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: 515J IP HORIZON LLC

<< 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 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-408 1 Weed CA   724      
530-408 2 Weed CA   724      
530-413 A Paradise CA   724      
530-413 1 Paradise CA   724      
530-413 2 Paradise CA   724      
530-413 4 Paradise CA   724      
530-417 9 Placerville: West DA CA   726   2003-10-08   
530-418 1 North Yuba CA   726      
530-418 2 North Yuba CA   726      
530-418 4 North Yuba CA   726      
530-420 9 Robbins CA   726   2006-09-23   
530-422 6 Colfax: Weimar DA CA   726   2006-09-23   
530-423 9 Weaverville CA   724   2006-09-23   
530-427 1 Soda Springs CA   726   2003-10-08   
530-427 2 Soda Springs CA   726   2003-10-08   
530-430 6 Sierraville CA   724   2003-10-12   
530-431 6 Richvale CA   724   2003-10-12   
530-435 4 Gazelle CA   724   2003-10-12   
530-436 4 Grenada CA   724   2003-10-12   
530-451 2 Smartsville CA   726   2002-10-12   
530-453 5 Nicolaus CA   726   2003-10-29   
530-455 2 Live Oak CA   726   2003-10-08   
530-456 3 Gridley CA   726   2003-10-29   
530-459 7 Montague CA   724   2003-10-12   
530-475 5 Hornbrook CA   724   2002-10-12   
530-480 2 Blairsden CA   724   2003-10-13   
530-486 1 Stonyford CA   724      
530-486 2 Stonyford CA   724      
530-486 4 Stonyford CA   724   2022-10-20   
530-486 7 Stonyford CA   724   2022-10-20   
530-486 9 Stonyford CA   724   2022-10-20   
530-501 A Williams CA   726      
530-501 1 Williams CA   726      
530-501 2 Williams CA   726      
530-501 4 Williams CA   726      
530-501 9 Williams CA   726   2022-10-20   
530-502 A Princeton CA   726      
530-502 0 Princeton CA   726      
530-502 1 Princeton CA   726      
530-502 2 Princeton CA   726      
530-502 4 Princeton CA   726      
530-502 5 Princeton CA   726   2022-10-20   
530-503 A Placerville: South DA CA   726      
530-503 1 Placerville: South DA CA   726      
530-503 2 Placerville: South DA CA   726      
530-503 4 Placerville: South DA CA   726      
530-506 0 Knights Landing CA   726   2022-10-20   
530-506 1 Knights Landing CA   726      
530-506 2 Knights Landing CA   726      
530-507 1 Esparto CA   726      
530-507 2 Esparto CA   726      
530-508 1 Dunnigan CA   726      
530-508 2 Dunnigan CA   726      
530-512 1 Colfax: Colfax DA CA   726      
530-512 2 Colfax: Colfax DA CA   726      
530-512 4 Colfax: Colfax DA CA   726      
530-522 1 Camptonville CA   726      
530-522 2 Camptonville CA   726      
530-522 4 Camptonville CA   726      
530-523 1 Homewood CA   726   2002-10-12   
530-523 2 Homewood CA   726   2002-10-12   
530-531 1 Biggs CA   724      
530-531 2 Biggs CA   724      
530-535 A Alleghany CA   726      
530-535 0 Alleghany CA   726   2022-10-20   
530-535 1 Alleghany CA   726      
530-535 2 Alleghany CA   726      
530-535 4 Alleghany CA   726      
530-535 9 Alleghany CA   726   2022-10-20   
530-540 A Chico CA CHICCA01XKX  724      
530-568 A Mount Shasta CA   724      
530-568 1 Mount Shasta CA   724      
530-568 2 Mount Shasta CA   724      
530-568 4 Mount Shasta CA   724   2022-10-20   
530-568 7 Mount Shasta CA   724   2022-10-20   
530-576 1 Los Molinos CA   724      
530-576 2 Los Molinos CA   724      
530-580 1 North Tahoe: Tahoe City DA CA   726   2003-10-08   
530-580 2 North Tahoe: Tahoe City DA CA   726   2003-10-08   
530-580 4 North Tahoe: Tahoe City DA CA   726   2003-10-29   
530-592 1 Chico CA   724      
530-592 2 Chico CA   724      
530-592 4 Chico CA   724      
530-618 9 Hoopa CA   724   2006-09-23   
530-627 8 Orleans CA   724   2006-09-23   
530-628 8 Hayfork CA   724   2006-09-23   
530-633 5 Wheatland CA   726   2003-10-29   
530-646 A Redding CA   724      
530-646 0 Redding CA   724      
530-646 1 Redding CA   724      
530-646 2 Redding CA   724      
530-646 4 Redding CA   724      
530-679 4 Bangor CA   724   2002-10-12   
530-695 4 Live Oak CA   726   2003-10-29   
530-737 A Red Bluff CA   724      
530-737 0 Red Bluff CA   724      
530-737 1 Red Bluff CA   724      
530-737 2 Red Bluff CA   724      
530-737 4 Red Bluff CA   724      
530-772 1 Challenge CA   724      

<< 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 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.