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.

Switch: CHCGIL24DS6

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-327 A Lowell IN 097D ONVOY, LLC IN 358      
219-333 A Crown Point IN 097D ONVOY, LLC IN 358      
219-444 A Merrillville IN 097D ONVOY, LLC IN 358      
219-500 A Merrillville IN 097D ONVOY, LLC IN 358      
219-533 A Highland IN 097D ONVOY, LLC IN 358      
219-600 A Whiting IN 097D ONVOY, LLC IN 358      
219-666 A Hammond IN 097D ONVOY, LLC IN 358      
219-777 A Gary IN 097D ONVOY, LLC IN 358      
219-800 A East Chicago IN 097D ONVOY, LLC IN 358      
219-900 A Crown Point IN 097D ONVOY, LLC IN 358      
219-912 A Lake Village IN 097D ONVOY, LLC IN 358      
219-999 A Gary IN 097D ONVOY, LLC IN 358      
224-204 A Evanston IL 224C ONVOY, LLC 358      
224-219 A Waukegan IL 224C ONVOY, LLC 358      
224-249 A Algonquin IL 224C ONVOY, LLC 358      
224-257 A Des Plaines IL 224C ONVOY, LLC 358      
224-259 A Antioch IL 224C ONVOY, LLC 358      
224-263 A Huntley IL 224C ONVOY, LLC 358      
224-296 A Evanston IL 224C ONVOY, LLC 358      
224-298 A Grayslake IL 224C ONVOY, LLC 358      
224-313 A Wheeling IL 224C ONVOY, LLC 358      
224-328 A Winnetka IL 224C ONVOY, LLC 358      
224-344 A Wilmette IL 224C ONVOY, LLC 358      
224-451 A Barrington IL 224C ONVOY, LLC 358      
224-487 A Cary IL 224C ONVOY, LLC 358      
224-505 A Winnetka IL 224C ONVOY, LLC 358      
224-747 A Hampshire IL 224C ONVOY, LLC 358      
224-877 A Elk Grove IL 224C ONVOY, LLC 358      
312-312 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-313 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-348 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-392 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-500 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-586 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-598 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-600 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-626 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-778 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-779 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-820 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-847 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
312-964 A Chicago Zone 01-Calumet IL 224C ONVOY, LLC 358      
331-204 A Naperville IL 224C ONVOY, LLC 358      
331-239 A Yorkville IL 224C ONVOY, LLC 358      
331-244 A Naperville IL 224C ONVOY, LLC 358      
331-249 A Naperville IL 224C ONVOY, LLC 358      
331-255 A Aurora IL 224C ONVOY, LLC 358      
331-258 A Aurora IL 224C ONVOY, LLC 358      
331-263 A Bensenville IL 224C ONVOY, LLC 358      
331-265 A Geneva IL 224C ONVOY, LLC 358   2021-01-23   

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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