503 Area Code has 768 prefixes

PrefixPrimary CityCarrier
503-825PortlandTeleport Communications America, Llc - Or
503-826SandyFrontier Communications Northwest, Inc. - Or
503-827PortlandQwest Corporation
503-828HillsboroLevel 3 Communications, Llc - Or
503-829MolallaMolalla Telephone Co.
503-830PortlandNew Cingular Wireless Pcs, Llc
503-831DallasQwest Corporation
503-832PortlandGlobal Crossing Local Services, Inc.-or
503-833PortlandQwest Corporation
503-834EstacadaCascade Utilities, Inc.
503-835AmityFrontier Communications Northwest, Inc. - Or
503-836PortlandLevel 3 Communications, Llc - Or
503-837PortlandMonmouth Independence Network Dba Minet - Or
503-838IndependenceQwest Corporation
503-839PortlandNew Cingular Wireless Pcs, Llc
503-840PortlandLevel 3 Telecom Of Oregon, Llc - Or
503-841PortlandT-mobile Usa, Inc.
503-842TillamookUnited Telephone-northwest-or Dba Centurylink - Or
503-843SheridanUnited Telephone-northwest-or Dba Centurylink - Or
503-844HillsboroFrontier Communications Northwest, Inc. - Or
503-845Mount AngelMt. Angel Telephone Co.
503-846HillsboroFrontier Communications Northwest, Inc. - Or
503-847PortlandNew Cingular Wireless Pcs, Llc
503-848BeavertonFrontier Communications Northwest, Inc. - Or
503-849PortlandSprint Spectrum L.p.
503-850PortlandLevel 3 Telecom Of Oregon, Llc - Or
503-851PortlandT-mobile Usa, Inc.
503-852CarltonUnited Telephone-northwest-or Dba Centurylink - Or
503-853HillsboroCellco Partnership Dba Verizon Wireless - Or
503-854PortlandFrontier Communications Northwest, Inc. - Or
503-855PortlandLevel 3 Telecom Of Oregon, Llc - Or
503-856SalemQwest Corporation
503-857PortlandLevel 3 Telecom Of Oregon, Llc - Or
503-858HillsboroLevel 3 Telecom Of Oregon, Llc - Or
503-859LyonsPeoples Tel Co
503-860PortlandNew Cingular Wireless Pcs, Llc
503-861WarrentonQwest Corporation
503-862PortlandLevel 3 Telecom Of Oregon, Llc - Or
503-863PortlandNew Cingular Wireless Pcs, Llc
503-864DaytonFrontier Communications Northwest, Inc. - Or
503-865PortlandQwest Corporation
503-866PortlandNew Cingular Wireless Pcs, Llc
503-867HillsboroCellco Partnership Dba Verizon Wireless - Or
503-868PortlandFrontier Communications Northwest, Inc. - Or
503-869PortlandNew Cingular Wireless Pcs, Llc
503-870PortlandUsa Mobility Wireless, Inc.
503-871SalemCellco Partnership Dba Verizon Wireless - Or
503-872PortlandQwest Corporation
503-873SilvertonFrontier Communications Northwest, Inc. - Or
503-874SilvertonFrontier Communications Northwest, Inc. - Or
503-875PortlandNew Cingular Wireless Pcs, Llc
503-876WillaminaUnited Telephone-northwest-or Dba Centurylink - Or
503-877PortlandCellco Partnership Dba Verizon Wireless - Or
503-878PortlandMcimetro Access Transmission Services Llc
503-879Grand RondeUnited Telephone-northwest-or Dba Centurylink - Or
503-880PortlandNew Cingular Wireless Pcs, Llc
503-881PortlandNew Cingular Wireless Pcs, Llc
503-882BeavertonLevel 3 Telecom Of Oregon, Llc - Or
503-883PortlandIntegra Telecom Of Oregon, Inc. - Or
503-884PortlandSprint Spectrum L.p.
503-885TualatinFrontier Communications Northwest, Inc. - Or
503-886PortlandQwest Corporation
503-887PortlandNew Cingular Wireless Pcs, Llc
503-888PortlandT-mobile Usa, Inc.
503-889PortlandTeleport Communications America, Llc - Or
503-890PortlandSprint Spectrum L.p.
503-891PortlandSprint Spectrum L.p.
503-892PortlandQwest Corporation
503-893PortlandMagna5 Llc
503-894HillsboroCellco Partnership Dba Verizon Wireless - Or
503-895BeavertonYmax Communications Corp. - Or
503-896PortlandCellco Partnership Dba Verizon Wireless - Or
503-897Mill CityFrontier Communications Northwest, Inc. - Or
503-898PortlandBeaver Creek Cooperative Telephone Co.
503-899HillsboroLevel 3 Telecom Of Oregon, Llc - Or
503-900WoodburnAstound Broadband, Llc - Or
503-901PortlandSprint Spectrum L.p.
503-902PortlandAstound Broadband, Llc - Or
503-903PortlandUsa Mobility Wireless, Inc.
503-904PortlandUsa Mobility Wireless, Inc.
503-905PortlandElectric Lightwave, Llc Dba Integra Telecom - Or
503-906PortlandElectric Lightwave, Llc Dba Integra Telecom - Or
503-907PortlandElectric Lightwave, Llc Dba Integra Telecom - Or
503-908PortlandComcast Phone Of Oregon, Llc - Or
503-909PortlandQwest Corporation
503-910SalemCellco Partnership Dba Verizon Wireless - Or
503-912PortlandComcast Phone Of Oregon, Llc - Or
503-913PortlandNew Cingular Wireless Pcs, Llc
503-914PortlandT-mobile Usa, Inc.
503-915PortlandNew Cingular Wireless Pcs, Llc
503-916PortlandQwest Corporation
503-917PortlandSprint Spectrum L.p.
503-918PortlandUsa Mobility Wireless, Inc.
503-919PortlandNew Cingular Wireless Pcs, Llc
503-920PortlandUsa Mobility Wireless, Inc.
503-921PortlandUsa Mobility Wireless, Inc.
503-922PortlandTeleport Communications America, Llc - Or
503-923PortlandEltopia Communications, Llc - Or
503-924PortlandIntegra Telecom Of Oregon, Inc. - Or
503-925SherwoodFrontier Communications Northwest, Inc. - Or
503-926PortlandNew Cingular Wireless Pcs, Llc
503-927PortlandT-mobile Usa, Inc.
503-928PortlandNew Cingular Wireless Pcs, Llc
503-929PortlandNew Cingular Wireless Pcs, Llc
503-930SalemCellco Partnership Dba Verizon Wireless - Or
503-931PortlandNew Cingular Wireless Pcs, Llc
503-932PortlandSprint Spectrum L.p.
503-933PortlandNew Cingular Wireless Pcs, Llc
503-934SalemQwest Corporation
503-935PortlandNew Cingular Wireless Pcs, Llc
503-936HillsboroCellco Partnership Dba Verizon Wireless - Or
503-937PortlandMcimetro Access Transmission Services Llc
503-938PortlandUsa Mobility Wireless, Inc.
503-939HillsboroCellco Partnership Dba Verizon Wireless - Or
503-940PortlandUsa Mobility Wireless, Inc.
503-941PortlandLevel 3 Telecom Of Oregon, Llc - Or
503-942PortlandUsa Mobility Wireless, Inc.
503-943PortlandElectric Lightwave, Llc Dba Integra Telecom - Or
503-944PortlandQwest Corporation
503-945SalemQwest Corporation
503-946PortlandTeleport Communications America, Llc - Or
503-947SalemQwest Corporation
503-948PortlandQwest Corporation
503-949SalemCellco Partnership Dba Verizon Wireless - Or
503-951HillsboroCellco Partnership Dba Verizon Wireless - Or
503-952PortlandQwest Corporation
503-953HillsboroCellco Partnership Dba Verizon Wireless - Or
503-954PortlandNew Cingular Wireless Pcs, Llc
503-955PortlandUsa Mobility Wireless, Inc.
503-956HillsboroCellco Partnership Dba Verizon Wireless - Or
503-957PortlandSprint Spectrum L.p.
503-960PortlandNew Cingular Wireless Pcs, Llc
503-961PortlandElectric Lightwave, Llc Dba Integra Telecom - Or
503-962PortlandQwest Corporation
503-963PortlandQwest Corporation
503-964HillsboroCellco Partnership Dba Verizon Wireless - Or
503-965CloverdaleUnited Telephone-northwest-or Dba Centurylink - Or
503-966PortlandOnvoy, Llc - Or
503-967PortlandElectric Lightwave, Llc Dba Integra Telecom - Or
503-968PortlandFrontier Communications Northwest, Inc. - Or
503-969PortlandSprint Spectrum L.p.
503-970PortlandNew Cingular Wireless Pcs, Llc
503-973PortlandQwest Corporation
503-974PortlandComcast Phone Of Oregon, Llc - Or
503-975PortlandSprint Spectrum L.p.
503-977PortlandQwest Corporation
503-978PortlandQwest Corporation
503-979PortlandAstound Broadband, Llc - Or
503-980WoodburnQwest Corporation
503-981WoodburnQwest Corporation
503-982WoodburnQwest Corporation
503-983SalemCellco Partnership Dba Verizon Wireless - Or
503-984PortlandT-mobile Usa, Inc.
503-985GastonFrontier Communications Northwest, Inc. - Or
503-986SalemQwest Corporation
503-987PortlandComcast Phone Of Oregon, Llc - Or
503-988PortlandQwest Corporation
503-989PortlandNew Cingular Wireless Pcs, Llc
503-990PortlandSprint Spectrum L.p.
503-991PortlandSprint Spectrum L.p.
503-992Forest GroveFrontier Communications Northwest, Inc. - Or
503-993PortlandUsa Mobility Wireless, Inc.
503-994PortlandOnvoy, Llc - Or
503-995PortlandNew Cingular Wireless Pcs, Llc
503-996WoodburnAstound Broadband, Llc - Or
503-997PortlandT-mobile Usa, Inc.
503-998PortlandT-mobile Usa, Inc.
503-999PortlandT-mobile Usa, Inc.