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: RVDLILBDAMD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
331-289 0 Hinsdale IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-01-18   
331-290 A Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-290 0 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-10-29   
331-290 1 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-10-29   
331-290 2 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-10-29   
331-291 A Downers Grove IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-291 0 Downers Grove IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-10-29   
331-291 1 Downers Grove IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-10-29   
331-291 2 Downers Grove IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-10-29   
331-291 3 Downers Grove IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-07-12   
331-293 0 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-03-09   
331-293 1 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-03-09   
331-293 2 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-03-09   
331-293 6 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-06-15   
331-293 7 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-06-15   
331-293 8 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-06-15   
331-294 A Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-294 0 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-03-18   
331-294 1 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-03-18   
331-294 5 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-03-18   
331-298 0 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-10-23   
331-298 1 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-10-23   
331-300 1 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2016-07-11   
331-302 A Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-302 0 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-04-11   
331-302 6 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-10-09   
331-302 8 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-07-23   
331-302 9 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-10-11   
331-305 A Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-305 0 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-10-11   
331-305 7 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-04   
331-305 8 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-04   
331-305 9 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-19   
331-312 A Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-01-07   
331-312 0 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-01-07   
331-312 1 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-01-07   
331-312 2 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-09-17   
331-312 7 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-09-23   
331-312 8 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-09-23   
331-312 9 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-09-23   
331-313 6 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-12-01   
331-313 7 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-12-01   
331-314 A Geneva IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-01-20   
331-314 0 Geneva IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-01-20   
331-316 2 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-05-10   
331-316 4 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-06-08   
331-316 5 Naperville IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-06-08   
331-321 1 Aurora IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2016-04-18   
331-326 7 Downers Grove IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-11-22   
331-327 A Geneva IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2025-01-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.