A method of push messaging, said method being performed by one or more servers, said method comprising: receiving, from a user device of a user, a request to subscribe to a push messaging service of a particular subscription list, with the one or more servers storing lists of phone numbers wherein each phone number corresponds to a specific user for a specific subscription list, the request including contextual information corresponding to the user device of the user, wherein the contextual information includes a geographic location of the user device when a search query was provided via the user device; selecting, in response to receiving the request, a given phone number from a list of phone numbers, wherein the given phone number differs from a phone number of the user device; transmitting, to the user device and in response to receiving the request, a first message that presents a visual indication of the given phone number to enable the user to confirm the request to subscribe to the push messaging service of the particular subscription list; receiving a notification transmitted, by the user device, to the given phone number that is provided to the user device by the one or more servers and that differs from the phone number of the user device, with the notification specifying that the user device communicated a confirmation to receive messages from the particular subscription list; selecting an additional message that presents additional visual information at the user device based, at least in part, on the contextual information and in response to receipt of the notification transmitted to the given phone number by the user device; and transmitting the additional message to the user device. receiving, from a user device of a user, a request to subscribe to a push messaging service of a particular subscription list, with the one or more servers storing lists of phone numbers wherein each phone number corresponds to a specific user for a specific subscription list, the request including contextual information corresponding to the user device of the user, wherein the contextual information includes a geographic location of the user device when a search query was provided via the user device; selecting, in response to receiving the request, a given phone number from a list of phone numbers, wherein the given phone number differs from a phone number of the user device; transmitting, to the user device and in response to receiving the request, a first message that presents a visual indication of the given phone number to enable the user to confirm the request to subscribe to the push messaging service of the particular subscription list; receiving a notification transmitted, by the user device, to the given phone number that is provided to the user device by the one or more servers and that differs from the phone number of the user device, with the notification specifying that the user device communicated a confirmation to receive messages from the particular subscription list; selecting an additional message that presents additional visual information at the user device based, at least in part, on the contextual information and in response to receipt of the notification transmitted to the given phone number by the user device; and transmitting the additional message to the user device.