diff --git a/Rules/UltraMobile/ultra-mobile.yaml b/Rules/UltraMobile/ultra-mobile.yaml
new file mode 100644
index 0000000..e04e0d0
--- /dev/null
+++ b/Rules/UltraMobile/ultra-mobile.yaml
@@ -0,0 +1,17 @@
+# Ultra Mobile
+# https://www.ultramobile.com/
+
+payload:
+  - DOMAIN-SUFFIX,ultramobile.com
+  # - DOMAIN,epdg.epc.mnc240.mcc310.pub.3gppnetwork.org
+  # - DOMAIN,epdg.epc.mnc260.mcc310.pub.3gppnetwork.org
+  # - DOMAIN,ss.epdg.epc.mnc260.mcc310.pub.3gppnetwork.org
+  # - DOMAIN,ss.epdg.epc.geo.mnc260.mcc310.pub.3gppnetwork.org
+  - DOMAIN-SUFFIX,mcc310.pub.3gppnetwork.org
+  - DOMAIN,crl.t-mobile.com
+  - DOMAIN,eas3.msg.t-mobile.com
+  - DOMAIN,mascns.t-mobile.com
+  - DOMAIN,ns.sipgeo.t-mobile.com
+  - IP-CIDR,66.94.0.0/19
+  - IP-CIDR,206.29.177.36/32
+  - IP-CIDR,208.54.0.0/16