709:
971:
885:
975:
940:
After dialing 1471, the caller can press "3" to automatically return the call. Previously free, since August 2004 the return call service incurs a charge.
865:
97:
is a somewhat dated reference to older switching methods and the fact that these services can only be accessed by a telephone subscriber, going up (
81:(CLASS or LASS) codes in the 1960s and 70s. Their use became ubiquitous throughout the 1990s and eventually became a recognized standard. As
90:
118:
74:
1012:
980:
1017:
666:
121:
for use in the NANP territories. Not all of these services are available in all areas, and some are only available on
695:
986:
823:
862:
735:
1007:
595:
470:
788:
43:
to access certain telephone service features. Some vertical service codes require dialing of a
195:
Call Hold (Single Line
Variety Package). Permits the call to be picked up at another station.
916:
8:
888:
This only allows one to return the last unanswered call, and can cost 35 cents per use.
102:
899:
762:
713:
582:
307:
990:
680:
620:
358:
44:
36:
962:
869:
429:
416:
280:
217:
Distinctive Ring C. Allows a subscriber to alert a specific party distinctively.
206:
Distinctive Ring B. Allows a subscriber to alert a specific party distinctively.
132:
Local Area
Signalling Services (LASS) and Custom Calling Feature Control Codes:
67:
1001:
689:
519:
506:
456:
442:
255:
242:
52:
391:
126:
117:
The following are the vertical service codes generally recommended by the
40:
32:
700:
228:
48:
685:
569:
293:
70:
184:. Provides the directory number, date and time of unanswered calls.
122:
28:
858:
881:
59:. On rotary dial telephones, the star is replaced by dialing
533:
16:
Telephone dialing code for access to service features
51:
telephone, the codes are usually initiated with the
999:
824:"HOW TO: block your number when calling someone"
761:voyager (April 15, 1995). Erik Bloodaxe (ed.).
863:"Telstra Home Phones and Plans – Call Return"
742:. North American Numbering Plan Administrator
91:North American Numbering Plan Administration
789:"Vertical Service Codes – Code Assignments"
736:"Vertical Service Codes – Code Definitions"
119:North American Numbering Plan Administrator
27:) is a sequence of digits and the signals
949:1832 on landlines, or *31# from a mobile
813:1831 on landlines, or #31# from a mobile
75:American Telephone and Telegraph Company
897:1361 to get number, 1363 to call back.
760:
1000:
112:
55:, resulting in the commonly used name
886:"Optus Personal – Using Call Return"
848:141 on landlines and #31# on mobiles
730:
728:
85:was an AT&T trademark, the term
79:Custom Local Area Signaling Services
609:Deactivate call forwarding on busy
13:
558:Selective call forwarding disable
231:(Malicious caller identification)
14:
1029:
956:
725:
696:Public switched telephone network
347:Activate call forwarding on busy
320:Calling number delivery blocking
974: This article incorporates
969:
963:ETSI Supplementary service codes
707:
417:Unconditional forward: All calls
109:) to another telephone company.
987:General Services Administration
943:
934:
692:implementations of VSC features
645:Conditional forward: No answer
634:Conditional forward: Busy line
405:Usage sensitive three-way call
891:
874:
851:
842:
816:
807:
781:
754:
47:after the code sequence. On a
1:
1013:North American Numbering Plan
718:
688:– Prompt voice for most U.S.
73:, VSCs were developed by the
663:
660:
652:
649:
641:
638:
630:
627:
616:
613:
605:
602:
591:
588:
578:
575:
565:
562:
554:
551:
546:
544:
542:
540:
537:
529:
526:
515:
512:
502:
499:
491:
488:
480:
477:
466:
463:
452:
449:
438:
435:
425:
422:
412:
409:
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398:
387:
384:
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374:
371:
368:
363:
354:
351:
343:
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333:
331:
329:
327:
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300:
289:
286:
275:
272:
264:
261:
251:
248:
238:
235:
224:
221:
213:
210:
202:
199:
191:
188:
177:
174:
7:
1018:Telephone numbers in Canada
674:
134:
10:
1034:
667:Wireless Priority Service
157:
154:
151:
148:
145:
142:
139:
596:Anonymous call rejection
583:Continuous redial cancel
471:Anonymous call rejection
884:HFC Telephony network.
868:March 14, 2011, at the
495:Do not disturb disable
268:Selective call waiting
982:Federal Standard 1037C
976:public domain material
714:Telephones portal
656:Directed call pickup
507:Call blocking disable
140:Vertical service code
87:vertical service code
21:vertical service code
993:on January 22, 2022.
917:"Number OSIRASE 136"
534:Caller ID (per call)
430:Call forward: Cancel
296:delivery activation
136:
113:Feature definitions
101:) inside the local
89:was adopted by the
143:Service definition
135:
740:NationalNANPA.com
672:
671:
570:Caller ID disable
308:Continuous redial
1025:
1008:Calling features
995:
994:
989:. Archived from
973:
972:
950:
947:
941:
938:
932:
931:
929:
927:
914:
912:
910:
895:
889:
878:
872:
855:
849:
846:
840:
839:
837:
835:
828:Telstra Exchange
820:
814:
811:
805:
804:
802:
800:
785:
779:
778:
776:
774:
758:
752:
751:
749:
747:
732:
712:
711:
710:
681:Mobile dial code
621:Last-call return
359:Last-call return
137:
105:instead of out (
45:telephone number
37:telephone keypad
35:(#) dialed on a
1033:
1032:
1028:
1027:
1026:
1024:
1023:
1022:
998:
997:
979:
970:
968:
959:
954:
953:
948:
944:
939:
935:
925:
923:
915:
908:
906:
898:
896:
892:
879:
875:
870:Wayback Machine
856:
852:
847:
843:
833:
831:
822:
821:
817:
812:
808:
798:
796:
787:
786:
782:
772:
770:
767:Phrack Magazine
763:"The #hack FAQ"
759:
755:
745:
743:
734:
733:
726:
721:
708:
706:
677:
484:Do not disturb
376:
365:
335:
324:
281:call forwarding
169:
164:
115:
17:
12:
11:
5:
1031:
1021:
1020:
1015:
1010:
966:
965:
958:
957:External links
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952:
951:
942:
933:
890:
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723:
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305:
302:
298:
297:
294:Calling number
291:
288:
284:
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277:
274:
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269:
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185:
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176:
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166:
160:
159:
156:
153:
150:
147:
144:
141:
125:telephones or
114:
111:
103:central office
77:(AT&T) as
68:North American
15:
9:
6:
4:
3:
2:
1030:
1019:
1016:
1014:
1011:
1009:
1006:
1005:
1003:
996:
992:
988:
984:
983:
977:
964:
961:
960:
946:
937:
922:
918:
905:
901:
900:"NewsRelease"
894:
887:
883:
877:
871:
867:
864:
860:
854:
845:
829:
825:
819:
810:
794:
790:
784:
768:
764:
757:
741:
737:
731:
729:
724:
716:
715:
702:
699:
697:
694:
691:
687:
684:
682:
679:
678:
668:
665:
659:
655:
648:
644:
637:
633:
626:
622:
619:
612:
608:
601:
598:deactivation
597:
594:
587:
584:
581:
574:
571:
568:
561:
557:
550:
535:
532:
525:
521:
520:Priority call
518:
511:
508:
505:
498:
494:
487:
483:
476:
472:
469:
462:
459:(30 numbers)
458:
457:Speed calling
455:
448:
444:
443:Speed calling
441:
434:
431:
428:
421:
418:
415:
408:
404:
397:
393:
390:
383:
360:
357:
350:
346:
339:
319:
312:
309:
306:
299:
295:
292:
285:
282:
278:
271:
267:
260:
257:
256:Priority call
254:
247:
244:
243:Call blocking
241:
234:
230:
227:
220:
216:
209:
205:
198:
194:
187:
183:
182:Who called me
180:
173:
167:
162:
161:
138:
133:
130:
128:
127:Mobile phones
124:
120:
110:
108:
104:
100:
96:
93:. The use of
92:
88:
84:
80:
76:
72:
69:
64:
62:
58:
54:
50:
46:
42:
38:
34:
30:
26:
22:
991:the original
981:
967:
945:
936:
924:. Retrieved
920:
907:. Retrieved
903:
893:
876:
853:
844:
832:. Retrieved
827:
818:
809:
797:. Retrieved
792:
783:
771:. Retrieved
766:
756:
744:. Retrieved
739:
705:
445:(8 numbers)
392:Call waiting
181:
131:
116:
107:horizontally
106:
98:
94:
86:
82:
78:
65:
60:
56:
24:
20:
18:
769:. p. 7
473:activation
361:(incoming)
41:rotary dial
1002:Categories
719:References
701:Short code
538:*31#/1832
279:Selective
229:Call trace
99:vertically
57:star codes
49:touch tone
33:pound/hash
861:services
857:*10# for
830:. Telstra
799:March 18,
795:. Neustar
793:NANPA.com
773:March 18,
686:Pat Fleet
146:Australia
71:telephony
926:June 20,
921:NTT West
909:June 20,
904:NTT East
866:Archived
746:July 30,
690:AT&T
675:See also
522:disable
394:disable
170:dialing
123:landline
95:vertical
53:star key
31:(*) and
880:*69 on
859:Telstra
834:May 28,
623:cancel
364:*69 HFC
165:dialing
152:Israel
149:France
978:from
882:Optus
661:*272
653:1194
642:1192
631:1190
617:1189
606:1188
592:1187
579:1186
566:1185
555:1183
547:1470
530:1182
516:1181
503:1180
492:1179
481:1178
467:1177
453:1175
439:1174
426:1173
413:1172
402:1171
388:1170
380:1471
377:1363
369:3131
366:*10#
355:1169
344:1168
336:#31#
325:#31#
317:1167
304:1166
290:1165
276:1163
265:1162
252:1161
239:1160
225:1157
214:1154
203:1153
192:1152
178:1151
168:Pulse
155:Japan
83:CLASS
928:2013
911:2013
836:2017
801:2013
775:2013
748:2022
650:*94
639:*92
628:*90
614:*89
603:*88
589:*87
576:*86
563:*85
552:*83
527:*82
513:*81
500:*80
489:*79
478:*78
464:*77
450:*75
436:*74
423:*73
410:*72
399:*71
385:*70
375:1361
372:*42
352:*69
341:*68
323:1831
314:*67
301:*66
287:*65
273:*63
262:*62
249:*61
236:*60
222:*57
211:*54
200:*53
189:*52
175:*51
163:Tone
29:star
334:141
158:UK
66:In
39:or
25:VSC
1004::
985:.
919:.
902:.
826:.
791:.
765:.
738:.
727:^
129:.
63:.
61:11
19:A
930:.
913:.
838:.
803:.
777:.
750:.
23:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.