Local Calling Guide
Area code/prefix search
Dallas, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 972-850
| 7 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2009-10-12 |
|
| 972-850
| 8 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-11-21 |
|
| 972-850
| 9 |
RCSNTXHVBMD |
516C AT&T CORP. |
552 |
|
2011-03-21 |
|
| 972-851
| A |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 0 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 1 |
DLLSTXTAXTZ |
624H ONVOY SPECTRUM, LLC |
552 |
|
2021-12-19 |
|
| 972-851
| 2 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 3 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 4 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 5 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 6 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 7 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 8 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-851
| 9 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-852
| A |
DLLSTXJFPS1 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
|
|
| 972-855
| A |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-855
| 0 |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2012-02-23 |
|
| 972-855
| 1 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-855
| 2 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-855
| 3 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-855
| 4 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-855
| 5 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-855
| 6 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-855
| 7 |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2012-02-23 |
|
| 972-855
| 8 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-11-21 |
|
| 972-855
| 9 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| A |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 0 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 1 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 2 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 3 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 4 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-856
| 5 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 6 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 7 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 8 |
|
6529 T-MOBILE USA, INC. |
552 |
|
2025-05-21 |
|
| 972-856
| 9 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-857
| A |
DLLSTXFBRS2 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-858
| A |
DLLSTXADRS3 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| A |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 0 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 1 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 2 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 3 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 4 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 5 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 6 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 7 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 8 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-860
| 9 |
DLLSTXALDS4 |
903C ONVOY, LLC - TX |
552 |
|
2009-02-11 |
|
| 972-861
| A |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-861
| 0 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-12-30 |
|
| 972-861
| 1 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-861
| 2 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2013-03-07 |
|
| 972-861
| 3 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 4 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 5 |
DLLSTX97DS8 |
8833 LOGIX COMMUNICATIONS CORPORATION - TX |
552 |
|
2010-01-21 |
|
| 972-861
| 6 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 7 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-861
| 8 |
DLLSTXJFDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
552 |
|
2010-02-16 |
|
| 972-863
| A |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-863
| 0 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-12-30 |
|
| 972-863
| 1 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-04-28 |
|
| 972-863
| 2 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2011-04-28 |
|
| 972-863
| 3 |
RCSNTXHVBMD |
516C AT&T CORP. |
552 |
|
2009-11-13 |
|
| 972-863
| 4 |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
2009-06-07 |
|
| 972-863
| 5 |
DLLSTXREDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
2009-06-07 |
|
| 972-863
| 6 |
DLLSTXEMDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-863
| 7 |
RCSNTXHVBMD |
516C AT&T CORP. |
552 |
|
2009-06-25 |
|
| 972-863
| 8 |
RCSNTXHVBMD |
516C AT&T CORP. |
552 |
|
2009-12-29 |
|
| 972-863
| 9 |
RCSNTXHVBMD |
516C AT&T CORP. |
552 |
|
2009-12-29 |
|
| 972-865
| A |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
| 972-865
| 0 |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
| 972-865
| 1 |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
| 972-865
| 2 |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
| 972-865
| 3 |
FRSCTXBJPS0 |
7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX |
552 |
|
|
|
| 972-865
| 4 |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2010-12-13 |
|
| 972-865
| 5 |
DLLTTXID1MD |
5562 METROPCS, INC. |
552 |
|
2010-09-20 |
|
| 972-865
| 6 |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2010-12-13 |
|
| 972-865
| 7 |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2010-12-13 |
|
| 972-865
| 8 |
DLLSTXHM0MD |
829J PAETEC ITEL, LLC |
552 |
|
2012-04-13 |
|
| 972-866
| A |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 0 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 1 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 2 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 3 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 4 |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2010-11-15 |
|
| 972-866
| 5 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 6 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 7 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 8 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-866
| 9 |
DLLSTXADDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-868
| A |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-869
| A |
DLLSTXNODS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-882
| A |
DLLSTXMSDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-882
| 0 |
DLLSTXMSDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-882
| 1 |
DLLSTXMSDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-882
| 2 |
DLLSTXMSDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-882
| 3 |
DLLSTXMSDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
| 972-882
| 4 |
DLLSTXMSDS0 |
9533 SOUTHWESTERN BELL |
552 |
|
|
|
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Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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