One Call Now sends important and informational text alerts for schools, churches, sports teams, public safety agencies, and businesses. These notifications can be voice phone calls, emails, and now, SMS Text messages to cell phones.

How it works

If your organization chooses to use SMS Text Messaging, they will send a voice message to your cell phone telling you how to “opt-in.” To receive text message notifications, you must respond to this message by texting the word Alert to 22300 (the One Call Now short code.) * Message and data rates may apply. T-Mobile is not liable for delayed or undeliverable messages.

When One Call Now receives this Alert text message, we will “Opt-in” your cell phone to receive text alerts and send a confirmation to your cell phone by text. If you are a member of more than one organization using the One Call Now service, you will be “opted-in” for all groups that have your cell number in their calling list. If your preference is to receive text messages for only some, but not all, of these organizations, contact the organization’s group leader or One Call Now’s support team. * Message frequency varies.

You will receive this “opt-in” phone call only if your phone number is in a calling list for an organization using the One Call Now service. If you do not respond by sending the word Alert to One Call Now, you will not receive any text messages from your organization via the One Call Now service.

How to Use Text Messaging

New to Texting? To send a text message, open up the “Menu” on your cell phone and look for the “Messaging” option (this usually looks like an envelope.) Select “New Text Message.” Type in 22300 in the “To” field and type the word Alert in the message field. Note: some cell phones have you type your message first and enter whom you are sending it to second.

Receiving text messages is easy. When a message is received, your phone will notify you. Just select to “view” the message. To view the message again, open up your “Menu,” select “Messaging” (usually an envelope) and select “Inbox.” All the text messages you have recently received will be in your “Inbox.”

How to Opt-Out

If you would like to stop receiving text messages, you can opt-out by texting the word Stop to 22300 from your cell phone. Text messages will be disabled to your number. (You can opt-in again at any time by texting Alert to 22300.)
If you choose to Opt-out of text messaging, you will continue to receive voice phone calls to your cell phone.

One Call Now Support

For further information on our Text Message Notification program or our other messaging services, please call 877-698-3262.


United States (US)

  • Alaska Communications Systems (ACS)
  • ASTAC (Arctic Slope Telephone Cooperative Association)
  • AT&T
  • Atlantic Tele-Network International/Choice Wireless (ATNI)
  • (includes Republic Wireless)
  • Bluegrass Cellular
  • Boost Mobile
  • Boost-CDMA
  • Brightlink
  • C Spire Wireless (aka Cellular South)
  • Carolina West Wireless
  • CellCom
  • Cellular One of N.E. Arizona
  • Chariton Valley Cellular
  • Chat Mobility
  • Cleartalk (Flat Wireless)
  • Copper Valley Telecom
  • Cordova Telephone Cooperative Inc dba Cordova Wireless
  • Cricket Wireless
  • Cross Wireless
  • Duet Wireless
  • East Kentucky Network (Appalachian Wireless)
  • Enflick (TextNow)
  • GCI Communications
  • Golden State
  • Google Voice
  • Illinois Valley Cellular
  • Inland Cellular
  • Inteliquent
  • Iwireless (Iowa Wireless)
  • Leaco Rural Telephone Cooperative
  • Limitless Mobile
  • MetroPCS (GSM)
  • Mid-Rivers Communications
  • MobileNation/SI Wireless
  • Mosaic Telecom
  • MTA Wireless/Matanuska Kenai
  • MTPCS Cellular One (Cellone Nation)
  • Nemont CDMS
  • Nemont US UMTS
  • Nex Tech Communications
  • Northwest Missouri Cellular
  • Panhandle Wireless
  • Peoples Wireless
  • Pine Belt Cellular
  • Pine Cellular
  • Pioneer Cellular
  • Rural Independent Network Alliance (RINA)
  • SouthernLINC
  • Sprint
  • SRT Communications
  • Standing Rock
  • Thumb Cellular
  • T-Mobile
  • TracFone (AT&T)
  • Triangle Mobile
  • Union Telephone
  • United States Cellular Corp
  • United Wireless
  • Verizon
  • Viaero Wireless
  • Virgin Mobile
  • West Central Wireless


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