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.

Last updated: Wed, 26 Aug 2015 02:01:48 UTC

NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
972-200 A Seagoville TX DLLSTX97DSA  4938 BROADWING COMMUNICATIONS, LLC - TX [link] 552     map
972-200 0 Seagoville TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX [link] 552 2005-01-17     
972-200 1 Seagoville TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX [link] 552 2005-07-01     
972-200 2 Seagoville TX   9408 PG TELECOM OF TEXAS INC. - TX [link] 552 2005-03-10     
972-200 3 Seagoville TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX [link] 552 2005-07-01     
972-200 4 Seagoville TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX [link] 552 2004-01-13     
972-200 5 Seagoville TX   4938 BROADWING COMMUNICATIONS, LLC - TX [link] 552 2003-02-22     
972-200 6 Seagoville TX   4938 BROADWING COMMUNICATIONS, LLC - TX [link] 552 2006-06-15     
972-200 7 Seagoville TX   4938 BROADWING COMMUNICATIONS, LLC - TX [link] 552 2006-10-29     
972-200 8 Seagoville TX   4911 IONEX COMMUNICATIONS SOUTH, INC. - TX [link] 552 2003-10-25     
972-200 9 Seagoville TX   4938 BROADWING COMMUNICATIONS, LLC - TX [link] 552 2006-08-26     
972-201 A Dallas TX DLLSTX97DS1  7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX [link] 552     map
972-201 0 Dallas TX   7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX [link] 552      
972-201 1 Dallas TX   7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX [link] 552      
972-201 2 Dallas TX   7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX [link] 552      
972-201 3 Dallas TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX [link] 552 2011-05-06     
972-201 4 Dallas TX   5562 METRO PCS, INC. [link] 552 2007-07-22     
972-201 5 Dallas TX   5562 METRO PCS, INC. [link] 552 2007-07-22     
972-201 6 Dallas TX   5562 METRO PCS, INC. [link] 552 2007-07-22     
972-201 7 Dallas TX   5562 METRO PCS, INC. [link] 552 2007-07-22     
972-201 8 Dallas TX   5562 METRO PCS, INC. [link] 552 2007-07-22     
972-201 9 Dallas TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX [link] 552 2011-06-09     
972-202 A Plano TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552     map
972-202 0 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 1 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 2 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 3 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 4 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 5 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 6 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 7 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 8 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-202 9 Plano TX   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS [link] 552      
972-203 A Dallas TX DLLSTXSUDS0  9533 SOUTHWESTERN BELL [link] 552     map
972-203 0 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 1 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 2 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 3 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 4 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 5 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 6 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 7 Dallas TX   327E YMAX COMMUNICATIONS CORP. - TX [link] 552 2007-12-15     
972-203 8 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-203 9 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-204 A Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL [link] 552     map
972-204 0 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-204 1 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-204 2 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-204 3 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      
972-204 4 Dallas TX   9533 SOUTHWESTERN BELL [link] 552      

Sponsored by: Execulink Telecom