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Area Code 720

There are 772 phone number prefixes within area code 720. Additionally, there are more than 9,600 phone numbers in this area code that have received at least one user report. The location of calls from area code 720 is Colorado, USA. Most numbers in this area code are in US Mountain time, where the time is currently 2:46:01 AM on March 29, 2024.
 
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.

Prefix City / State Primary Telco
720-300 Denver, CO Sprint Spectrum, L.p.
720-301 Denver, CO Sprint Spectrum, L.p.
720-302 Denver, CO Teleport Communications America, Llc - Co
720-303 Colorado
720-304 Denver, CO Qwest Corporation
720-305 Denver, CO Level 3 Telecom Of Colorado, Llc - Co
720-306 Denver, CO Electric Lightwave Llc Dba Allstream
720-307 Allenspark-lyons, CO At&t - Local
720-308 Denver, CO New Cingular Wireless Pcs, Llc
720-309 Denver, CO New Cingular Wireless Pcs, Llc
720-310 Allenspark-lyons, CO Teleport Communications America, Llc - Co
720-311 Colorado
720-312 Denver, CO Sprint Spectrum, L.p.
720-313 Denver, CO Sprint Spectrum, L.p.
720-314 Denver, CO Sprint Spectrum, L.p.
720-315 Denver, CO Onvoy, Llc - Co
720-316 Denver, CO Bandwidth.com Clec, Llc - Co
720-317 Denver, CO Sprint Spectrum, L.p.
720-318 Denver, CO Sprint Spectrum, L.p.
720-319 Denver, CO Sprint Spectrum, L.p.
720-320 Denver, CO New Cingular Wireless Pcs, Llc
720-321 Denver, CO Qwest Corporation
720-322 Denver, CO Qwest Corporation
720-323 Denver, CO T-mobile Usa, Inc.
720-324 Denver, CO Comcast Ip Phone, Llc
720-325 Denver, CO T-mobile Usa, Inc.
720-326 Denver, CO New Cingular Wireless Pcs, Llc
720-327 Denver, CO New Cingular Wireless Pcs, Llc
720-328 Denver, CO Comcast Ip Phone, Llc
720-329 Denver, CO New Cingular Wireless Pcs, Llc
720-330 Denver, CO Level 3 Communications, Llc - Co
720-331 Denver, CO Sprint Spectrum, L.p.
720-332 Denver, CO Mcimetro Access Transmission Services Llc
720-333 Denver, CO Sprint Spectrum, L.p.
720-334 Denver, CO Sprint Spectrum, L.p.
720-335 Denver, CO Sprint Spectrum, L.p.
720-336 Keenesburg, CO Bandwidth.com Clec, Llc - Co
720-337 Denver, CO Qwest Corporation
720-338 Denver, CO New Cingular Wireless Pcs, Llc
720-339 Denver, CO Sprint Spectrum, L.p.
720-340 Longmont, CO Cellco Partnership Dba Verizon Wireless - Co
720-341 Denver, CO T-mobile Usa, Inc.
720-342 Denver, CO Teleport Communications America, Llc - Co
720-343 Denver, CO Level 3 Communications, Llc - Co
720-344 Denver, CO Qwest Corporation
720-345 Denver, CO Zippytech Incorporated
720-346 Denver, CO Cellco Partnership Dba Verizon Wireless - Co
720-347 Denver, CO Level 3 Telecom Of Colorado, Llc - Co
720-348 Denver, CO Qwest Corporation
720-349 Denver, CO Teleport Communications America, Llc - Co
720-350 Denver, CO Sprint Spectrum, L.p.
720-351 Denver, CO Sprint Spectrum, L.p.
720-352 Denver, CO T-mobile Usa, Inc.
720-353 Denver, CO Sprint Spectrum, L.p.
720-354 Denver, CO Level 3 Telecom Of Colorado, Llc - Co
720-355 Denver, CO Cellco Partnership Dba Verizon Wireless - Co
720-356 Denver, CO At&t - Local
720-357 Denver, CO New Cingular Wireless Pcs, Llc
720-358 Hudson, CO Mcimetro Access Transmission Services Llc
720-359 Denver, CO Qwest Corporation
720-360 Denver, CO New Cingular Wireless Pcs, Llc
720-361 Denver, CO Electric Lightwave Llc Dba Allstream
720-362 Denver, CO Qwest Corporation
720-363 Denver, CO Sprint Spectrum, L.p.
720-364 Denver, CO New Cingular Wireless Pcs, Llc
720-365 Denver, CO New Cingular Wireless Pcs, Llc
720-366 Denver, CO New Cingular Wireless Pcs, Llc
720-367 Denver, CO Xo Colorado, Llc
720-368 Denver, CO Xo Colorado, Llc
720-369 Denver, CO New Cingular Wireless Pcs, Llc
720-370 Denver, CO Bandwidth.com Clec, Llc - Co
720-371 Denver, CO Sprint Spectrum, L.p.
720-372 Denver, CO T-mobile Usa, Inc.
720-373 Denver, CO Sprint Spectrum, L.p.
720-374 Denver, CO Qwest Corporation
720-375 Denver, CO Commnet Wireless, Llc
720-376 Denver, CO Electric Lightwave Llc Dba Allstream
720-377 Denver, CO Xo Colorado, Llc
720-378 Longmont, CO New Cingular Wireless Pcs, Llc
720-379 Denver, CO Level 3 Communications, Llc - Co
720-380 Denver, CO Sprint Spectrum, L.p.
720-381 Denver, CO Comcast Ip Phone, Llc
720-382 Denver, CO Electric Lightwave Llc Dba Allstream
720-383 Fort Lupton, CO Cellco Partnership Dba Verizon Wireless - Co
720-384 Denver, CO Xo Colorado, Llc
720-385 Denver, CO Xo Colorado, Llc
720-386 Georgetown, CO Bandwidth.com Clec, Llc - Co
720-387 Denver, CO Level 3 Telecom Of Colorado, Llc - Co
720-388 Denver, CO Cellco Partnership Dba Verizon Wireless - Co
720-389 Denver, CO Xo Colorado, Llc
720-390 Denver, CO Iloka, Inc. Dba Newcloud Networks - Co
720-391 Denver, CO Cellco Partnership Dba Verizon Wireless - Co
720-392 Deer Trail, CO Ymax Communications Corp. - Co
720-393 Denver, CO Level 3 Telecom Of Colorado, Llc - Co
720-394 Denver, CO T-mobile Usa, Inc.
720-395 Denver, CO At&t - Local
720-396 Denver, CO At&t - Local
720-397 Denver, CO At&t - Local
720-398 Denver, CO New Cingular Wireless Pcs, Llc
720-399 Denver, CO Level 3 Communications, Llc - Co

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