The Roaming Zone-Cellular Roaming Codes & Advice
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THE ROAMING ZONE
Cellular Roaming Codes and Advice

For help in using this site see Roaming Advice. For Roaming Codes, see Below. There's a Roaming FAQ. We're always looking for updated information, so tell us about mistakes or new info by sending an Email.
  Roaming Codes:
PRL Preferred Roaming List: Major US CDMA carriers and their priority lists. Arranged by wireless carrier and by date released. Includes the PRL FAQ.
MNC Mobile Network Codes: North American GSM carriers and their MCC/MNC codes, arranged by code number
SID System ID's: The list of numbers that identify a group of cell sites based on geography, arranged by SID number
  Roaming Advice:
Roaming Tips Using your phone away from your home market
Roaming FAQ Answers to your roaming questions
Mexico Roaming The best and cheapest methods of making calls south of the border
Roaming Blog Read about our cellular adventures on the road.
Online Discounts Direct links to the best online cellular discounts we could find
Search Our Site If you can't find it, use our Search box. It also checks related web sites
Find Cell Sites Links and methods to nail down locations of cellular sites
Cellular Maps Side-by-side comparisons and coverage maps you won't find elsewhere
Cellular Reviews Cellular Carrier Reviews and Ratings. Comparisons and Pros & Cons of US cellular carriers
Cellular Back Door Cellular Tips, Inside Information and Voice Mail Numbers
Wireless@Home Cut the cord and go totally wireless at home

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