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.

OCN: 7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
805-457 A San Luis Obispo CA SNLOCA011KD  740      
805-476 A San Luis Obispo CA SNLOCA011KD  740      
805-830 A Ventura Central CA LSANCARC8KD  730      
818-337 A Canoga Park CA LSANCARC8KD  730      
818-338 A Agoura CA LSANCARC8KD  730      
818-369 A La Crescenta CA LSANCARC8KD  730      
818-450 A Burbank: Burbank DA CA LSANCARC8KD  730      
818-479 A Van Nuys CA LSANCARC8KD  730      
818-532 A Agoura CA LSANCARC8KD  730      
818-572 A Glendale CA LSANCARC8KD  730      
818-647 A Van Nuys CA LSANCARC8KD  730      
818-688 A Burbank: Burbank DA CA LSANCARC8KD  730      
818-698 A San Fernando: San Fernando DA CA LSANCARC8KD  730      
818-743 A San Fernando: San Fernando DA CA LSANCARC8KD  730      
818-751 A Burbank: Burbank DA CA LSANCARC8KD  730      
818-864 A Pasadena: La Cañada DA CA LSANCARC8KD  730      
818-914 A Canoga Park CA LSANCARC8KD  730      
831-677 A Soledad CA SLNSCA011KD  736      
831-789 A Salinas CA SLNSCA011KD  736      
831-854 A Santa Cruz CA OKLDCAAN4KD  722      
858-225 A San Diego: Mira Mesa DA CA SNDGCA023KD  732      
858-428 A Rancho Penasquitos CA SNDGCA023KD  732      
858-630 A San Diego: Mira Mesa DA CA SNDGCA023KD  732      
858-683 A Rancho Bernardo CA SNDGCA023KD  732      
858-769 A San Diego: Linda Vista DA CA SNDGCA023KD  732      
858-815 A Rancho Bernardo CA SNDGCA023KD  732      
858-923 A Rancho Santa Fe CA SNDGCA023KD  732      
858-947 A Del Mar CA SNDGCA023KD  732      
858-956 A Poway CA SNDGCA023KD  732      
909-363 A Redlands CA LSANCARC5KD  730      
909-494 A San Bernardino CA LSANCARC5KD  730      
909-495 A San Bernardino CA LSANCARC5KD  730      
909-498 A Colton CA LSANCARC5KD  730      
909-563 A Ontario CA LSANCARC5KD  730      
909-740 A Ontario CA LSANCARC5KD  730      
909-752 A Big Bear Lake CA LSANCARC8KD  730      
909-843 A Ontario CA LSANCARC5KD  730      
909-935 A Ontario CA LSANCARC5KD  730      
916-237 A Rio Linda CA SCRMCAWC2KD  726      
916-251 A South Placer CA SCRMCAWC2KD  726      
916-252 A Pleasant Grove CA SCRMCAWC2KD  726      
916-253 A Lincoln CA SCRMCAWC2KD  726      
916-282 A Sacramento: Main DA CA SCRMCAWC2KD  726      
916-290 A Sacramento: Main DA CA SCRMCAWC2KD  726      
916-304 A Michigan Bar CA SCRMCAWC2KD  726      
916-314 A Michigan Bar CA SCRMCAWC2KD  726      
916-333 A Sacramento: North DA CA SCRMCAWC2KD  726      
916-471 A Sacramento: Main DA CA SCRMCAWC2KD  726      
916-594 A Sacramento: Main DA CA SCRMCAWC2KD  726      
916-720 A Sacramento: Main DA CA SCRMCAWC2KD  726      
916-848 A Sacramento: Main DA CA SCRMCAWC2KD  726      
916-860 A Fair Oaks (Sacramento) CA SCRMCAWC2KD  726      
916-866 A Fair Oaks (Sacramento) CA SCRMCAWC2KD  726      
916-914 A Sacramento: Main DA CA SCRMCAWC2KD  726      
925-293 A Martinez CA OKLDCAAN5MD  722      
925-369 A Martinez CA OKLDCAAN5MD  722      
925-475 A Pleasanton CA OKLDCAAN5MD  722      
925-476 A Walnut Creek CA OKLDCAAN5MD  722      
925-605 A Livermore CA OKLDCAAN5MD  722      
925-663 A Sunol CA OKLDCAAN5MD  722      
925-664 A Pittsburg West CA OKLDCAAN5MD  722      
925-665 A Pittsburg CA OKLDCAAN5MD  722      
925-666 A East Contra Costa CA OKLDCAAN5MD  722      
925-775 A Antioch CA OKLDCAAN5MD  722      
925-848 A Antioch CA OKLDCAAN5MD  722      
925-884 A Bishop Ranch CA OKLDCAAN5MD  722      
925-885 A Orinda CA OKLDCAAN5MD  722      
925-886 A Danville CA OKLDCAAN5MD  722      
925-887 A Concord CA OKLDCAAN5MD  722      
925-888 A Moraga CA OKLDCAAN5MD  722      
925-889 A Clayton CA OKLDCAAN5MD  722      
925-891 A Walnut Creek CA OKLDCAAN5MD  722      
925-892 A Pleasanton CA OKLDCAAN5MD  722      
925-905 A Dublin-San Ramon CA OKLDCAAN5MD  722      
949-209 A Newport Beach CA LSANCARC5KD  730      
949-266 A Irvine CA LSANCARC5KD  730      
949-281 A Laguna Beach CA LSANCARC5KD  730      
949-354 A Saddleback Valley CA LSANCARC5KD  730      
949-528 A Saddleback Valley CA LSANCARC5KD  730      
949-534 A Trabuco CA LSANCARC5KD  730      
949-606 A Capistrano Valley CA LSANCARC5KD  730      
949-625 A Rancho Viejo CA LSANCARC5KD  730      
949-666 A Trabuco CA LSANCARC5KD  730      
949-767 A Saddleback Valley CA LSANCARC5KD  730      
951-281 A Corona CA LSANCARC5KD  730      
951-326 A Temecula CA LSANCARC5KD  730      
951-327 A Hemet: San Jacinto DA CA LSANCARC5KD  730      
951-346 A Riverside CA LSANCARC5KD  730      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.