What do the abbreviations on the PRL List mean?
On the actual lists you will see some notations: RM-means your phone will be off your home system and roaming. You may or may not be charged extra. RM-means your phone will be roaming with a Preferred Carrier and will not be charged extra. FR-means “Flashing Roam”, which means your phone will be roaming with a Preferred Carrier and will not be charged extra. RM-means your phone will be off your home system and roaming. You will be charged extra, as determined by your plan. 58 or 0058- this is the “System ID” (SID) a unique number that helps identify a certain company offering cellular service in a certain geographic area, and on a certain cellular channel. An SID number higher than 4000 indicated a carrier operating on 1900 MHz PCS channels. 123A-Each city, county, or group of counties is identified by the FCC as a “Basic Trading Area” (BTA) with a number. An SID identifies what BTAs the system operates in. An “A” or “B” indicates which cellular channel the carrier operates on in that
