City of Glenarden, MD

CodeRED General Frequently Asked Questions

General CodeRED FAQ's

CodeRED is a web-based critical communication solution that enables local public safety personnel to notify residents and business by telephone, text message, email, and social media of time sensitive information, emergencies, or urgent notifications. The system can reach hundreds of thousands of individuals in minutes to ensure emergency notification reach the intended recipient. Only authorized officials have access to send alerts using the CodeRED system.
Any message regarding the safety of our residents and community will be disseminated using CodeRED. We will send out alerts via phone text, email, and social media when the life safety of the residents of City of Glenarden will be directly affected by an emergency. This is a community alert system to ensure you remain informed of important information. Please keep in mind that as you register to receive CodeRED alerts, you have the ability to select the types of messages you wish to receive and your preferred means of communications.

It is possible to receive text notifications to a wireless device or email account. If you wish to receive email or text notifications, enter the desired email address in the appropriate field of the self-registration page. The City will not be responsible for any fees associated with delivery or receipt of text or email messages. If you are unsure of your text or email fees, contact your wireless provider.

Additionally, be aware that capabilities of various cell phone models and limitations of wireless carrier networks may impact delivery of email and text messages. Timely and complete delivery of these email and text messages is not implied or guaranteed.

No, registering for CodeRED phone calls, text messages, and email are free. Simply sign up on our enrollment website and select your preferred means of communications.
You will receive the CodeRED call when your caller ID displays the following numbers.

  • (866) 419-5000 or Emergency Alert for Emergency Notifications
  • (855) 969-4636 or Community Alert for General Notifications
  • (800) 566-9780 or Weather Alert for CodeRED Weather Warning Alerts

We suggest that you program these numbers into your cellphone as a “new contact” and use “CodeRED” as the contact name. If you need to replay the message receive, you can dial this number and listen to the message again in its entirety.
CodeRED is an important tool to help keep you informed and prepared for any emergencies that may occur in City of Glenarden. Officials will send messages to alert you of emergency details, instructions, or precautions that you need in order to make well-informed decisions and remain safe. This system is precise enough to geo-target residents within an exact area of impact, so that only those people who are affected by emergency situation are notified.
Visit the City of Glenarden CodeRED enrollment website and enter the required information online (address, phone number(s), This is the quickest way to sign up because the information you supply is immediately registered in the system. If you do not have Internet at home, please consider visiting a library or asking a friend or family member for assistance.

You may also use your mobile device to text the word GLENARDEN to 99411
No, residents should assume that their information is not is the CodeRED system until online registration is complete.
Make sure to have at least one working corded telephone on hand for these situations. However, when signing up for CodeRED, you may indicate both a primary and alternative phone number. Cell phones and/or work phone numbers can be entered as alternatives. Both your primary and your alternative phone numbers will be contacted in the event of a CodeRED notification.
If you receive a CodeRED phone call, listen carefully to the entire message. You can repeat the message by pressing any key. Do not call 911 for further information unless directed to so, or you need immediate aide from the police or fire department. If you receive a CodeRED email or text message, please be sure to read the entire message carefully and follow all instructions.
The CodeRED system will leave a message on your answering machine or voicemail if you miss a CodeRED phone call. If you do not have an answering machine the system will consider the call as “incomplete” and will attempt to call again after several minutes have passed. If your phone line is busy, CodeRED will try two more times to connect. At any point, you may re-dial the 800 number on your caller ID to hear a replay of the message sent.
  • If you do not have a landline and did not register a cell phone or alternate phone number or email.
  • If your contact information has changed and you have not re-registered your information.
  • If you only have a landline at your residence, the power is out and you did not register an alternate phone number.
  • If your landline is busy for an extended time and your calls do not forward to voicemail or an answering machine. CodeRED will NOT override the current call.
  • If you have call blocking on your main phone and you did not register an alternate phone. City of Glenarden will receive a report of undelivered calls and can instruct the CodeRED system to begin another round of calls to busy numbers. It is best to have an alternate phone number in the calling database for these situations.
CodeRED offers a mobile app for Android and IPhone devices. All residents and business owners are encouraged to download the free app to receive alerts based on the geo-location of your phone. As you travel throughout other CodeRED communities, you can receive important alerts from those communities. You can customize the types of alerts you would like to receive, alert radius, sounds and more. Download the CodeRED Mobile alert app.

Click on the video below to learn more about the CodeRED Mobile alert app.

If you used your Google, Facebook or Twitter account to sign up you will need to reset your password for those accounts within the respective sites. If you created a unique username, first try the “forgot my password” option. If you forgot your username as well, please reach out to client support at (866) 939-0911 (Monday-Friday 8:00 a.m.-7:00 p.m.) or email
Open the mobile app and hit “settings” in the top-right corner. From this page, click “select alert types,” and from here you can review each category of alerts and de-select any types you don’t want to receive.
We may not have sent out an alert and your location didn’t fall into the alert radius. The City of Glenarden public safety officials try to target alerts as close as possible to avoid over-alerting the community. We encourage you to engage with your local officials if you’re curious to learn more about how we use the system!
If you are currently receiving emergency or community notifications from CodeRED in your area but would like to stop receiving them, please visit Opt-Out of CodeRED Notifications page. 

OnSolve CodeRED is an emergency notification provider your local public safety officials use to send out alerts and time-sensitive notifications. If you opt-out you will no longer receive these potentially life-saving alerts – but don’t worry, you can opt back in at any time.
Please direct additional questions to the City of Glenarden at 301-773-2100 or email