![bro, just choose phone number prefix from unsorted list of hundreds of prefixes (AngelList) : r/ProgrammerHumor bro, just choose phone number prefix from unsorted list of hundreds of prefixes (AngelList) : r/ProgrammerHumor](https://preview.redd.it/bro-just-choose-phone-number-prefix-from-unsorted-list-of-v0-wbkovcsr60ea1.png?auto=webp&s=7cbbcdbb6db7991884c48a518723e722a2b59369)
bro, just choose phone number prefix from unsorted list of hundreds of prefixes (AngelList) : r/ProgrammerHumor
![I keep getting these phone calls , they have the same area code and starting 3 numbers of my phone number , but the last 4 numbers vary. Please help. : r/ATT I keep getting these phone calls , they have the same area code and starting 3 numbers of my phone number , but the last 4 numbers vary. Please help. : r/ATT](https://preview.redd.it/crohqmc9fp931.jpg?auto=webp&s=8a23c9a3eb0a3c2109adfedc48a9a9190f091f39)
I keep getting these phone calls , they have the same area code and starting 3 numbers of my phone number , but the last 4 numbers vary. Please help. : r/ATT
![Sistema Telefónico GSM inalámbrico serie PBX / PABX/TP848, con 2 GSM y 16 Ext a 48 Ext, para uso en Hotel o oficina, novedad - AliExpress Sistema Telefónico GSM inalámbrico serie PBX / PABX/TP848, con 2 GSM y 16 Ext a 48 Ext, para uso en Hotel o oficina, novedad - AliExpress](https://ae01.alicdn.com/kf/S8fc845db54044ae7ad1972dae7aa0fe1q.jpg_640x640q90.jpg)
Sistema Telefónico GSM inalámbrico serie PBX / PABX/TP848, con 2 GSM y 16 Ext a 48 Ext, para uso en Hotel o oficina, novedad - AliExpress
![SOLVED:A given region has the telephone prefix 472. a. How many 7-digit telephone numbers are possible with this prefix? b. How many of these possibilities end with 4 unique digits? c. How SOLVED:A given region has the telephone prefix 472. a. How many 7-digit telephone numbers are possible with this prefix? b. How many of these possibilities end with 4 unique digits? c. How](https://cdn.numerade.com/previews/45ec86b4-0452-402d-8d48-17f58a5b5bb4_large.jpg)
SOLVED:A given region has the telephone prefix 472. a. How many 7-digit telephone numbers are possible with this prefix? b. How many of these possibilities end with 4 unique digits? c. How
![Hong Kong police chief says law enforcement, banks stepping up scam prevention, as phone deception cases drop in first quarter | South China Morning Post Hong Kong police chief says law enforcement, banks stepping up scam prevention, as phone deception cases drop in first quarter | South China Morning Post](https://img.i-scmp.com/cdn-cgi/image/fit=contain,width=425,format=auto/sites/default/files/styles/768x768/public/d8/images/canvas/2023/04/22/e9836081-643c-42a6-b0e1-ca283b7f7375_d9714c17.jpg?itok=xjqs8jnA&v=1682153202)