Local Calling Guide
Area code/prefix search
NPA: 737
[Rate centres in NPA 737]
[Dial plan for NPA 737]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 737-442
| 3 |
Austin |
TX |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-07-31 |
|
| 737-442
| 4 |
Austin |
TX |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-07-31 |
|
| 737-442
| 5 |
Austin |
TX |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-07-31 |
|
| 737-442
| 6 |
Austin |
TX |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-07-31 |
|
| 737-442
| 7 |
Austin |
TX |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-07-31 |
|
| 737-442
| 8 |
Austin |
TX |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2026-07-30 |
|
| 737-442
| 9 |
Austin |
TX |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-07-31 |
|
| 737-443
| A |
Austin |
TX |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
|
|
| 737-443
| 0 |
Austin |
TX |
AUSYTXFC1MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-15 |
|
| 737-443
| 1 |
Austin |
TX |
|
515J IP HORIZON LLC |
558 |
|
2016-08-13 |
|
| 737-443
| 2 |
Austin |
TX |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2016-08-14 |
|
| 737-443
| 3 |
Austin |
TX |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2016-08-14 |
|
| 737-443
| 4 |
Austin |
TX |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2016-08-14 |
|
| 737-443
| 5 |
Austin |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2016-08-14 |
|
| 737-443
| 6 |
Austin |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2016-08-14 |
|
| 737-443
| 7 |
Austin |
TX |
AUSYTXFC1MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-15 |
|
| 737-443
| 8 |
Austin |
TX |
AUSXTXZR0MD |
793K TWC IP ENABLED SERVICES, LLC |
558 |
|
2016-09-22 |
|
| 737-443
| 9 |
Austin |
TX |
AUSYTXFC1MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2017-09-28 |
|
| 737-444
| A |
Georgetown |
TX |
AUSTTXGRDS3 |
319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX |
558 |
|
|
|
| 737-444
| 0 |
Georgetown |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2014-03-27 |
|
| 737-444
| 1 |
Georgetown |
TX |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2014-08-21 |
|
| 737-444
| 2 |
Georgetown |
TX |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2014-09-14 |
|
| 737-444
| 3 |
Georgetown |
TX |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2014-09-11 |
|
| 737-444
| 4 |
Georgetown |
TX |
AUSTTXGRDS3 |
319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX |
558 |
|
2013-07-01 |
|
| 737-444
| 5 |
Georgetown |
TX |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2014-11-07 |
|
| 737-444
| 6 |
Georgetown |
TX |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2014-11-07 |
|
| 737-444
| 7 |
Georgetown |
TX |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2014-11-07 |
|
| 737-444
| 8 |
Georgetown |
TX |
AUSYTXFC0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2015-02-14 |
|
| 737-444
| 9 |
Georgetown |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2014-03-27 |
|
| 737-448
| A |
Dripping Springs |
TX |
AUSWTXGXBMD |
5562 METROPCS, INC. |
558 |
|
2026-07-14 |
|
| 737-448
| 9 |
Dripping Springs |
TX |
AUSWTXGXBMD |
5562 METROPCS, INC. |
558 |
|
2026-07-14 |
|
| 737-450
| A |
Lockhart |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2026-02-07 |
|
| 737-450
| 0 |
Lockhart |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2026-02-07 |
|
| 737-450
| 2 |
Lockhart |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2026-09-04 |
|
| 737-450
| 8 |
Lockhart |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-09-09 |
|
| 737-450
| 9 |
Lockhart |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-09-09 |
|
| 737-455
| A |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 0 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 1 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 2 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 3 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 4 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 5 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 6 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 7 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 8 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-455
| 9 |
Austin |
TX |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2026-08-13 |
|
| 737-465
| A |
Austin |
TX |
AUSTTXGR51Z |
965H FRACTEL, LLC |
558 |
|
|
|
| 737-465
| 0 |
Austin |
TX |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2019-08-31 |
|
| 737-465
| 1 |
Austin |
TX |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2019-08-31 |
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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