Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: COTNCA11DS0

Remotes:

Switch Switch name Switch type
BAKRCA11RS0  BAKER  5ER 
FRCKCA11RS0  FURNACE CREEK  5ER 
MTPSCA11RS1  MOUNTAIN PASS  5ER 
SHSHCA11RS0  SHOSHONE  5ER 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-806 A San Bernardino CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-806 1 San Bernardino CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-806 2 San Bernardino CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-806 3 San Bernardino CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-806 4 San Bernardino CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-810 A Mentone CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-810 4 Mentone CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-824 A Colton CA 9740 PACIFIC BELL 730      
909-824 0 Colton CA 9740 PACIFIC BELL 730      
909-824 1 Colton CA 9740 PACIFIC BELL 730      
909-824 2 Colton CA 9740 PACIFIC BELL 730      
909-824 3 Colton CA 9740 PACIFIC BELL 730      
909-824 5 Colton CA 9740 PACIFIC BELL 730      
909-824 6 Colton CA 9740 PACIFIC BELL 730      
909-824 7 Colton CA 9740 PACIFIC BELL 730      
909-824 8 Colton CA 9740 PACIFIC BELL 730      
909-824 9 Colton CA 9740 PACIFIC BELL 730      
909-825 A Colton CA 9740 PACIFIC BELL 730      
909-872 A Colton CA 9740 PACIFIC BELL 730      
909-872 0 Colton CA 9740 PACIFIC BELL 730      
909-872 1 Colton CA 9740 PACIFIC BELL 730      
909-872 2 Colton CA 9740 PACIFIC BELL 730      
909-872 3 Colton CA 9740 PACIFIC BELL 730      
909-872 5 Colton CA 9740 PACIFIC BELL 730      
909-872 6 Colton CA 9740 PACIFIC BELL 730      
909-872 7 Colton CA 9740 PACIFIC BELL 730      
909-872 9 Colton CA 9740 PACIFIC BELL 730      
909-876 A Colton CA 9740 PACIFIC BELL 730      
951-571 A Moreno CA 7480 PACIFIC BELL (COMPETITIVE) 730      
951-571 0 Moreno CA 7480 PACIFIC BELL (COMPETITIVE) 730      
951-571 4 Moreno CA 7480 PACIFIC BELL (COMPETITIVE) 730      
951-571 5 Moreno CA 7480 PACIFIC BELL (COMPETITIVE) 730      
951-571 6 Moreno CA 7480 PACIFIC BELL (COMPETITIVE) 730      
951-571 7 Moreno CA 7480 PACIFIC BELL (COMPETITIVE) 730      
951-572 A Banning CA 7480 PACIFIC BELL (COMPETITIVE) 730      
951-572 4 Banning CA 7480 PACIFIC BELL (COMPETITIVE) 730      

<< 1 2

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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