Subsidy Lock Codes

Voicemail and Roamer Access numbers

Cell phone tricks

Cellular SID numbers and PRL (preferred roaming list) interpretations


Cellular Links

  • The Cellular Travel Guide, 6th edition, has cellular service coverage maps and codes for all cellular systems in North America and the world. If you purchase the software, please be sure to tell Steve that you heard about it from!
  • Special thanks to James Bellaire, who has an excellent map of the Alltel, Ameritech, Contel, and GTE cellular systems in the Midwest, now part of Verizon Wireless.
  • and SID list