187 does it start with mobile or Unicom?

187 starts with a mobile phone number.

China Unicom is: 186, 185, 176, 175, 166, 156, 155,/kloc-0.

China Mobile is: 134, 135, 136, 137, 138, 139, 144,/kloc-0. 158, 159, 172, 178, 182, 183, 184, 187, 188

The upgrade is implemented in two phases:

The first stage of work was completed in 1998. The modification of mobile roaming number, exchange number, MSC number, voice mail number and short message center number has been completed.

The second stage is1February 24th, 999 to 1999+1October 3rd1. The first step is the user's dual number coexistence test phase (1999 February 24th-July 2nd1).

The second step is the even number operation stage (July 22nd1999-August 2nd1). The promotion has been announced at this stage, and 10/ 1 1 coexist.

The third step is the upgraded recording stage (65438+August 22nd 0999-65438+1October 3rd1,and the international telephone recording notice will be played to199965438+February 3rd1). During this period, for the phone that still dials the number 10, a recorded notice will be played to help users dial correctly.

Step 4: In June 1 999 1 65438+1(international calls to June 65438+ 10/2000), stop playing the upgrade recording notice, and the notification tone is changed to. According to Unicom, after August 22nd, they will constantly remind users to dial the number 1 1.

The Ministry of Industry and Information Technology newly approved the telecom network number segment:

The Ministry of Industry and Information Technology publicized the issuance results of the No.20 10 batch of Telecommunication Network Code Resource Use Certificate in 20 17, and approved the applications for telecommunication network code resources put forward by some units, among which the three major operators all obtained the relevant Internet of Things number segments.

According to the publicity results, the numbers obtained by China Telecom are 1740(0-5) (satellite mobile communication service number), 199(0-9) (public mobile communication network number) and 14 10(0-9) (Internet of Things). China Mobile obtained 198(0-9) segment (public mobile communication network number) and 148(0-9) segment (dedicated segment for Internet of Things service).

Segment 1440(0-9) (internet of things network number) and (460) 13 (mobile network identification code); China Unicom obtained the number 166(0-9) (the number of public mobile communication network) and the number 146(0-9) (the dedicated number segment of Internet of Things service).

20 19 February, the Ministry of Industry and Information Technology issued 190, 197, 196, 192 public mobile communications to China Telecom Group Co., Ltd., China Mobile Communications Group Co., Ltd., China United Network Communications Group Co., Ltd. and China Radio and Television Network Co., Ltd.