Enter 10 Digit Phone Number

Area Code 331

Illinois (IL) Area Code 331 Lombard

Prefix	Carrier
331-200-####	T-MOBILE USA, INC.
331-201-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-202-####	SPRINT SPECTRUM L.P.
331-203-####	SPRINT SPECTRUM L.P.
331-205-####	T-MOBILE USA, INC.
331-206-####	SPRINT SPECTRUM L.P.
331-207-####	LEVEL 3 COMMUNICATIONS, LLC - IL
331-208-####	SPRINT SPECTRUM L.P.
331-209-####	LEVEL 3 COMMUNICATIONS, LLC - IL
331-210-####	PEERLESS NETWORK OF ILLINOIS, LLC - IL
331-212-####	MCI WORLDCOM COMMUNICATIONS, INC. - IL
331-213-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-214-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-215-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-216-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-218-####	T-MOBILE USA, INC.
331-220-####	SPRINT SPECTRUM L.P.
331-221-####	AMERITECH ILLINOIS
331-222-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-223-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-225-####	SPRINT SPECTRUM L.P.
331-228-####	OVATION COMMUNICATIONS OF ILLINOIS, INC.
331-229-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-234-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-240-####	PEERLESS NETWORK OF ILLINOIS, LLC - IL
331-245-####	T-MOBILE USA, INC.
331-248-####	COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
331-250-####	T-MOBILE USA, INC.
331-251-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-253-####	T-MOBILE USA, INC.
331-254-####	T-MOBILE USA, INC.
331-256-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-262-####	SPRINT SPECTRUM L.P.
331-276-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-281-####	AMERITECH ILLINOIS
331-301-####	LOCAL ACCESS LLC - IL
331-302-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-303-####	CIBOLO CREEK VENTURES, LLC DBA ROUTEPOINT COMM IL
331-304-####	T-MOBILE USA, INC.
331-305-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-307-####	T-MOBILE USA, INC.
331-308-####	BANDWIDTH.COM CLEC, LLC - IL
331-310-####	BANDWIDTH.COM CLEC, LLC - IL
331-318-####	LOCAL ACCESS LLC - IL
331-321-####	T-MOBILE USA, INC.
331-330-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-332-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-333-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-422-####	LEVEL 3 COMMUNICATIONS, LLC - IL
331-425-####	T-MOBILE USA, INC.
331-431-####	BANDWIDTH.COM CLEC, LLC - IL
331-442-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-444-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-452-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-454-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-456-####	FIRST COMMUNICATIONS LLC - IL
331-457-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-462-####	XO ILLINOIS, INC.
331-465-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-472-####	T-MOBILE USA, INC.
331-481-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-551-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-575-####	SPRINT SPECTRUM L.P.
331-588-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-625-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-642-####	BANDWIDTH.COM CLEC, LLC - IL
331-643-####	SPRINT SPECTRUM L.P.
331-645-####	SPRINT SPECTRUM L.P.
331-684-####	SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE
331-701-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-702-####	MCI WORLDCOM COMMUNICATIONS, INC. - IL
331-703-####	T-MOBILE USA, INC.
331-704-####	BANDWIDTH.COM CLEC, LLC - IL
331-725-####	NEW CINGULAR WIRELESS PCS, LLC - IL
331-777-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-801-####	TELEPORT COMMUNICATIONS AMERICA, LLC - IL
331-803-####	PEERLESS NETWORK OF ILLINOIS, LLC - IL
331-806-####	COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
331-808-####	BANDWIDTH.COM CLEC, LLC - IL
331-814-####	T-MOBILE USA, INC.
331-825-####	DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL
331-826-####	SPRINT SPECTRUM L.P.
331-888-####	PEERLESS NETWORK OF ILLINOIS, LLC - IL
331-901-####	BANDWIDTH.COM CLEC, LLC - IL
331-903-####	SBC INTERNET SERVICES, INC.
331-979-####	COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
331-980-####	T-MOBILE USA, INC.
331-998-####	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
331-999-####	BANDWIDTH.COM CLEC, LLC - IL