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: 9748 AMERICAN MESSAGING SERVICES, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-791 A San Francisco: Central DA CA OKLDCAAN1KD  722      
415-838 A San Rafael CA   722      
419-201 A Port Clinton OH TOLDOHVD7MD  326      
419-218 A Toledo OH TOLDOHVD7MD  326      
419-312 A Fostoria OH TOLDOHVD7MD  326      
419-313 A Put-in-Bay OH TOLDOHVD7MD  326      
419-319 A Upper Sandusky OH TOLDOHVD7MD  326      
419-361 A Toledo OH TOLDOHVD7MD  326      
419-364 A Toledo OH TOLDOHVD7MD  326      
419-620 A Toledo OH TOLDOHVD7MD  326      
419-640 A Toledo OH TOLDOHVD7MD  326      
419-802 A Fremont OH TOLDOHVD7MD  326      
419-803 A Sandusky OH TOLDOHVD7MD  326      
419-804 A Findlay OH TOLDOHVD7MD  326      
419-805 A Tiffin OH TOLDOHVD7MD  326      
419-813 A Upper Sandusky OH TOLDOHVD7MD  326      
419-814 A New Riegel OH TOLDOHVD7MD  326      
419-815 A Sandusky OH TOLDOHVD7MD  326      
419-816 A Fremont OH TOLDOHVD7MD  326      
419-817 A Findlay OH TOLDOHVD7MD  326      
440-489 A Trinity OH CLEVOH62XMY  320      
440-492 A Burton OH CLEVOH62XMY  320      
440-675 A Willoughby OH CLEVOH62XMY  320      
440-733 A Painesville OH CLEVOH62XMY  320      
440-764 A Burton OH CLEVOH62XMY  320      
502-332 A Louisville KY LSVLKYWEDS0  462      
502-336 A Louisville KY LSVLKYWEDS0  462      
502-342 A Louisville KY LSVLKYWEDS0  462      
502-344 A Louisville KY LSVLKYWEDS0  462      
502-346 A Louisville KY LSVLKYWEDS0  462      
502-372 A Louisville KY LSVLKYWEDS0  462      
502-421 A Louisville KY LSVLKYWEDS0  462      
502-621 A Louisville KY LSVLKYWEDS0  462      
502-660 A Louisville KY LSVLKYWEDS0  462      
504-238 A New Orleans LA NWORLA81H01  490      
505-698 A Albuquerque NM ALBQNMMACM5  664      
505-790 A Albuquerque NM ALBQNMMACM5  664      
505-978 A Albuquerque NM ALBQNMMACM5  664      
509-880 A Spokane WA   676      
509-889 A Spokane WA   676      
510-312 A Hayward CA   722      
510-349 A Richmond CA   722      
510-389 A Oakland: Main-Piedmont DA CA OKLDCAAN7MD  722      
510-391 A Oakland: Main-Piedmont DA CA OKLDCAAN7MD  722      
510-392 A Oakland: Main-Piedmont DA CA OKLDCAAN7MD  722      
510-718 A Oakland: Main-Piedmont DA CA   722      
510-968 A Fremont-Newark: Main DA CA   722      
512-204 A Austin TX AUSTTXGRX8Y  558      
512-208 A Austin TX AUSTTXGRX8Y  558      
512-209 A Austin TX AUSTTXGRX8Y  558      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.