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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
571-667 1 Lorton VA VINNVACBAMD  236   2021-08-21   
571-686 0 Braddock VA VINNVACBAMD  236   2021-08-21   
571-773 1 Dulles Metro VA VINNVACBAMD  236   2021-08-21   
571-774 1 Triangle VA VINNVACBAMD  236   2021-08-21   
571-877 0 Lorton Metro VA VINNVACBAMD  236   2021-08-22   
571-934 5 Dulles VA VINNVACBAMD  236   2021-08-22   
573-852 A Linn MO CLMAMOXAXLX  521   2021-01-23   
573-852 1 Linn MO   521   2021-01-23   
574-378 A South Bend IN SBNDIN01X5Y  332   2021-11-05   
574-378 1 South Bend IN   332   2021-11-05   
575-240 3 Taos NM   664   2022-05-26   
575-243 6 Artesia NM   664   2022-05-26   
575-246 9 Roswell NM   664   2022-05-26   
575-248 1 Hatch NM   664   2022-05-26   
575-271 6 Clovis NM   664   2022-05-26   
575-280 1 Questa NM   664   2022-05-26   
575-283 8 Anthony NM   664   2022-05-26   
575-284 0 Silver City NM   664   2022-05-26   
575-293 0 Penasco NM   664   2022-05-26   
575-295 0 Alamogordo NM   664   2022-05-26   
575-299 0 Deming NM   664   2022-05-26   
575-320 0 Portales NM   664   2022-05-26   
575-334 1 Chaparral NM   664   2022-05-26   
575-345 0 Cannon AFB NM   664   2022-05-26   
575-426 0 Springer NM   664   2022-05-26   
575-463 9 Las Cruces NM   664   2022-05-26   
575-467 0 Angel Fire NM   664   2022-05-26   
575-599 0 Red River NM   664   2022-05-26   
575-733 6 Raton NM   664   2022-05-26   
575-735 8 Cimarron NM   664   2022-05-26   
575-757 0 Socorro NM   664   2022-05-26   
575-788 0 Bayard NM   664   2022-05-26   
575-832 1 Tucumcari NM   664   2022-05-26   
575-874 8 Santa Teresa NM   664   2022-05-26   
575-966 0 La Mesa NM   664   2022-05-26   
585-559 A Rochester NY ROCHNYXAXQX  974   2021-05-20   
585-559 1 Rochester NY   974   2021-05-20   
605-401 A Sioux Falls SD SXFLSDCOXVX  640   2021-04-23   
605-401 1 Sioux Falls SD   640   2021-04-23   
607-350 9 Davenport NY   138   2021-12-12   
607-370 A Binghamton NY BNGHNYHYXIY  138      
607-370 1 Binghamton NY   138   2020-10-30   
607-380 8 Campbell NY   138   2021-12-12   
607-390 8 Savona NY   138   2021-12-12   
607-404 8 Canaseraga NY   138   2021-12-12   
607-457 8 Grand Gorge NY   138   2021-12-12   
607-465 1 Cameron NY   138   2021-12-12   
607-466 0 Arkport NY   138   2021-12-12   
607-487 9 Hartwick NY   138   2021-12-12   
607-507 0 Avoca NY   138   2021-12-12   

<< 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 >>

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.