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.

NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-506 A Quincy IL JCVLILXCQMD  5562 METROPCS, INC. 376      
217-506 0 Quincy IL JCVLILXCQMD  6529 T-MOBILE USA, INC. 376   2005-01-13   
217-506 1 Quincy IL QNCYILQYRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 376   2011-09-02   
217-506 2 Quincy IL JCVLILAA1MD  6265 UNITED STATES CELLULAR - IL 376   2013-09-27   
217-506 3 Quincy IL JCVLILXCYMD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 376   2016-06-17   
217-506 4 Quincy IL JCVLILXCDMD  224C ONVOY, LLC 376   2023-05-04   
217-506 5 Quincy IL JCVLILXCDMD  224C ONVOY, LLC 376   2024-01-13   
217-506 6 Quincy IL JCVLILXCX0X  318J COMCAST IP PHONE, LLC 376   2015-03-18   
217-506 8 Quincy IL JCVLILXCQMD  5562 METROPCS, INC. 376   2021-10-03   
217-506 9 Quincy IL JCVLILXCQMD  6529 T-MOBILE USA, INC. 376   2014-05-03   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.