Local Calling Guide
Area code/prefix search
NPA: 503
[Rate centres in NPA 503]
[Dial plan for NPA 503]
<< 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 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 503-449
| 3 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-449
| 4 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-449
| 5 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-449
| 6 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-449
| 7 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-449
| 8 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-449
| 9 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
|
|
| 503-450
| A |
Portland |
OR |
PTLDOR69DS1 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-451
| A |
Clackamas |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-451
| 0 |
Clackamas |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2008-11-29 |
|
| 503-451
| 1 |
Clackamas |
OR |
BENDOR248MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
672 |
|
2016-03-10 |
|
| 503-451
| 2 |
Clackamas |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-451
| 3 |
Clackamas |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2010-11-28 |
|
| 503-451
| 4 |
Clackamas |
OR |
BENDOR248MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
672 |
|
2016-03-10 |
|
| 503-451
| 5 |
Clackamas |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2011-01-28 |
|
| 503-451
| 6 |
Clackamas |
OR |
PTLGORIA7MD |
3234 LEVEL 3 COMMUNICATIONS, LLC - OR |
672 |
|
2011-08-05 |
|
| 503-451
| 7 |
Clackamas |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-451
| 8 |
Clackamas |
OR |
LKOSOR62DS0 |
9638 QWEST CORPORATION |
672 |
|
2010-11-19 |
|
| 503-451
| 9 |
Clackamas |
OR |
BENDOR248MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
672 |
|
2016-03-10 |
|
| 503-452
| A |
Portland |
OR |
PTLDOR17DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-453
| A |
Portland |
OR |
TGRDORXACG0 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-453
| 0 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2004-04-19 |
|
| 503-453
| 1 |
Portland |
OR |
TGRDORXACG0 |
4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER |
672 |
|
|
|
| 503-453
| 2 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2002-12-02 |
|
| 503-453
| 3 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2002-12-02 |
|
| 503-453
| 4 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2004-03-26 |
|
| 503-453
| 5 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2002-12-02 |
|
| 503-453
| 6 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2002-12-02 |
|
| 503-453
| 7 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2002-12-02 |
|
| 503-453
| 8 |
Portland |
OR |
PTLEORTEPS0 |
7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
672 |
|
2002-11-04 |
|
| 503-453
| 9 |
Portland |
OR |
PTLJORIY0MD |
6529 T-MOBILE USA, INC. |
672 |
|
2002-12-02 |
|
| 503-454
| A |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-454
| 0 |
Stafford-Sandy |
OR |
PTLDOR13XFX |
318J COMCAST IP PHONE, LLC |
672 |
|
|
|
| 503-454
| 1 |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-454
| 2 |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-454
| 3 |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-454
| 4 |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-454
| 5 |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-454
| 6 |
Stafford-Sandy |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2011-02-27 |
|
| 503-454
| 7 |
Stafford-Sandy |
OR |
TGRDORAODS0 |
7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
672 |
|
|
|
| 503-454
| 8 |
Stafford-Sandy |
OR |
BVTNORXBXMX |
624H ONVOY SPECTRUM, LLC |
672 |
|
2021-05-22 |
|
| 503-454
| 9 |
Stafford-Sandy |
OR |
BVTNORXBXMX |
624H ONVOY SPECTRUM, LLC |
672 |
|
2021-05-22 |
|
| 503-455
| A |
Westport |
OR |
WSPTOR64DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-455
| 0 |
Westport |
OR |
WSPTOR64DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-455
| 1 |
Westport |
OR |
WSPTOR64DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-455
| 2 |
Westport |
OR |
WSPTOR64DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-455
| 3 |
Westport |
OR |
WSPTOR64DS0 |
9638 QWEST CORPORATION |
672 |
|
|
|
| 503-455
| 4 |
Westport |
OR |
PTLDOR69UMD |
076F BANDWIDTH.COM CLEC, LLC - OR |
672 |
|
2011-12-24 |
|
| 503-455
| 5 |
Westport |
OR |
PTLDORWADS2 |
750E ONVOY, LLC - OR |
672 |
|
2012-12-16 |
|
| 503-455
| 6 |
Westport |
OR |
PTLDORWADS2 |
750E ONVOY, LLC - OR |
672 |
|
2012-12-16 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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