Vertical Service Code - List of Vertical Service Codes

List of Vertical Service Codes

The following are the VSCs generally used in the North American Numbering Plan. Not all of these services are available in all areas, and some are only available to landline or cellular telephones. Some require additional services be purchased from the telephone company to use them.

Local Area Signalling Services (LASS) and Custom Calling Feature Control Codes:

Sortable table
Service Tone Pulse/rotary Notes
Cancel forwarding *30 n/a
Automatic Forwarding *31 n/a
Notify *32 n/a
Intercom Ring 1 (short short) *51 1151
Intercom Ring 2 (short short long) *52 1152
Intercom Ring 3 (short long short) *53 1153
Extension Hold *54 1154
Customer Originated Trace *57 1157
Selective Call Rejection (or Call Screen) *61 1160
Selective Distinct Alert *61 1161
Selective Call Acceptance *62 1162
Selective Call Forwarding *63 1163
ICLID Activation *65 1165
Busy Number Redial *66 1166
Number Display Blocking (per call) *67 1167
Computer Access Restriction *68 1168
Call Return (incoming) *69 1169
Call Waiting disable *70 1170
No Answer Call Transfer *71 1171
Usage Sensitive 3 way call *71 1171
Call Forwarding: start *72 1172
Call Forwarding: cancel *73 1173
Speed Calling (8 numbers) *74 1174
Speed Calling (30 numbers) *75 1175
Anonymous Call Rejection *77 1177
Call Screen Disable *80 1180 (or Call Screen)
Selective Distinct Disable *81 1181
Number Display Unblocking (per call) *82 1182
Select. Forwarding Disable *83 1183
Caller ID Disable *85 1185
Busy Number Redial Cancel *86 1186
Anonymous Call Rejection Disable *87 1187
Call Return Cancel *89 1189
Voice-mail *98 1198

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