Watch Area Code
Lookup Code
North American Area CodeEastern Time Zone

Area Code 227 Location & Details

State / Region: Maryland • Country: United States

Major Cities Covered: Frederick, Gaithersburg, Rockville, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland, Takoma Park

Standard Dial Format
+1 (227) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 227?
MarylandState Hub →
Country Territory
United States
227 Area Code Time Zone
Eastern
227 Overlay Codes
240, 301

Area Code 227 Geographic Map

Interactive location bounds and coverage area for Maryland (Eastern Timezone)

Lat: 39.15° • Lng: -77.32°
📍 Geographic Center: MarylandMap data © OpenStreetMap contributors

Where is Area Code 227 Located?

Telephone area code 227 is assigned to Maryland in United States. It serves cities and metropolitan communities including Frederick, Gaithersburg, Rockville, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland, Takoma Park.

Historical Context & Area Code Overlay Information:227 serves Maryland (United States).

For local and long-distance calls within area code 227, standard 10-digit dialing (227) XXX-XXXX applies.

Who Called Me from Area Code 227?

Received an unknown call, missed call, or text scam from area code 227? Here is how to trace who is calling from 227 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 227 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 227:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 227 & Dialing Format

When placing a phone call to a number in area code 227, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (227) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 227 + 7-digit number.
  • Do I need to dial area code 227 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 227

Urban centers, census places, and communities within the +1-227 calling area

50 Major Cities Listed
City NameCountyPopulation% of 227 Pop
FrederickFrederick County92,05915.1%
GaithersburgMontgomery County71,11311.7%
RockvilleMontgomery County67,56311.1%
HagerstownWashington County44,2287.3%
College ParkPrince George's County35,4185.8%
LaurelHoward County30,2545.0%
GreenbeltPrince George's County24,9484.1%
HyattsvillePrince George's County21,1583.5%
CumberlandAllegany County18,7993.1%
Takoma ParkPrince George's County17,2602.8%
New CarrolltonPrince George's County13,6442.2%
La PlataCharles County12,1372.0%
Mount AiryCarroll County9,8571.6%
BladensburgPrince George's County9,6711.6%
BrunswickFrederick County9,3801.5%
Mount RainierPrince George's County8,3071.4%
Riverdale ParkPrince George's County7,3431.2%
FrostburgAllegany County6,9791.1%
WalkersvilleFrederick County6,5011.1%
GlenardenPrince George's County6,4221.1%

Counties Covered by Area Code 227

Geographic county distribution and population coverage across Maryland

County NameTotal Population% of 227 Area% of County
Prince George's County964,59630.2%19%
Montgomery County1,073,04524.6%14%
Frederick County298,85520.6%42%
Washington County157,1409.0%35%
Howard County337,7955.0%9%
Allegany County66,9844.2%38%
Charles County174,4992.7%9%
Carroll County176,7901.6%6%
Garrett County28,4170.9%20%
St. Mary's County116,2160.8%4%
Caroline County34,0590.3%5%

☎️Area Code 227 Exchange Prefixes & Carriers

Showing 50 of 143 central office 3-digit prefixes and assigned telecom carriers

41% Landline29% Wireless30% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(227) 200-📱WirelessWSHNGTNZN2NEW CINGULAR WIRELESS PCS, LLC - DC08/04/2023
(227) 201-📱WirelessMYERSVILLENEW CINGULAR WIRELESS PCS, LLC - DC08/04/2023
(227) 202-📱WirelessWSNGTNZN10NEW CINGULAR WIRELESS PCS, LLC - DC08/04/2023
(227) 203-📞LandlineFREDERICKMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD08/15/2023
(227) 204-📞LandlineWSNGTNZN10OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC08/31/2023
(227) 205-📞LandlineWSHNGTNZN4OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC08/31/2023
(227) 206-📞LandlineWSHNGTNZN5OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC08/31/2023
(227) 207-📞LandlineBITTINGERCOMMIO, LLC09/01/2023
(227) 208-📞LandlineFLINTSTONECOMMIO, LLC09/01/2023
(227) 209-📞LandlineGRANTSVLCOMMIO, LLC09/01/2023
(227) 210-📞LandlineMCCOOLECOMMIO, LLC09/01/2023
(227) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(227) 212-📞LandlineWESTERNPTCOMMIO, LLC09/01/2023
(227) 213-📞LandlineASHTON236OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC09/06/2023
(227) 214-📱WirelessMYERSVILLENEW CINGULAR WIRELESS PCS, LLC - DC09/11/2023
(227) 215-📱WirelessLAUREL236NEW CINGULAR WIRELESS PCS, LLC - DC09/20/2023
(227) 216-📱WirelessWSNGTNZN10NEW CINGULAR WIRELESS PCS, LLC - DC09/20/2023
(227) 217-📱WirelessMYERSVILLENEW CINGULAR WIRELESS PCS, LLC - DC10/12/2023
(227) 218-📞LandlineWSNG236Z14OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC10/19/2023
(227) 219-📞LandlineASHTON236MCIMETRO ACCESS TRANSMISSION SERVICES LLC10/25/2023
(227) 220-📱WirelessWALDORFNEW CINGULAR WIRELESS PCS, LLC - DC11/03/2023
(227) 221-📞LandlineSMITHSBURGCOMMIO, LLC11/21/2023
(227) 222-📞LandlineWSNGTNZN16WIDE VOICE, LLC - MD10/17/2023
(227) 223-📞LandlineFREDERICKCOMMIO, LLC11/21/2023
(227) 224-📱WirelessWSHNGTNZN2NEW CINGULAR WIRELESS PCS, LLC - DC12/22/2023
(227) 225-📱WirelessLAUREL236NEW CINGULAR WIRELESS PCS, LLC - DC12/27/2023
(227) 226-💻VoIPFREDERICKONVOY, LLC - MD01/29/2024
(227) 227-💻VoIPGAITHERSBGONVOY, LLC - MD01/29/2024
(227) 228-💻VoIPWSHNGTNZN2ONVOY, LLC - MD01/29/2024
(227) 229-💻VoIPWSHNGTNZN4ONVOY, LLC - MD01/29/2024
(227) 230-💻VoIPWSHNGTNZN5ONVOY, LLC - MD01/29/2024
(227) 231-💻VoIPWSHNGTNZN6ONVOY, LLC - MD01/29/2024
(227) 232-💻VoIPLAUREL236ONVOY, LLC - MD02/02/2024
(227) 233-📱WirelessWSHNGTNZN2NEW CINGULAR WIRELESS PCS, LLC - DC02/08/2024
(227) 234-💻VoIPLEONARDTNONVOY, LLC - MD03/08/2024
(227) 235-📞LandlineHUGHESVLOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC03/13/2024
(227) 236-📱WirelessWSNGTNZN10NEW CINGULAR WIRELESS PCS, LLC - DC03/18/2024
(227) 237-📱WirelessMYERSVILLENEW CINGULAR WIRELESS PCS, LLC - DC04/12/2024
(227) 238-📞LandlineWSNG236Z14OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC04/17/2024
(227) 239-📞LandlineHAGERSTOWNCALLWORKS CORPORATION05/20/2024
(227) 240-💻VoIPWSNGTNZN11BANDWIDTH.COM CLEC, LLC - MD05/20/2024
(227) 241-📱WirelessWSNGTNZN10NEW CINGULAR WIRELESS PCS, LLC - DC05/23/2024
(227) 242-💻VoIPMIDDLETOWNONVOY, LLC - MD06/05/2024
(227) 243-💻VoIPASHTON236ONVOY, LLC - MD06/12/2024
(227) 244-📞LandlineRIDGEHD CARRIER LLC05/28/2024
(227) 245-💻VoIPGAITHERSBGONVOY, LLC - MD06/13/2024
(227) 246-📞LandlineWSHNGTNZN5OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC06/20/2024
(227) 247-💻VoIPTHURMONTONVOY, LLC - MD06/24/2024
(227) 248-💻VoIPWSHNGTNZN2ONVOY, LLC - MD07/03/2024
(227) 249-💻VoIPWSHNGTNZN4BANDWIDTH.COM CLEC, LLC - MD07/11/2024

Frequently Asked Questions about Area Code 227

Where is area code 227 located?

Area code 227 is located in Maryland (United States), serving cities like Frederick, Gaithersburg, Rockville, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland, Takoma Park.

What timezone is area code 227?

Area code 227 operates in the Eastern timezone.

What state is area code 227?

Area code 227 is assigned to the state / telecom territory of Maryland.

Is area code 227 a scam or dangerous?

Area code 227 is an official geographic area code for Maryland. However, beware of robocaller spoofing.

Maryland State Area Codes

View complete directory of telephone area codes assigned to Maryland.

Explore Maryland Directory

Get a 227 Business Phone Number

How to acquire a virtual phone number or business line with area code 227 for local customer trust in Maryland.

Get 227 Business Number
🛡️ Scam & Safety Directory

Check high-risk international callback scam area codes and robocall warning databases.

Scam Area Codes 2026

Overlay & Nearby Area Codes for Maryland

Explore neighboring telecom prefixes sharing geographical boundaries with area code 227.

240
Eastern
Area Code 240
Frederick, Gaithersburg, Rockville, Bowie, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland
301
Eastern
Area Code 301
Frederick, Gaithersburg, Rockville, Bowie, Hagerstown, College Park, Laurel, Greenbelt, Hyattsville, Cumberland
410
Eastern
Area Code 410
Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge
443
Eastern
Area Code 443
Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge
667
Eastern
Area Code 667
Baltimore, Bowie, Annapolis, Salisbury, Westminster, Aberdeen, Easton, Elkton, Havre De Grace, Cambridge