National Phone Number Registry NPNR

Phone Number Area Code 331

Area code 331 is located in Illinois.

(331)
Enter 7-digit phone number for area code 331 or the complete 10-digit phone number

Phone Prefixes for Area Code 331

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Area code Location Company / Service Provider
331-200 BARTLETT, IL T-MOBILE USA, INC.
331-201 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-202 ELMHURST, IL SPRINT SPECTRUM L.P.
331-203 AURORA, IL SPRINT SPECTRUM L.P.
331-205 AURORA, IL T-MOBILE USA, INC.
331-206 AURORA, IL SPRINT SPECTRUM L.P.
331-207 YORKVILLE, IL LEVEL 3 COMMUNICATIONS, LLC - IL
331-208 AURORA, IL SPRINT SPECTRUM L.P.
331-209 ELMHURST, IL LEVEL 3 COMMUNICATIONS, LLC - IL
331-210 ST CHARLES, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
331-212 AURORA, IL MCI WORLDCOM COMMUNICATIONS, INC. - IL
331-213 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-214 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-215 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-216 OSWEGO, IL NEW CINGULAR WIRELESS PCS, LLC - IL
331-218 WHEATON, IL T-MOBILE USA, INC.
331-220 AURORA, IL SPRINT SPECTRUM L.P.
331-221 ELMHURST, IL AMERITECH ILLINOIS
331-222 ST CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
331-223 ST CHARLES, IL NEW CINGULAR WIRELESS PCS, LLC - IL
331-225 ELMHURST, IL SPRINT SPECTRUM L.P.
331-228 ST CHARLES, IL OVATION COMMUNICATIONS OF ILLINOIS, INC.
331-229 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-234 SUGARGROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-240 W CHICAGO, IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
331-245 BARTLETT, IL T-MOBILE USA, INC.
331-248 GENEVA, IL COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
331-250 AURORA, IL T-MOBILE USA, INC.
331-251 DOWNERS GROVE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-253 LEMONT, IL T-MOBILE USA, INC.
331-254 SUGARGROVE, IL T-MOBILE USA, INC.
331-256 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-262 AURORA, IL SPRINT SPECTRUM L.P.
331-276 ST CHARLES, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-281 NAPERVILLE, IL AMERITECH ILLINOIS
331-301 AURORA, IL LOCAL ACCESS LLC - IL
331-302 AURORA, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-303 ELBURN, IL CIBOLO CREEK VENTURES, LLC DBA ROUTEPOINT COMM IL
331-304 BARTLETT, IL T-MOBILE USA, INC.
331-305 NAPERVILLE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-307 LOMBARD, IL T-MOBILE USA, INC.
331-308 BARTLETT, IL BANDWIDTH.COM CLEC, LLC - IL
331-310 BIG ROCK, IL BANDWIDTH.COM CLEC, LLC - IL
331-318 LEMONT, IL LOCAL ACCESS LLC - IL
331-330 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
331-332 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
331-333 NAPERVILLE, IL NEW CINGULAR WIRELESS PCS, LLC - IL
331-422 ST CHARLES, IL LEVEL 3 COMMUNICATIONS, LLC - IL
331-425 AURORA, IL T-MOBILE USA, INC.
331-431 AURORA, IL BANDWIDTH.COM CLEC, LLC - IL

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