Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-301 A Aurora IL ELGNILOTGT5  5562 METROPCS, INC. 358      
331-301 0 Aurora IL ELGNILOTGT5  5562 METROPCS, INC. 358   2014-07-27   
331-301 1 Aurora IL   515J IP HORIZON LLC 358   2013-05-04   
331-301 2 Aurora IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2015-08-21   
331-301 3 Aurora IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-08-15   
331-301 4 Aurora IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-08-15   
331-301 5 Aurora IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2015-07-10   
331-301 6 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-08-14   
331-301 7 Aurora IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-09-06   
331-301 8 Aurora IL ELGNILOTGT5  5562 METROPCS, INC. 358   2014-07-27   
331-301 9 Aurora IL ELGNILOTGT5  5562 METROPCS, INC. 358   2014-07-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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