Local Calling Guide  
Rate centre information 
Spring EMS, TX  [Prefix detail]  
LATA : 560  HOUSTON TX
LIR :   
V: 08876 H: 03575
ILEC : 9533  SOUTHWESTERN BELL
NPA  281 :
210  
296  
297  
323  
350  
353  
355  
362  
363  
364  
367  
430  
466  
651  
681  
719  
825  
863  
882  
NPA  713 :
377  
897  
NPA  832 :
246  
381  
636  
813  
See all [Local Prefixes] 
Local calling TO: [Reverse direction] 
OCN Rate centre Plan type Call type Monthly limit (minutes) Note Effective date 
Apollo, TX            
Arcola, TX            
Bammel, TX            
Barker, TX            
Channelview, TX            
Conroe EMS, TX            
Cut 'n Shoot EMS, TX            
Deer Park, TX            
Friendswood, TX            
Grangerland EMS, TX            
Houston, TX            
Houston Suburban, TX            
Humble, TX            
La Porte, TX            
Lake Conroe EMS, TX            
Langham Creek, TX            
Manvel, TX            
Montgomery EMS, TX            
Pinehurst, TX            
Pinehurst EMS, TX            
Plantersville, TX            
Porter, TX            
Porter Heights EMS, TX            
Riverbrook, TX            
Riverbrook EMS, TX            
Satsuma, TX            
Seabrook, TX            
Sheldon, TX            
Spring, TX            
Stafford, TX            
Sugar Land, TX            
Tomball, TX            
Tomball EMS, TX            
Walden EMS, TX            
Westfield, TX            
Westfield EMS, TX            
Willis 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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