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System
Identification Numbers, or SIDs, are numeric codes used by
cellular systems to identify the home system of a wireless carrier and
by the wireless device to determine its roaming
status. Our lists are updated as changes are
discovered. Some entries are in the name of the legal office who
represents the wireless company. Entries with expiration dates may have been
renewed. Note: Some of these lists are large, but we have broken them into more download-friendly sizes. This list has not been field checked. |
SYSTEM ID NUMBERS (SID)
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