Local Calling Guide
Area code/prefix search
Pittsburgh Suburban Zone 21, PA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 412-573
| A |
|
829J PAETEC ITEL, LLC |
234 |
|
2025-03-04 |
|
| 412-573
| 0 |
|
829J PAETEC ITEL, LLC |
234 |
|
|
|
| 412-573
| 1 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2011-09-26 |
|
| 412-573
| 2 |
|
829J PAETEC ITEL, LLC |
234 |
|
|
|
| 412-573
| 3 |
|
9208 VERIZON PENNSYLVANIA, INC. |
234 |
|
2004-08-15 |
|
| 412-573
| 4 |
|
4007 LEVEL 3 COMMUNICATIONS, LLC - PA |
234 |
|
2003-08-20 |
|
| 412-573
| 5 |
|
4007 LEVEL 3 COMMUNICATIONS, LLC - PA |
234 |
|
2005-02-12 |
|
| 412-573
| 6 |
|
4007 LEVEL 3 COMMUNICATIONS, LLC - PA |
234 |
|
2005-12-08 |
|
| 412-573
| 7 |
|
4007 LEVEL 3 COMMUNICATIONS, LLC - PA |
234 |
|
2005-12-08 |
|
| 412-573
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
234 |
|
2008-11-08 |
|
| 412-573
| 9 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2008-12-19 |
|
| 412-701
| A |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
234 |
|
|
|
| 412-701
| 0 |
|
073H TELNYX LLC |
234 |
|
2017-08-03 |
|
| 412-701
| 1 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2012-10-14 |
|
| 412-701
| 2 |
|
624H ONVOY SPECTRUM, LLC |
234 |
|
2021-05-20 |
|
| 412-701
| 3 |
|
829J PAETEC ITEL, LLC |
234 |
|
2008-11-06 |
|
| 412-701
| 4 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2013-12-27 |
|
| 412-701
| 5 |
|
515J IP HORIZON LLC |
234 |
|
2015-09-28 |
|
| 412-701
| 6 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2016-09-15 |
|
| 412-701
| 7 |
|
5562 METROPCS, INC. |
234 |
|
2018-11-15 |
|
| 412-701
| 8 |
|
5562 METROPCS, INC. |
234 |
|
2018-11-15 |
|
| 412-701
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
234 |
|
|
|
| 412-704
| A |
PITBPAMADS0 |
7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA |
234 |
|
|
|
| 412-704
| 1 |
|
7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA |
234 |
|
|
|
| 412-704
| 2 |
|
547E ONVOY, LLC - PA |
234 |
|
2018-09-13 |
|
| 412-704
| 3 |
|
547E ONVOY, LLC - PA |
234 |
|
2024-03-01 |
|
| 412-704
| 4 |
|
318J COMCAST IP PHONE, LLC |
234 |
|
2014-06-06 |
|
| 412-704
| 5 |
|
318J COMCAST IP PHONE, LLC |
234 |
|
|
|
| 412-704
| 6 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
234 |
|
2015-06-20 |
|
| 412-704
| 7 |
|
318J COMCAST IP PHONE, LLC |
234 |
|
|
|
| 412-704
| 8 |
|
547E ONVOY, LLC - PA |
234 |
|
2024-03-01 |
|
| 412-704
| 9 |
|
547E ONVOY, LLC - PA |
234 |
|
2024-03-01 |
|
| 412-712
| A |
GIBSPAXGDS1 |
8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA |
234 |
|
|
|
| 412-712
| 0 |
|
967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA |
234 |
|
2013-05-05 |
|
| 412-712
| 1 |
|
8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA |
234 |
|
|
|
| 412-712
| 2 |
|
5562 METROPCS, INC. |
234 |
|
2014-07-09 |
|
| 412-712
| 3 |
|
5562 METROPCS, INC. |
234 |
|
2014-09-08 |
|
| 412-712
| 4 |
|
5562 METROPCS, INC. |
234 |
|
2014-09-08 |
|
| 412-712
| 5 |
|
5562 METROPCS, INC. |
234 |
|
2014-09-08 |
|
| 412-712
| 6 |
|
5562 METROPCS, INC. |
234 |
|
2014-09-08 |
|
| 412-712
| 7 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2010-02-27 |
|
| 412-712
| 8 |
|
967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA |
234 |
|
2013-05-05 |
|
| 412-712
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
234 |
|
2003-11-17 |
|
| 412-744
| A |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
234 |
|
|
|
| 412-744
| 0 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
234 |
|
2004-04-29 |
|
| 412-744
| 1 |
|
829J PAETEC ITEL, LLC |
234 |
|
2002-04-26 |
|
| 412-744
| 2 |
|
547E ONVOY, LLC - PA |
234 |
|
2016-04-07 |
|
| 412-744
| 3 |
|
547E ONVOY, LLC - PA |
234 |
|
2014-11-06 |
|
| 412-744
| 4 |
|
318J COMCAST IP PHONE, LLC |
234 |
|
2006-10-25 |
|
| 412-744
| 5 |
|
752H BARR TELL USA, INC. - PA |
234 |
|
2016-03-27 |
|
| 412-744
| 6 |
|
5562 METROPCS, INC. |
234 |
|
2013-11-15 |
|
| 412-744
| 7 |
|
657B CITYNET PENNSYLVANIA, LLC - PA |
234 |
|
2004-10-10 |
|
| 412-744
| 8 |
|
547E ONVOY, LLC - PA |
234 |
|
2016-04-07 |
|
| 412-744
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
234 |
|
|
|
| 412-793
| A |
PEHLPAPHDS0 |
9208 VERIZON PENNSYLVANIA, INC. |
234 |
|
|
|
| 412-795
| A |
PEHLPAPHDS0 |
9208 VERIZON PENNSYLVANIA, INC. |
234 |
|
|
|
| 412-798
| A |
PEHLPAPHDS0 |
9208 VERIZON PENNSYLVANIA, INC. |
234 |
|
|
|
| 412-827
| A |
PITBPADTX2Z |
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
|
|
| 412-827
| 0 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2022-03-21 |
|
| 412-827
| 1 |
|
547E ONVOY, LLC - PA |
234 |
|
2024-04-05 |
|
| 412-827
| 4 |
|
547E ONVOY, LLC - PA |
234 |
|
2024-04-05 |
|
| 412-827
| 8 |
|
939H COMMIO, LLC |
234 |
|
2022-09-25 |
|
| 412-827
| 9 |
|
939H COMMIO, LLC |
234 |
|
2022-09-25 |
|
| 412-832
| A |
|
624H ONVOY SPECTRUM, LLC |
234 |
|
|
|
| 412-832
| 0 |
|
145J TERRA NOVA TELECOM INC. |
234 |
|
2023-08-10 |
|
| 412-832
| 2 |
|
624H ONVOY SPECTRUM, LLC |
234 |
|
2021-12-09 |
|
| 412-832
| 3 |
|
624H ONVOY SPECTRUM, LLC |
234 |
|
2021-12-09 |
|
| 412-832
| 7 |
|
318J COMCAST IP PHONE, LLC |
234 |
|
2021-06-23 |
|
| 412-832
| 8 |
|
515J IP HORIZON LLC |
234 |
|
2015-03-28 |
|
| 412-990
| A |
PITBPADTXYY |
547E ONVOY, LLC - PA |
234 |
|
|
|
| 412-990
| 0 |
|
547E ONVOY, LLC - PA |
234 |
|
2023-10-09 |
|
| 412-990
| 1 |
|
547E ONVOY, LLC - PA |
234 |
|
2020-07-11 |
|
| 412-990
| 2 |
|
547E ONVOY, LLC - PA |
234 |
|
2020-07-11 |
|
| 412-990
| 3 |
|
547E ONVOY, LLC - PA |
234 |
|
2020-10-30 |
|
| 412-990
| 4 |
|
547E ONVOY, LLC - PA |
234 |
|
2020-10-30 |
|
| 412-990
| 5 |
|
967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA |
234 |
|
2024-11-22 |
|
| 412-990
| 6 |
|
547E ONVOY, LLC - PA |
234 |
|
2021-07-22 |
|
| 412-990
| 7 |
|
002F BANDWIDTH.COM CLEC, LLC - PA |
234 |
|
2022-02-14 |
|
| 412-990
| 8 |
|
5562 METROPCS, INC. |
234 |
|
2020-09-19 |
|
| 412-990
| 9 |
|
5562 METROPCS, INC. |
234 |
|
2020-09-19 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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