Local Calling Guide
Area code/prefix search
Seattle, WA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 206-487
| 7 |
STTLWAWBDSH |
159F PEERLESS NETWORK OF WASHINGTON, LLC - WA |
674 |
|
2016-08-12 |
|
| 206-487
| 8 |
STTLWA060MD |
5562 METROPCS, INC. |
674 |
|
2016-08-12 |
|
| 206-487
| 9 |
STTLWA060MD |
5562 METROPCS, INC. |
674 |
|
2016-08-12 |
|
| 206-489
| A |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
|
|
| 206-489
| 0 |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
2013-05-20 |
|
| 206-489
| 1 |
TKWLWAZSPS0 |
7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
674 |
|
2013-05-27 |
|
| 206-489
| 2 |
STTNWAHODSC |
6121 LEVEL 3 COMMUNICATIONS, LLC - WA |
674 |
|
2013-03-23 |
|
| 206-489
| 3 |
STTNWAHODSC |
6121 LEVEL 3 COMMUNICATIONS, LLC - WA |
674 |
|
2013-03-23 |
|
| 206-489
| 4 |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
2013-05-10 |
|
| 206-489
| 5 |
STTLWA03X7X |
829J PAETEC ITEL, LLC |
674 |
|
2013-05-16 |
|
| 206-489
| 6 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2013-05-16 |
|
| 206-489
| 7 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2013-05-16 |
|
| 206-489
| 8 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2013-02-18 |
|
| 206-489
| 9 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2013-02-18 |
|
| 206-490
| A |
STTLWA06DS0 |
9638 QWEST CORPORATION |
674 |
|
|
|
| 206-491
| A |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
|
|
| 206-492
| A |
STTLWAGAPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-492
| 0 |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
2015-11-16 |
|
| 206-492
| 1 |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
2015-12-31 |
|
| 206-492
| 2 |
STTLWAGAPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
2015-11-09 |
|
| 206-492
| 3 |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
2015-12-31 |
|
| 206-492
| 4 |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
2015-11-30 |
|
| 206-492
| 5 |
STTLWA03X1X |
318J COMCAST IP PHONE, LLC |
674 |
|
2015-11-18 |
|
| 206-492
| 6 |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
2015-11-09 |
|
| 206-492
| 7 |
STTLWA03X1X |
318J COMCAST IP PHONE, LLC |
674 |
|
2016-01-12 |
|
| 206-492
| 8 |
STTLWAWBX7Z |
006F BANDWIDTH.COM CLEC, LLC - WA |
674 |
|
2015-12-25 |
|
| 206-492
| 9 |
STTLWAGAAMD |
5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA |
674 |
|
2015-11-30 |
|
| 206-493
| A |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
674 |
|
|
|
| 206-493
| 0 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2024-08-16 |
|
| 206-493
| 1 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-493
| 2 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-493
| 3 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2024-08-16 |
|
| 206-493
| 4 |
STTLWAWB20Z |
478J NUSO, LLC |
674 |
|
2024-04-08 |
|
| 206-493
| 5 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
674 |
|
2026-04-29 |
|
| 206-493
| 6 |
STTLWAWB20Z |
478J NUSO, LLC |
674 |
|
2024-04-08 |
|
| 206-493
| 7 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2024-07-24 |
|
| 206-493
| 8 |
STTLWA060MD |
6529 T-MOBILE USA, INC. |
674 |
|
2024-07-24 |
|
| 206-493
| 9 |
STTLWAWBXSZ |
939H COMMIO, LLC |
674 |
|
2024-04-18 |
|
| 206-494
| A |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-494
| 0 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-494
| 1 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-494
| 2 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-494
| 3 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-494
| 4 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-494
| 5 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-494
| 6 |
STTLWAGAPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
2005-02-27 |
|
| 206-494
| 7 |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
2005-02-27 |
|
| 206-494
| 8 |
STTLWAGAPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
2005-02-27 |
|
| 206-494
| 9 |
STTLWAWBDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
674 |
|
|
|
| 206-495
| A |
STTLWAWBDS1 |
483E ONVOY, LLC - WA |
674 |
|
|
|
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Last updated: Sat, 02 May 2026 12:20:53 UTC
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