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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-410 0 Merrillville IN 145J TERRA NOVA TELECOM INC. 358   2026-01-20   
219-666 2 Hammond IN 145J TERRA NOVA TELECOM INC. 358   2026-02-05   
224-295 2 Palatine IL 145J TERRA NOVA TELECOM INC. 358   2026-07-05   
224-356 A Elk Grove IL 145J TERRA NOVA TELECOM INC. 358      
224-356 9 Elk Grove IL 145J TERRA NOVA TELECOM INC. 358   2026-07-05   
224-577 2 Round Lake IL 145J TERRA NOVA TELECOM INC. 358   2026-03-17   
224-655 0 Barrington IL 145J TERRA NOVA TELECOM INC. 358   2026-05-05   
224-666 A Arlington Heights IL 145J TERRA NOVA TELECOM INC. 358      
331-208 3 Aurora IL 145J TERRA NOVA TELECOM INC. 358   2026-06-08   
331-344 4 West Chicago IL 145J TERRA NOVA TELECOM INC. 358   2026-03-29   
464-282 2 Tinley Park IL 145J TERRA NOVA TELECOM INC. 358   2026-02-06   
630-216 0 Big Rock IL 145J TERRA NOVA TELECOM INC. 358   2026-07-05   
630-284 4 Roselle IL 145J TERRA NOVA TELECOM INC. 358   2026-01-04   
630-344 7 Wheaton IL 145J TERRA NOVA TELECOM INC. 358   2026-01-15   
630-371 2 Hinsdale IL 145J TERRA NOVA TELECOM INC. 358   2026-01-04   
630-593 4 Geneva IL 145J TERRA NOVA TELECOM INC. 358   2026-07-05   
630-659 0 Geneva IL 145J TERRA NOVA TELECOM INC. 358   2026-01-09   
630-785 1 Lombard IL 145J TERRA NOVA TELECOM INC. 358   2026-06-04   
630-995 7 Naperville IL 145J TERRA NOVA TELECOM INC. 358   2025-07-26   
708-317 0 Cicero IL 145J TERRA NOVA TELECOM INC. 358   2026-03-29   
708-593 4 Bellwood IL 145J TERRA NOVA TELECOM INC. 358   2026-06-05   
708-914 5 Homewood IL 145J TERRA NOVA TELECOM INC. 358   2026-06-04   
815-278 9 Kankakee IL 145J TERRA NOVA TELECOM INC. 358   2026-06-04   
815-388 9 McHenry IL 145J TERRA NOVA TELECOM INC. 358   2026-06-04   
815-705 8 Morris IL 145J TERRA NOVA TELECOM INC. 358   2026-06-08   
815-781 4 Chebanse IL 145J TERRA NOVA TELECOM INC. 358   2026-01-04   
815-794 1 Marseilles IL 145J TERRA NOVA TELECOM INC. 358   2026-01-04   
815-826 4 Somonauk IL 145J TERRA NOVA TELECOM INC. 358   2026-02-02   
815-944 9 Hopkins Park IL 145J TERRA NOVA TELECOM INC. 358   2026-01-15   
847-643 5 Libertyville IL 145J TERRA NOVA TELECOM INC. 358   2026-06-04   
847-665 5 Grayslake IL 145J TERRA NOVA TELECOM INC. 358   2026-02-06   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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