Every US area code, explainedUnited States · +1
Area Code Contact ES
Menu
AREA CODE · MARYLAND

Area code 227

Area code 227 covers Washington, Maryland. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Maryland Major City: Washington Eastern Time (ET) Overlay: 227/240/301
01 / WHERE IT IS

Where is area code 227?

Area code 227 is assigned to Washington and the surrounding region in Maryland. Calls to numbers that start with 227 are routed to this area.

Area code 227 shares its territory with 240, 301. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Montgomery CountyPrince George's CountyFrederick CountyCharles CountyWashington CountyAllegany CountyGarrett CountySt. Mary's County

Line types

  • Mobile 54.55%
  • Landline 45.45%
02 / MAP

Area code 227 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

Loading…

© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Washington

This area code is in the Eastern Time (ET) time zone.

Local timeWashington, MD--:--:--

Loading…

America/New_YorkLive
04 / HOW TO DIAL

How to call Washington

WITHIN THE US227 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 227 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 227 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 227 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 227 555 0123
🇦🇺Australia0011 1 227 555 0123
🇯🇵Japan010 1 227 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 227

Share of the number blocks by carrier and line type.

Landline

Sinch
56%
Commio
13%
WIDE VOICE - MD
9%
Bandwidth
7%
Verizon Business
5%
Others
9%

Mobile

AT&T Mobility
44%
T-Mobile USA
36%
Verizon Wireless
12%
Sinch
8%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 227

121 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(227) 200 Mobile Washington Zone 2 AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - DC
(227) 201 Mobile Myersville AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - DC
(227) 202 Mobile Washington Zone 10 AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - DC
(227) 203 Landline Frederick Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD
(227) 204 Mobile Washington Zone 10 T-Mobile USAOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
(227) 205 Mobile Washington Zone 4 T-Mobile USAOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
(227) 206 Mobile Washington Zone 5 T-Mobile USAOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
(227) 207 Landline Bittinger CommioCOMMIO, LLC
(227) 208 Landline Flintstone CommioCOMMIO, LLC
(227) 209 Landline Grantsville CommioCOMMIO, LLC

Showing 10 of 121 prefixes

07 / FAQ

Frequently asked questions about area code 227

Where is area code 227 used?
Area code 227 serves Washington and the surrounding area in Maryland, including Montgomery County, Prince George's County, Frederick County, Charles County, Washington County.
What city is area code 227 from?
The main city of area code 227 is Washington, MD.
What time zone is area code 227 in?
Area code 227 is in the Eastern Time (ET) time zone (America/New_York).
Is 227 an overlay area code?
Yes. It shares its territory with 240, 301. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 227 from the United States?
Dial the 10 digits: 227 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 227 number from another country?
Dial your country's exit code (or +), then 1, then 227 and the seven-digit number. From a mobile you can use +1 227 XXX XXXX.
Which carriers use area code 227?
Most landline blocks belong to Sinch and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 227 for landlines, mobiles or both?
Both. About 45.45% of the number blocks are landline, 54.55% mobile.
How do I save a 227 number in WhatsApp or my phone?
Save it in international format: +1 227 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 227?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

703Washington, VA571Washington, VA202Washington, DC771Washington, DC717Lancaster, PA302Wilmington, DE

Other area codes in Maryland

240 · Washington301 · Washington410 · Baltimore443 · Baltimore667 · Baltimore

View all Maryland area codes →