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: RILTCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-257 A Upland CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-257 2 Upland CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-348 6 Diamond Bar CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-378 1 Diamond Bar CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-418 A Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-418 2 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-418 3 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-418 5 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-418 6 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-421 A Rialto CA 9740 PACIFIC BELL 730      
909-450 A Claremont-San Dimas CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-450 2 Claremont-San Dimas CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-544 5 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-562 A Rialto CA 9740 PACIFIC BELL 730      
909-562 0 Rialto CA 9740 PACIFIC BELL 730      
909-631 A Chino CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-631 2 Chino CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-685 2 Rialto CA 9740 PACIFIC BELL 730      
909-724 2 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-724 3 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-724 5 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-724 6 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-724 7 Ontario CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-802 A Pomona CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-802 1 Pomona CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-802 2 Pomona CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-803 A Etiwanda CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-803 3 Etiwanda CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-820 A Rialto CA 9740 PACIFIC BELL 730      
909-859 A Diamond Bar CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-859 2 Diamond Bar CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-859 7 Diamond Bar CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-859 8 Diamond Bar CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-873 A Rialto CA 9740 PACIFIC BELL 730      
909-874 A Rialto CA 9740 PACIFIC BELL 730      
909-875 A Rialto CA 9740 PACIFIC BELL 730      
909-877 A Rialto CA 9740 PACIFIC BELL 730      
909-879 A Rialto CA 9740 PACIFIC BELL 730      
909-879 0 Rialto CA 9740 PACIFIC BELL 730      
909-879 1 Rialto CA 9740 PACIFIC BELL 730      
909-879 2 Rialto CA 9740 PACIFIC BELL 730      
909-879 3 Rialto CA 9740 PACIFIC BELL 730      
909-879 4 Rialto CA 9740 PACIFIC BELL 730      
909-879 5 Rialto CA 9740 PACIFIC BELL 730      
909-879 7 Rialto CA 9740 PACIFIC BELL 730      
909-879 8 Rialto CA 9740 PACIFIC BELL 730      
909-879 9 Rialto CA 9740 PACIFIC BELL 730      
909-919 A Upland CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-919 2 Upland CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-919 7 Upland CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-929 6 Claremont-San Dimas CA 7480 PACIFIC BELL (COMPETITIVE) 730      
909-971 6 Claremont-San Dimas CA 7480 PACIFIC BELL (COMPETITIVE) 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.