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: 8826 LEVEL 3 COMMUNICATIONS, LLC - CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
510-250 4 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-250 5 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-250 7 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-253 0 Richmond CA SNFCCASY5MD  722      
510-254 A Oakland: Alameda DA CA SNFCCASY5MD  722      
510-254 3 Oakland: Alameda DA CA SNFCCASY5MD  722      
510-254 5 Oakland: Alameda DA CA SNFCCASY5MD  722      
510-254 6 Oakland: Alameda DA CA SNFCCASY5MD  722      
510-257 4 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-269 2 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-269 4 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-270 2 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-270 4 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-270 5 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-274 2 Hayward CA SNFCCASY5MD  722      
510-275 4 El Sobrante-Pinole CA SNFCCASY5MD  722      
510-275 7 El Sobrante-Pinole CA SNFCCASY5MD  722      
510-279 A Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-279 1 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-279 3 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-279 4 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-284 2 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-291 4 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-292 4 Oakland: Berkeley DA CA SNFCCASY5MD  722      
510-295 4 Oakland: Berkeley DA CA SNFCCASY5MD  722      
510-296 A Hercules-Rodeo CA SNFCCASY5MD  722      
510-296 0 Hercules-Rodeo CA SNFCCASY5MD  722      
510-296 4 Hercules-Rodeo CA SNFCCASY5MD  722      
510-296 5 Hercules-Rodeo CA SNFCCASY5MD  722      
510-296 6 Hercules-Rodeo CA SNFCCASY5MD  722      
510-314 8 Hayward CA SNFCCASY5MD  722      
510-315 A Hayward CA SNFCCASY5MD  722      
510-323 2 Richmond CA SNFCCASY5MD  722      
510-323 4 Richmond CA SNFCCASY5MD  722      
510-328 4 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-338 4 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-342 3 Hayward CA SNFCCASY5MD  722      
510-342 5 Hayward CA SNFCCASY5MD  722      
510-343 5 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-343 6 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-343 7 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-344 2 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-344 5 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-344 6 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-344 8 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-356 0 Oakland: Berkeley DA CA SNFCCASY5MD  722      
510-356 2 Oakland: Berkeley DA CA SNFCCASY5MD  722      
510-358 4 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-362 0 Hayward CA SNFCCASY5MD  722      
510-362 7 Hayward CA SNFCCASY5MD  722      
510-371 A Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-371 0 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-374 4 Richmond CA SNFCCASY5MD  722      
510-379 4 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-379 5 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-379 7 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-379 9 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-380 8 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-394 1 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-394 3 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-398 6 Hayward CA SNFCCASY5MD  722      
510-400 4 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  722      
510-400 6 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  722      
510-400 7 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  722      
510-400 8 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  722      
510-402 1 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-402 4 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-403 8 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-417 3 El Sobrante-Pinole CA SNFCCASY5MD  722      
510-417 4 El Sobrante-Pinole CA SNFCCASY5MD  722      
510-423 0 Oakland: Berkeley DA CA SNFCCASY5MD  722      
510-447 1 Richmond CA SNFCCASY5MD  722      
510-454 8 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-455 4 Crockett CA SNFCCASY5MD  722      
510-460 1 Hayward CA SNFCCASY5MD  722      
510-466 1 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-474 1 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  722      
510-478 9 Richmond CA SNFCCASY5MD  722      
510-488 2 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-488 3 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-488 4 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-488 6 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-493 2 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-493 7 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-500 4 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-500 8 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-500 9 Oakland: Fruitvale DA CA SNFCCASY5MD  722      
510-506 7 Oakland: Main-Piedmont DA CA SNFCCASY5MD  722      
510-509 A Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-509 1 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-545 4 Oakland: Alameda DA CA SNFCCASY5MD  722      
510-556 A Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-556 2 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-564 7 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-564 9 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-565 7 Fremont-Newark: Main DA CA SNFCCASY5MD  722      
510-567 4 Oakland: Trinidad DA CA SNFCCASY5MD  722      
510-570 3 Oakland: Berkeley DA CA SNFCCASY5MD  722      
510-573 5 Fremont-Newark: Oliver DA CA SNFCCASY5MD  722      
510-574 7 Fremont-Newark: Main DA CA SNFCCASY5MD  722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.