Numbering Plan
Numbering Plan คือรูปแบบของกลุ่มตัวเลขใดๆ เพื่อระบุสิ่งใดสิ่งหนึ่ง เช่น numbering plan for
IMSI,IMEI,SIM,ISPC เป็นต้น ยกตัวอย่าง IMEI เช่น IMEI ผมหมายเลข
Information on IMEI 35152100XXXXXXX ก็จะรู้ได้ว่า
เป็น IMEI ของ โทรศัพท์ยี่ห้อ Nokia รุ่น N-Gage ซึ่ง implement GSM Phase 2/2+
ซึ่ง IMEI นี้ออกโดย BABT (British Approvals Board of Telecommunications) จาก UK
Telephone Numbering Plan คือการจัดแบ่ง/รูปแบบ สำหรับระบบโทรศัพท์
Numbering Plan Indicator (NPI) เป็นกลุ่มข้อกำหนด ITU (International Telecommunication Union) ในการกำหนดหมายเลข ประกอบไปด้วย
NPI | Description | Standard |
0 | unknown | |
1 | ISDN Telephony | E.164 |
2 | generic | |
3 | data | X.121 |
4 | telex | F.69 |
5 | maritime mobile | E.210 & E.211 |
6 | land mobile | E.212 |
7 | ISDN/mobile | E.214 |
Country Code
ปัจจุบันเราแบ่งหมายเลขโทรศัพท์ออกเป็น 9 โซน ดังนี้
Zone 1 – North American Numbering Plan Area
Zone 2 – Mostly Africa
Zone 3 – Europe
Zone 4 – Europe
Zone 5 – Mexico, Central and South America, West Indies
Zone 6 – South Pacific and Oceania
Zone 7 – Russia and its vicinity (former Soviet Union)
Zone 8 – East Asia and Special Services
Zone 9 – West, South and Central Asia, Middle East
รูปแบบของหมายเลขโทรศัพท์ (ตาม E.164) จะประกอบไปด้วย
cc=1-3 หลัก
National Destination Code (optional) และ Subscriber Number 12 หลัก
ดังนั้นเลขหมายจะไม่เกิน 15 หลัก
ตัวอย่างหมายเลขในไทย
Area Code: 1-3 digits
Subscriber Number: 6-7 digits
Trunk Prefix: 0
International Prefix: 001
[Thailand mobile numbers are 1 + 7D]
121 cellular mobile - Bangkok area
131 cellular mobile - west of Bangkok area
132 cellular mobile - east of Bangkok area
141 cellular mobile - northeast area
142 cellular mobile - east area
151 cellular mobile - northern area
152 cellular mobile - west area
171 cellular mobile - far southern area
172 cellular mobile - southern area
2 Bangkok, Nonthaburi, Pathum Thani, Samut Prakan
3x Central Region
32 Ban Pong, Bang Saphan, Cha-Am, Chom Bung, Damnoen Saduak, Hua Hin
32 Phetchaburi, Prachuap Khiri Khan, Pran Buri, Pak Tho, Photharam
32 Ratchaburi, Tha Yang, Thap Sakae
34 Amphawa, Ayuthaya, Ban Phaeo, Ban Phraek, Bang Ban, Bang Pa-Han
34 Bang Pa-In, Bang Pla Ma, Bang Sai, Bang Shai, Dan Chang, Don Chedi
34 Duambangnangbuach, Kamphaeng Saen, Kanchanaburi, Krathum Baen
34 Lat Bua Luang, Maharat, Nakhon Chaisi, Nakhon Pathom, Saeng Choo To
34 Sai Yok, Sam Phran, Samut Sakhon, Samut Songkhram, Phachi, Phak Hai
34 Phra-In Racha, Sam Chuk, Sena, Song Phi Nong, Sri Prachan
34 Sungkhla Buri
34 Suphan Buri [incorrectly listed/different from Suphanburi 35?]
34 Tha Maka, Tha Muang, Tha Rua, Thong Pha Phum, U Thong, Wang Noi
34 Wiset Chai Chan
35 Suphanburi
36 Ban Mi, Ban Mo, Kaeng Khoi, Khok Samrong, Lam Narai, Lop Buri
36 Muak Lek, Nongkhae, Phra Phutthabat, Saraburi, Sing Buri
37 Ban Nai, Nakhon Nayok, Sa Kaeo, Ta Phraya, Wang Nam Yen
37 Watthana Nakhon
38 Ao Udom, Ban Chang, Ban Khai, Bang Bung, Bang Khla, Bang Pakong
38 Bang Saen, Chachoengsao, Chon Buri, Klaeng, Mabtaput, Na-Glua
38 Na-Jomtien, Nong Yai, Pattaya, Phan Thong, Phanat Nikhom
38 Phanom Sarakham, Pluak Daeng, Rayong, Sattahip, Si Racha
39 Chanthaburi, Khlung, Tha Mai, Trat
4x Northeastern Region
42 Chiangkhan, Khumphawapi, Kudbak, Kusuma, Loei, Mukdahan
42 Nakhon Phanom, Non Bua Lam Phu, Phang Khon, Phon Phisai
42 Sakon Nakhon, Sawang Daen Din, Toa-Ngoi, Udon Thani, Wangsaphung
42 Wanon Niwet
43 Ban Phai, Chonnabot, Chum Phae, Kalasin, Khao Suan Kwang, Khon Kaen
43 Kosum Phisai, Kra Nuan, Maha Sarakham, Mancha Khiri, Nam Phong
43 Nongrua, Phon, Phu Wiang, Prayeah, Roi Et
44 Ban Gruad, Buri Ram, Chaiyaphum, Chatturat, Huy Raj, Klang Dong
44 Lam Plai Mat, Nahkhon, Nang Rong, Non Sung, Nongki, Pak Chong
44 Pak Thong Chai, Phimai, Phu Khieo, Phutaisong, Ratchasima, Satuk
44 Sikhiu, Soeng Sang
45 Amnat Charoen, Chom Phra, Det Udom, Kantharalak, Khong Chiam
45 Phibun Mangsahan, Prasat, Rattanaburi, Samrongtab, Si Sa Ket
45 Sikhoraphum, Surin, Tha Tum, Trakanphutphon, Ubon Ratchathani
45 Warin Chamrap, Yaso Thon
5x Northern Region
53 Chiang Mai, Chiang Rai, Chom Thong, Doi Tung, Fang, Mae Chan
53 Mae Hong Son, Mae Rim, Mae Sai, Mae Suai, Mai Sa Riang, Pa Sang
53 San Kamphaeng, San Pa Tong, San Sai, Saraphi
54 Den Chai, Ko-Kha, Lampang, Nan, Phayao, Phrae, Sungmen, Thoen
54 Wangnua
55 Bang Rakam, Kamphaeng Phet, Krathum Ban, Lankrabua, Laplae
55 Mae Sot, Phichai, Phitsanulok, Samngao, Sawankhalok, Sukhothai
55 Tak, Tron, Uttaradit, Wang Thong
56 Banphot Phisai, Chai Nat, Chumsaeng, Hankha, Lanyao, Nahkon Sawan
56 Non Chang, Phayuha Khiri, Phetchabun, Takhli, Uthai Thani
7x Southern Region
73 Betong, Khok Pho, Narathiwat, Pattani, Ruso, Sai Buri, Sungai Kolok
73 Sungai Padi, Tak Bai, Tanyongmat, Yala
74 Chana, Hat Yai, Khao Chaison, Khlong Ngae, Khuan Khanun, Langu
74 Na Thawi, Padang Besar, Phatthalung, Sadao, Sathingphra, Satun
74 Songkhla, Tanhot, Tha Rua Nam Luk
75 Chawang, Chien Yai, Huai Yot, Kantang, Krabi, Lan Saka, Na Bon
75 Nakhon Si Thammarat, Pak Phanang, Trang, Yan Ta Khao
76 Ao Makham, Chalong, Kathu, Phangnga, Phuket, Takua Pa, Thalang
77 Ban Na San, Chaiya, Chumphon, Ko Samui, Lang Suan, Phunphin
77 Ranong, Sawi, Surat Thani, Thung Tako
88 toll free
เว็บแนะนำ
World Telephone Numbering Guide
INTERNATIONAL DIALING CODES
Telephone numbering plans