them you are right in the neighborhood.

301, 240 and 227 share the same map

301 dates from 1947, and 240 and 227 were added as overlays on the same area.

All three codes cover the Maryland suburbs of Washington, from Silver Spring and Bethesda to Germantown, so each is equally local. Because 301 is so established, new numbers are usually issued on the newer codes. The District itself uses 202 and 771, and Northern Virginia uses 703 and 571.

A modern phone system behind a classic code

Allo brings AI to every call on your 301 line.

The AI receptionist answers around the clock, screens requests and routes callers to the right colleague. Every call is recorded and summarized, and contacts and notes sync to HubSpot, Salesforce or Pipedrive without extra work. Text clients from the same number and take calls from the desktop or mobile app.

Why a 301 number wins more calls

A 301 area code gets you picked up. Allo handles what happens next, on every call.

Show up local

A local area code your prospects recognize means more calls get answered and more callbacks come through.

Answer every call 24/7

The AI receptionist picks up when your team can't, answers questions, qualifies the lead and books the meeting.

One number, whole team

Ring your team together or one after another, with business texting built in, so no call slips through.

Every call written up

Recording, summary and next steps land in your CRM automatically, so follow-up is done before you hang up.

Other area codes to explore

Same region, same setup. Pick the prefix your customers know.

Looking for one specific number?

Tell us the number you have in mind. If it is available, we will set it aside for you. If it is already yours, we will move it to Allo for you.

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Area code 301, answered

Area code 301 covers western and suburban Maryland near Washington, DC, including Germantown, Silver Spring and Bethesda. It shares this area with the 240 and 227 overlays.

The 301 area code is in the Eastern Time zone, observing EST in winter and EDT during daylight saving time.

No. With Allo you can get a virtual number for the 301 area from anywhere, with no Maryland office or address required.

301 is one of the oldest area codes in the country, so new numbers are often issued on 240 or 227 instead. All three cover the same area and read as local. If you already have a 301 number, you can port it to Allo and keep it.