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: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-532 8 Campbellton TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-04-22   
830-534 A Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 0 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 1 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 2 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 3 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 4 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 5 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 6 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 7 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 8 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-534 9 Gillett TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-535 A Pipe Creek TX PCRKTXPCDS0  9533 SOUTHWESTERN BELL 566      
830-535 1 Pipe Creek TX PCRKTXPCDS0  9533 SOUTHWESTERN BELL 566      
830-535 2 Pipe Creek TX SNANTXCA58Z  516C AT&T CORP. 566   2007-02-15   
830-535 4 Pipe Creek TX PCRKTXPCDS0  9533 SOUTHWESTERN BELL 566      
830-535 6 Pipe Creek TX PCRKTXPCDS0  9533 SOUTHWESTERN BELL 566      
830-535 9 Pipe Creek TX   145J TERRA NOVA TELECOM INC. 566   2023-11-16   
830-537 A Sabina TX SABNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-538 A Castroville TX CSVLTXCTDS0  9533 SOUTHWESTERN BELL 566      
830-538 0 Castroville TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2016-08-06   
830-538 1 Castroville TX CSVLTXCTDS0  9533 SOUTHWESTERN BELL 566      
830-538 2 Castroville TX CSVLTXCTDS0  9533 SOUTHWESTERN BELL 566      
830-538 3 Castroville TX CSVLTXCTDS0  9533 SOUTHWESTERN BELL 566      
830-538 4 Castroville TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-01-13   
830-538 5 Castroville TX SNANTXCA58Z  516C AT&T CORP. 566   2011-03-25   
830-538 6 Castroville TX CSVLTXCTDS0  9533 SOUTHWESTERN BELL 566      
830-538 7 Castroville TX SNANTXCA60Z  508J CENTURYLINK COMMUNICATIONS, LLC 566   2016-11-23   
830-538 8 Castroville TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2012-07-27   
830-538 9 Castroville TX CSVLTXCTDS0  9533 SOUTHWESTERN BELL 566      
830-540 A Saturn TX STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 0 Saturn TX STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 1 Saturn TX BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-11-07   
830-540 3 Saturn TX STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 4 Saturn TX STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 5 Saturn TX BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-11-07   
830-540 6 Saturn TX STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 8 Saturn TX STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 9 Saturn TX STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-541 A Devine TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-541 0 Devine TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2021-11-25   
830-541 1 Devine TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566   2021-06-24   
830-541 2 Devine TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2021-03-19   
830-541 3 Devine TX SNANTXCA41Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2016-08-05   
830-541 4 Devine TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2005-09-10   
830-541 5 Devine TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2005-09-10   
830-541 7 Devine TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2014-11-08   
830-541 8 Devine TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2023-10-29   
830-541 9 Devine TX SNANTXDIRMD  903C ONVOY, LLC - TX 566   2021-11-25   
830-542 A Floresville TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      

<< 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 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.