Local Calling Guide Rate centre information 
Red Oak EMS, TX  [Prefix detail]  
LATA : 552  DALLAS TX
LIR : 
V: 08492 H: 04014
ILEC : 9533  SOUTHWESTERN BELL
NPA  469 :
552  
NPA  972 :
617  
See all [Local Prefixes] 
Local calling TO: [Reverse direction] 
OCN Rate centre Plan type Call type Monthly limit (minutes) Note Effective date 
Avalon, TX            
Bristol, TX            
Bristol EMS, TX            
Carrollton, TX            
Cedar Hill, TX            
Cedar Hill EMS, TX            
Dallas, TX            
Dallas Fort Worth Airport, TX            
Dallas Fort Worth Airport EMS, TX            
Denton PPCP, TX            
Ferris, TX            
Ferris EMS, TX            
Grand Prairie, TX            
Grand Prairie EMS, TX            
Irving, TX            
Irving EMS, TX            
Lewisville, TX            
Lewisville EMS, TX            
Midlothian, TX            
Midlothian EMS, TX            
Palmer, TX            
Palmer EMS, TX            
Plano, TX            
Red Oak, TX            
Red Oak (Ovilla), TX            
Seagoville, TX            
Waxahachie, TX            
Waxahachie EMS, TX            
 
*If OCN is blank, this indicates the default local calling area for all carriers. If OCN is not blank, then local calling is available for that OCN only.
  Last updated: Thu, 16 Oct 2025 03:04:18 UTC 
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