Area code 657

7,141 number blocks indexed across 37 carriers.

States: CA (7,141)

Carriers

OCNCompanyHQTypeBlocksRecentWebsite
6006 Cellco Partnership dba Verizon Wireless - CA Olathe, KS Wireless Carrier 4,496 607 verizonwireless.com
6010 New Cingular Wireless PCS LLC Kirkland, WA Wireless Carrier 400 34 att.com
6529 T-Mobile USA Inc Bellevue, WA Personal Communications Service (Wireless) 572 18 t-mobile.com
7139 Teleport Communications America LLC - CA Staten Island, NY Competitive Local Exchange Carrier 53 15 att.com
490J Boost SubscriberCo LLC Washington, DC Wireless Carrier 12 10 dish.com
981E Bandwidth.com CLEC LLC - CA Cary, NC Competitive Local Exchange Carrier 327 1 bandwidth.com
373F Peerless Network of California LLC - CA Chicago, IL Competitive Local Exchange Carrier 118 1 peerlessnetwork.com
516C AT&T Enterprises LLC San Antonio, TX IP-Enabled Service / VoIP 22 1 att.com
649C Onvoy LLC - CA Chicago, IL Competitive Local Exchange Carrier 487 sinch.com
8826 Level 3 Communications LLC - CA Westminster, CO Competitive Local Exchange Carrier 94 centurylink.com
576C Time Warner Cable Information Services (California) LLC dba Time Warner Cable - CA Stamford, CT Competitive Local Exchange Carrier 90 level3.com
965H Fractel LLC Indialantic, FL IP-Enabled Service / VoIP 82 fractel.net
899D T-Mobile USA Inc Richardson, TX Personal Communications Service (Wireless) 61 metropcs.com
624H Onvoy Spectrum LLC Broomfield, CO Wireless Carrier 53
939H Commio LLC Austin, TX IP-Enabled Service / VoIP 36 commio.com
073H Telnyx LLC Chicago, IL IP-Enabled Service / VoIP 25 telnyx.com
671J U.S. Telepacific Corporation dba TPx Communications Las Vegas, NV IP-Enabled Service / VoIP 24 tpx.com
829J PAETEC iTel LLC Charlotte, NC IP-Enabled Service / VoIP 24
516J Ton80 Communications LLC Anderson, SC IP-Enabled Service / VoIP 20 coretel.net
7229 MCImetro Access Transmission Services LLC Vienna, VA Competitive Local Exchange Carrier 20 verizon.com
9740 Pacific Bell Telephone Company Dallas, TX Regional Bell Operating Company 16 att.com
MULT Multiple OCN Listing Administrative / Reserved 13
197D Vonage America LLC Holmdel, NJ IP-Enabled Service / VoIP 12 vonage.com
318J Comcast IP Phone LLC Philadelphia, PA IP-Enabled Service / VoIP 12 comcast.com
7240 MCImetro Access Transmission Services LLC - CA Vienna, VA Competitive Local Exchange Carrier 12 verizon.com
026K Barr Tell USA LLC Long Beach, NY Competitive Local Exchange Carrier 11 barrtell.com
321J HD Carrier LLC Henderson, NV IP-Enabled Service / VoIP 10 hdcarrier.com
7718 Level 3 Telecom of California LP - CA Littleton, CO Competitive Local Exchange Carrier 10 centurylink.com
707H Integrated Path Communications LLC - CA Hillsdale, NY Competitive Local Exchange Carrier 8 ipc-llc.com
4129 O1 Communications Inc - CA Sacramento, CA Competitive Local Exchange Carrier 5 tpx.com
508J CenturyLink Communications LLC Littleton, CO IP-Enabled Service / VoIP 4 centurylink.com
732J NUSO LLC University City, MO IP-Enabled Service / VoIP 3 brightlink.com
996H Airespring Inc Van Nuys, CA IP-Enabled Service / VoIP 3 airespring.com
0051 Shelcomm Baldwin Park, CA Wireless Carrier 2
222H Local Access Services LLC - CA Windermere, FL Competitive Local Exchange Carrier 2
597F VOIP Innovations LLC Pittsburgh, PA IP-Enabled Service / VoIP 1 voipstreet.com
993B Curatel LLC - CA Los Angeles, CA Underlying Local Exchange Carrier 1 curatel.com