Local Calling Guide
Area code/prefix search
NPA: 972
[Rate centres in NPA 972]
[Dial plan for NPA 972]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-856
| A |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 0 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 1 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 2 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 3 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 4 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 5 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 6 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 7 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 8 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 9 |
Dallas |
TX |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-857
| A |
Dallas |
TX |
DLLSTXFBRS2 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-858
| A |
Dallas |
TX |
DLLSTXADRS3 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| A |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 0 |
Grand Prairie EMS |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2004-07-05 |
|
| 972-859
| 1 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 2 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 3 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 4 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 5 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 6 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 7 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 8 |
Grand Prairie EMS |
TX |
DLLSTXMCDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-859
| 9 |
Grand Prairie EMS |
TX |
DLLTTXID1MD |
6529 T-MOBILE USA, INC. |
552 |
|
2004-08-15 |
|
| 972-860
| A |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 0 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 1 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 2 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 3 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 4 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 5 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 6 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 7 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 8 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 9 |
Dallas |
TX |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2009-02-11 |
|
| 972-861
| A |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-861
| 0 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-12-30 |
|
| 972-861
| 1 |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-861
| 2 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2013-03-07 |
|
| 972-861
| 3 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 4 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 5 |
Dallas |
TX |
|
903C ONVOY, LLC - TX |
552 |
|
2010-01-21 |
|
| 972-861
| 6 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 7 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 8 |
Dallas |
TX |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 9 |
Dallas |
TX |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-06-19 |
|
| 972-862
| A |
Carrollton |
TX |
CRTNTXXCDS0 |
4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS |
552 |
|
|
|
| 972-863
| A |
Dallas |
TX |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-863
| 0 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-12-30 |
|
| 972-863
| 1 |
Dallas |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-04-28 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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