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: LSANCARCD9S

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-465 A Los Angeles: DA 07 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
213-550 A Los Angeles: DA 01 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
213-769 A Los Angeles: DA 10 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
310-409 A Beverly Hills CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
310-906 A El Segundo CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
310-929 A Avalon CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-393 A Los Angeles: DA 09 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-503 A Los Angeles: DA 02 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-704 A Los Angeles: DA 05 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-743 A Los Angeles: DA 06 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
323-809 A Los Angeles: DA 14 CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-450 A Downey CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
562-457 A Whittier CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-200 A Pasadena: Pasadena DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
626-779 A San Gabriel Canyon CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-262 A Lake Hughes CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-468 A Palmdale: Agua Dulce DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-532 A Big Butte CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
661-673 A Santa Clarita: Saugus Canyon Country DA CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-312 A Yorba Linda CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-733 A Cypress CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-752 A Buena Park CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
714-930 A Fullerton CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
818-296 A Glendale CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
818-451 A Canoga Park CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
818-812 A Northridge CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
909-539 A Chino CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
909-647 A Highland CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
951-252 A Temecula CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
951-603 A Temescal Canyon CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
951-729 A Arlington CA 4129 O1 COMMUNICATIONS, INC. - CA 730      
951-934 A Mira Loma CA 4129 O1 COMMUNICATIONS, INC. - CA 730      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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