National Phone Number Registry NPNR

(720)
Enter 7-digit phone number for area code 720 or the complete 10-digit phone number

Phone Prefixes for Area Code 720

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Area code Location Company / Service Provider
720-200 DENVER, CO QWEST CORPORATION
720-201 DENVER, CO NEW CINGULAR WIRELESS PCS, LLC
720-202 DENVER, CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-203 DENVER, CO SPRINT SPECTRUM L.P.
720-204 LONGMONT, CO AT&T LOCAL
720-205 DENVER, CO SPRINT SPECTRUM L.P.
720-206 DENVER, CO XO COLORADO, LLC
720-207 DENVER, CO XO COLORADO, LLC
720-208 DENVER, CO XO COLORADO, LLC
720-209 DENVER, CO SPRINT SPECTRUM L.P.
720-210 DENVER, CO XO COLORADO, LLC
720-212 DENVER, CO XO COLORADO, LLC
720-213 DENVER, CO MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
720-214 DENVER, CO MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
720-215 DENVER, CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-216 DENVER, CO TELEPORT COMMUNICATIONS AMERICA, LLC - CO
720-217 DENVER, CO T-MOBILE USA, INC.
720-218 DENVER, CO SPRINT SPECTRUM L.P.
720-219 DENVER, CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-220 DENVER, CO T-MOBILE USA, INC.
720-221 DENVER, CO XO COLORADO, LLC
720-222 DENVER, CO XO COLORADO, LLC
720-223 BRIGHTON, CO XO COLORADO, LLC
720-224 DENVER, CO XO COLORADO, LLC
720-225 DENVER, CO XO COLORADO, LLC
720-226 DENVER, CO XO COLORADO, LLC
720-227 DENVER, CO XO COLORADO, LLC
720-228 DENVER, CO XO COLORADO, LLC
720-229 DENVER, CO XO COLORADO, LLC
720-230 BRIGHTON, CO XO COLORADO, LLC
720-231 DENVER, CO T-MOBILE USA, INC.
720-232 DENVER, CO SPRINT SPECTRUM L.P.
720-233 DENVER, CO SPRINT SPECTRUM L.P.
720-234 DENVER, CO SPRINT SPECTRUM L.P.
720-235 DENVER, CO SPRINT SPECTRUM L.P.
720-236 DENVER, CO SPRINT SPECTRUM L.P.
720-237 DENVER, CO NEW CINGULAR WIRELESS PCS, LLC
720-238 DENVER, CO T-MOBILE USA, INC.
720-239 DENVER, CO AT&T LOCAL
720-240 DENVER, CO XO COLORADO, LLC
720-241 DENVER, CO XO COLORADO, LLC
720-242 DENVER, CO QWEST CORPORATION
720-243 DENVER, CO NEW CINGULAR WIRELESS PCS, LLC
720-244 DENVER, CO NEW CINGULAR WIRELESS PCS, LLC
720-245 DENVER, CO ESCHELON TELECOM OF COLORADO, INC. - CO
720-246 DENVER, CO XO COLORADO, LLC
720-247 BRIGHTON, CO XO COLORADO, LLC
720-248 DENVER, CO CBEYOND COMMUNICATIONS, LLC - CO
720-249 DENVER, CO XO COLORADO, LLC
720-250 DENVER, CO XO COLORADO, LLC
New numbers being added to 720 area code
Effective: 07/26/2017
720-510 in DENVER, CO
COMCAST PHONE OF COLORADO, LLC - CO
Effective: 07/24/2017
720-586 in DENVER, CO
METRO PCS, INC.
Effective: 08/12/2017
720-795 in DENVER, CO
CENTURYLINK COMMUNICATIONS LLC
Effective: 06/29/2017
720-908 in DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720 Area Code Information
Type of code: General Purpose Code
Location: CO - US
Time zone: M
Assigned for use: Yes
Code in service: Yes
Service date: June 01, 1998
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 117
Overlay code: Yes
Overlay complex: 303/720
Dialing plan Standard Permissive
Home local calls: 10D 1+10D
Foreign local calls: 10D 1+10D
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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