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.

NPA: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-638 A Glendale CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
818-638 0 Glendale CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
818-638 1 Glendale CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
818-638 2 Glendale CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
818-638 3 Glendale CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
818-638 4 Glendale CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
818-638 5 Glendale CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
818-638 6 Glendale CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
818-638 7 Glendale CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
818-638 8 Glendale CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
818-638 9 Glendale CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.