720:
982:
896:
986:
951:
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.
876:
108:
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 (
92:(CLASS or LASS) codes in the 1960s and 70s. Their use became ubiquitous throughout the 1990s and eventually became a recognized standard. As
101:
129:
85:
1023:
991:
1028:
677:
132:
for use in the NANP territories. Not all of these services are available in all areas, and some are only available on
706:
997:
834:
17:
873:
746:
1018:
606:
481:
799:
54:
to access certain telephone service features. Some vertical service codes require dialing of a
206:
Call Hold (Single Line
Variety Package). Permits the call to be picked up at another station.
927:
8:
899:
This only allows one to return the last unanswered call, and can cost 35 cents per use.
113:
910:
773:
724:
593:
318:
1001:
691:
631:
369:
55:
47:
973:
880:
440:
427:
291:
228:
Distinctive Ring C. Allows a subscriber to alert a specific party distinctively.
217:
Distinctive Ring B. Allows a subscriber to alert a specific party distinctively.
143:
Local Area
Signalling Services (LASS) and Custom Calling Feature Control Codes:
78:
1012:
700:
530:
517:
467:
453:
266:
253:
63:
402:
137:
128:
The following are the vertical service codes generally recommended by the
51:
43:
711:
239:
59:
696:
580:
304:
81:
195:. Provides the directory number, date and time of unanswered calls.
133:
39:
869:
892:
70:. On rotary dial telephones, the star is replaced by dialing
544:
27:
Telephone dialing code for access to service features
62:
telephone, the codes are usually initiated with the
1010:
835:"HOW TO: block your number when calling someone"
772:voyager (April 15, 1995). Erik Bloodaxe (ed.).
874:"Telstra Home Phones and Plans – Call Return"
753:. North American Numbering Plan Administrator
102:North American Numbering Plan Administration
800:"Vertical Service Codes – Code Assignments"
747:"Vertical Service Codes – Code Definitions"
130:North American Numbering Plan Administrator
38:) is a sequence of digits and the signals
960:1832 on landlines, or *31# from a mobile
824:1831 on landlines, or #31# from a mobile
86:American Telephone and Telegraph Company
908:1361 to get number, 1363 to call back.
771:
14:
1011:
123:
66:, resulting in the commonly used name
897:"Optus Personal – Using Call Return"
859:141 on landlines and #31# on mobiles
741:
739:
96:was an AT&T trademark, the term
90:Custom Local Area Signaling Services
620:Deactivate call forwarding on busy
24:
569:Selective call forwarding disable
242:(Malicious caller identification)
25:
1040:
967:
736:
707:Public switched telephone network
358:Activate call forwarding on busy
331:Calling number delivery blocking
985: This article incorporates
980:
974:ETSI Supplementary service codes
718:
428:Unconditional forward: All calls
120:) to another telephone company.
998:General Services Administration
954:
945:
703:implementations of VSC features
656:Conditional forward: No answer
645:Conditional forward: Busy line
416:Usage sensitive three-way call
902:
885:
862:
853:
827:
818:
792:
765:
58:after the code sequence. On a
13:
1:
1024:North American Numbering Plan
729:
699:– Prompt voice for most U.S.
84:, VSCs were developed by the
674:
671:
663:
660:
652:
649:
641:
638:
627:
624:
616:
613:
602:
599:
589:
586:
576:
573:
565:
562:
557:
555:
553:
551:
548:
540:
537:
526:
523:
513:
510:
502:
499:
491:
488:
477:
474:
463:
460:
449:
446:
436:
433:
423:
420:
412:
409:
398:
395:
390:
385:
382:
379:
374:
365:
362:
354:
351:
344:
342:
340:
338:
333:
327:
324:
314:
311:
300:
297:
286:
283:
275:
272:
262:
259:
249:
246:
235:
232:
224:
221:
213:
210:
202:
199:
188:
185:
7:
1029:Telephone numbers in Canada
685:
145:
10:
1045:
678:Wireless Priority Service
168:
165:
162:
159:
156:
153:
150:
607:Anonymous call rejection
594:Continuous redial cancel
482:Anonymous call rejection
895:HFC Telephony network.
879:March 14, 2011, at the
506:Do not disturb disable
279:Selective call waiting
993:Federal Standard 1037C
987:public domain material
725:Telephones portal
667:Directed call pickup
518:Call blocking disable
151:Vertical service code
98:vertical service code
32:vertical service code
1004:on January 22, 2022.
928:"Number OSIRASE 136"
545:Caller ID (per call)
441:Call forward: Cancel
307:delivery activation
147:
124:Feature definitions
112:) inside the local
100:was adopted by the
154:Service definition
146:
751:NationalNANPA.com
683:
682:
581:Caller ID disable
319:Continuous redial
16:(Redirected from
1036:
1019:Calling features
1006:
1005:
1000:. Archived from
984:
983:
961:
958:
952:
949:
943:
942:
940:
938:
925:
923:
921:
906:
900:
889:
883:
866:
860:
857:
851:
850:
848:
846:
839:Telstra Exchange
831:
825:
822:
816:
815:
813:
811:
796:
790:
789:
787:
785:
769:
763:
762:
760:
758:
743:
723:
722:
721:
692:Mobile dial code
632:Last-call return
370:Last-call return
148:
116:instead of out (
56:telephone number
48:telephone keypad
46:(#) dialed on a
21:
1044:
1043:
1039:
1038:
1037:
1035:
1034:
1033:
1009:
1008:
990:
981:
979:
970:
965:
964:
959:
955:
950:
946:
936:
934:
926:
919:
917:
909:
907:
903:
890:
886:
881:Wayback Machine
867:
863:
858:
854:
844:
842:
833:
832:
828:
823:
819:
809:
807:
798:
797:
793:
783:
781:
778:Phrack Magazine
774:"The #hack FAQ"
770:
766:
756:
754:
745:
744:
737:
732:
719:
717:
688:
495:Do not disturb
387:
376:
346:
335:
292:call forwarding
180:
175:
126:
28:
23:
22:
18:Service feature
15:
12:
11:
5:
1042:
1032:
1031:
1026:
1021:
977:
976:
969:
968:External links
966:
963:
962:
953:
944:
901:
884:
861:
852:
826:
817:
791:
764:
734:
733:
731:
728:
715:
714:
709:
704:
694:
687:
684:
681:
680:
675:
673:
669:
668:
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662:
658:
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654:
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647:
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636:
635:
629:
626:
622:
621:
618:
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611:
610:
604:
601:
597:
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591:
588:
584:
583:
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571:
570:
567:
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560:
559:
556:
554:
552:
550:
547:
542:
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534:
528:
525:
521:
520:
515:
512:
508:
507:
504:
501:
497:
496:
493:
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486:
485:
479:
476:
472:
471:
465:
462:
458:
457:
451:
448:
444:
443:
438:
435:
431:
430:
425:
422:
418:
417:
414:
411:
407:
406:
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397:
393:
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389:
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373:
367:
364:
360:
359:
356:
353:
349:
348:
343:
341:
339:
337:
332:
329:
326:
322:
321:
316:
313:
309:
308:
305:Calling number
302:
299:
295:
294:
288:
285:
281:
280:
277:
274:
270:
269:
264:
261:
257:
256:
251:
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244:
243:
237:
234:
230:
229:
226:
223:
219:
218:
215:
212:
208:
207:
204:
201:
197:
196:
190:
187:
183:
182:
177:
171:
170:
167:
164:
161:
158:
155:
152:
136:telephones or
125:
122:
114:central office
88:(AT&T) as
79:North American
26:
9:
6:
4:
3:
2:
1041:
1030:
1027:
1025:
1022:
1020:
1017:
1016:
1014:
1007:
1003:
999:
995:
994:
988:
975:
972:
971:
957:
948:
933:
929:
916:
912:
911:"NewsRelease"
905:
898:
894:
888:
882:
878:
875:
871:
865:
856:
840:
836:
830:
821:
805:
801:
795:
779:
775:
768:
752:
748:
742:
740:
735:
727:
726:
713:
710:
708:
705:
702:
698:
695:
693:
690:
689:
679:
676:
670:
666:
659:
655:
648:
644:
637:
633:
630:
623:
619:
612:
609:deactivation
608:
605:
598:
595:
592:
585:
582:
579:
572:
568:
561:
546:
543:
536:
532:
531:Priority call
529:
522:
519:
516:
509:
505:
498:
494:
487:
483:
480:
473:
470:(30 numbers)
469:
468:Speed calling
466:
459:
455:
454:Speed calling
452:
445:
442:
439:
432:
429:
426:
419:
415:
408:
404:
401:
394:
371:
368:
361:
357:
350:
330:
323:
320:
317:
310:
306:
303:
296:
293:
289:
282:
278:
271:
268:
267:Priority call
265:
258:
255:
254:Call blocking
252:
245:
241:
238:
231:
227:
220:
216:
209:
205:
198:
194:
193:Who called me
191:
184:
178:
173:
172:
149:
144:
141:
139:
138:Mobile phones
135:
131:
121:
119:
115:
111:
107:
104:. The use of
103:
99:
95:
91:
87:
83:
80:
75:
73:
69:
65:
61:
57:
53:
49:
45:
41:
37:
33:
19:
1002:the original
992:
978:
956:
947:
935:. Retrieved
931:
918:. Retrieved
914:
904:
887:
864:
855:
843:. Retrieved
838:
829:
820:
808:. Retrieved
803:
794:
782:. Retrieved
777:
767:
755:. Retrieved
750:
716:
456:(8 numbers)
403:Call waiting
192:
142:
127:
118:horizontally
117:
109:
105:
97:
93:
89:
76:
71:
67:
35:
31:
29:
780:. p. 7
484:activation
372:(incoming)
52:rotary dial
1013:Categories
730:References
712:Short code
549:*31#/1832
290:Selective
240:Call trace
110:vertically
68:star codes
60:touch tone
44:pound/hash
872:services
868:*10# for
841:. Telstra
810:March 18,
806:. Neustar
804:NANPA.com
784:March 18,
697:Pat Fleet
157:Australia
82:telephony
937:June 20,
932:NTT West
920:June 20,
915:NTT East
877:Archived
757:July 30,
701:AT&T
686:See also
533:disable
405:disable
181:dialing
134:landline
106:vertical
64:star key
42:(*) and
891:*69 on
870:Telstra
845:May 28,
634:cancel
375:*69 HFC
176:dialing
163:Israel
160:France
989:from
893:Optus
672:*272
664:1194
653:1192
642:1190
628:1189
617:1188
603:1187
590:1186
577:1185
566:1183
558:1470
541:1182
527:1181
514:1180
503:1179
492:1178
478:1177
464:1175
450:1174
437:1173
424:1172
413:1171
399:1170
391:1471
388:1363
380:3131
377:*10#
366:1169
355:1168
347:#31#
336:#31#
328:1167
315:1166
301:1165
287:1163
276:1162
263:1161
250:1160
236:1157
225:1154
214:1153
203:1152
189:1151
179:Pulse
166:Japan
94:CLASS
939:2013
922:2013
847:2017
812:2013
786:2013
759:2022
661:*94
650:*92
639:*90
625:*89
614:*88
600:*87
587:*86
574:*85
563:*83
538:*82
524:*81
511:*80
500:*79
489:*78
475:*77
461:*75
447:*74
434:*73
421:*72
410:*71
396:*70
386:1361
383:*42
363:*69
352:*68
334:1831
325:*67
312:*66
298:*65
284:*63
273:*62
260:*61
247:*60
233:*57
222:*54
211:*53
200:*52
186:*51
174:Tone
40:star
345:141
169:UK
77:In
50:or
36:VSC
1015::
996:.
930:.
913:.
837:.
802:.
776:.
749:.
738:^
140:.
74:.
72:11
30:A
941:.
924:.
849:.
814:.
788:.
761:.
34:(
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.