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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-230 A Hammond IN 460K FIRST COMMUNICATIONS, LLC 358      
219-354 A East Chicago IN 460K FIRST COMMUNICATIONS, LLC 358      
224-207 A Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358      
224-233 A Skokie IL 460K FIRST COMMUNICATIONS, LLC 358      
224-265 A Elk Grove IL 460K FIRST COMMUNICATIONS, LLC 358      
224-282 A Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358      
224-320 A Lake Zurich IL 460K FIRST COMMUNICATIONS, LLC 358      
224-359 A Elgin IL 460K FIRST COMMUNICATIONS, LLC 358      
224-383 A Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358      
224-484 A Dundee IL 460K FIRST COMMUNICATIONS, LLC 358      
224-528 A Roselle IL 460K FIRST COMMUNICATIONS, LLC 358      
224-533 A Deerfield IL 460K FIRST COMMUNICATIONS, LLC 358      
224-927 A Northbrook IL 460K FIRST COMMUNICATIONS, LLC 358      
312-216 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-247 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-334 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-506 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-564 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-673 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-676 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-784 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
312-870 A Chicago Zone 01-Calumet IL 460K FIRST COMMUNICATIONS, LLC 358      
331-456 A Roselle IL 460K FIRST COMMUNICATIONS, LLC 358      
630-273 A Plano IL 460K FIRST COMMUNICATIONS, LLC 358      
630-387 A Elburn IL 460K FIRST COMMUNICATIONS, LLC 358      
630-528 A Hinsdale IL 460K FIRST COMMUNICATIONS, LLC 358      
630-614 A Wheaton IL 460K FIRST COMMUNICATIONS, LLC 358      
630-615 A Naperville IL 460K FIRST COMMUNICATIONS, LLC 358      
630-630 A Oswego IL 460K FIRST COMMUNICATIONS, LLC 358      
630-636 A Oswego IL 460K FIRST COMMUNICATIONS, LLC 358      
630-952 A Aurora IL 460K FIRST COMMUNICATIONS, LLC 358      
630-957 A West Chicago IL 460K FIRST COMMUNICATIONS, LLC 358      
630-967 A Downers Grove IL 460K FIRST COMMUNICATIONS, LLC 358      
708-249 A Homewood IL 460K FIRST COMMUNICATIONS, LLC 358      
708-286 A La Grange IL 460K FIRST COMMUNICATIONS, LLC 358      
708-390 A Mokena IL 460K FIRST COMMUNICATIONS, LLC 358      
708-468 A Tinley Park IL 460K FIRST COMMUNICATIONS, LLC 358      
708-576 A Oak Lawn IL 460K FIRST COMMUNICATIONS, LLC 358      
708-593 A Bellwood IL 460K FIRST COMMUNICATIONS, LLC 358      
773-308 A Chicago Zone 03-Kildare IL 460K FIRST COMMUNICATIONS, LLC 358      
773-328 A Chicago Zone 04-Humboldt IL 460K FIRST COMMUNICATIONS, LLC 358      
773-336 A Chicago Zone 09-South Chicago IL 460K FIRST COMMUNICATIONS, LLC 358      
773-341 A Chicago Zone 10-Beverly IL 460K FIRST COMMUNICATIONS, LLC 358      
773-357 A Chicago Zone 11-O'Hare IL 460K FIRST COMMUNICATIONS, LLC 358      
773-432 A Chicago Zone 08-Portsmouth IL 460K FIRST COMMUNICATIONS, LLC 358      
773-537 A Chicago Zone 04-Humboldt IL 460K FIRST COMMUNICATIONS, LLC 358      
773-565 A Chicago Zone 06-Kedzie IL 460K FIRST COMMUNICATIONS, LLC 358      
773-597 A Chicago Zone 07-Stewart IL 460K FIRST COMMUNICATIONS, LLC 358      
773-605 A Chicago Zone 02-Edgewater IL 460K FIRST COMMUNICATIONS, LLC 358      
773-987 A Chicago Zone 10-Beverly IL 460K FIRST COMMUNICATIONS, LLC 358      
815-215 A New Lenox IL 460K FIRST COMMUNICATIONS, LLC 358      
815-330 A Crescent City IL 460K FIRST COMMUNICATIONS, LLC 358      
815-413 A Morris IL 460K FIRST COMMUNICATIONS, LLC 358      
815-418 A Manhattan IL 460K FIRST COMMUNICATIONS, LLC 358      
815-430 A McHenry IL 460K FIRST COMMUNICATIONS, LLC 358      
815-460 A Joliet IL 460K FIRST COMMUNICATIONS, LLC 358      
815-487 A Plainfield IL 460K FIRST COMMUNICATIONS, LLC 358      
815-502 A Woodstock IL 460K FIRST COMMUNICATIONS, LLC 358      
815-504 A Gardner IL 460K FIRST COMMUNICATIONS, LLC 358      
815-512 A Lockport IL 460K FIRST COMMUNICATIONS, LLC 358      
815-518 A Coal City IL 460K FIRST COMMUNICATIONS, LLC 358      
815-602 A Kankakee IL 460K FIRST COMMUNICATIONS, LLC 358      
815-606 A Ottawa IL 460K FIRST COMMUNICATIONS, LLC 358      
815-717 A New Lenox IL 460K FIRST COMMUNICATIONS, LLC 358      
847-666 A Arlington Heights IL 460K FIRST COMMUNICATIONS, LLC 358      
847-930 A Elgin IL 460K FIRST COMMUNICATIONS, LLC 358      
847-939 A Park Ridge IL 460K FIRST COMMUNICATIONS, LLC 358      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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