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: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

<< 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 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-450 A Pratt KS PRTTKSNIRS0  9533 SOUTHWESTERN BELL 532      
620-450 0 Pratt KS WCHTKSTPNMD  073H TELNYX LLC 532   2018-07-11   
620-450 1 Pratt KS PRTTKSNIRS0  9533 SOUTHWESTERN BELL 532      
620-450 2 Pratt KS PRTTKSNIRS0  9533 SOUTHWESTERN BELL 532      
620-450 3 Pratt KS WCHTKSBRX5Y  7593 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS 532   2010-09-15   
620-450 4 Pratt KS WCHTKSMBX2X  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2005-01-14   
620-450 5 Pratt KS WCHTKSBRDMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532   2010-06-28   
620-450 6 Pratt KS WCHTKSBRX5X  986E BANDWIDTH.COM CLEC, LLC - KS 532   2008-11-26   
620-450 7 Pratt KS PRTTKSNIRS0  9533 SOUTHWESTERN BELL 532      
620-450 8 Pratt KS PRTTKSNIRS0  9533 SOUTHWESTERN BELL 532      
620-450 9 Pratt KS PRTTKSNIRS0  9533 SOUTHWESTERN BELL 532      
620-451 A Syracuse KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-451 0 Syracuse KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532   2006-12-14   
620-451 1 Syracuse KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532   2011-06-25   
620-451 8 Syracuse KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532   2023-12-28   
620-452 A Albert KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-452 0 Albert KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532   2008-05-16   
620-453 A Hugoton KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-453 0 Hugoton KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-453 1 Hugoton KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-453 2 Hugoton KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-453 9 Hugoton KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532      
620-454 A Arkansas City KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532      
620-454 0 Arkansas City KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2023-10-22   
620-454 1 Arkansas City KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2023-10-22   
620-454 2 Arkansas City KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2023-10-22   
620-454 3 Arkansas City KS WCHTKSTPDS0  018H PEERLESS NETWORK OF KANSAS, LLC - KS 532   2023-09-16   
620-454 5 Arkansas City KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-09-25   
620-454 6 Arkansas City KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-09-25   
620-454 7 Arkansas City KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-09-25   
620-454 8 Arkansas City KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-09-25   
620-454 9 Arkansas City KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-09-25   
620-455 A Oxford KS OXFRKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-455 0 Oxford KS OXFRKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-455 1 Oxford KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2017-05-02   
620-455 2 Oxford KS OXFRKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-455 3 Oxford KS OXFRKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-455 4 Oxford KS WCHTKSMBX2X  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2014-04-26   
620-455 5 Oxford KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2020-10-18   
620-455 6 Oxford KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2020-10-18   
620-455 7 Oxford KS WCHTKSBRXVY  508J CENTURYLINK COMMUNICATIONS, LLC 532   2014-03-04   
620-455 8 Oxford KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-10   
620-455 9 Oxford KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-10   
620-456 A Conway Springs KS CNSPKSXADS0  1780 HAVILAND TEL. CO., INC. 532      
620-457 A Cherokee KS GRRDKSXADS0  1818 CRAW-KAN TEL. COOP.,INC. - KS 532      
620-458 A Hudson KS HDSNKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-458 0 Hudson KS HDSNKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-458 1 Hudson KS HDSNKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-458 2 Hudson KS HDSNKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      
620-458 3 Hudson KS HDSNKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      

<< 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 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.