National Phone Number Registry NPNR

Area Code 815 Location

Area code 815 is currently assigned for use in Illinois since Jan 01, 1947. View all phone prefixes used in area code 815 or other area codes in Illinois.

(815)
Enter 7-digit phone number for area code 815 or the complete 10-digit phone number

Phone Prefixes for Area Code 815

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Area code Location Company / Service Provider
815-200 LA SALLE, IL PAETEC COMMUNICATIONS, INC. - IL
815-201 SHERIDAN, IL BANDWIDTH.COM CLEC, LLC - IL
815-202 OGLESBY, IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-203 JOLIET, IL USA MOBILITY WIRELESS, INC.
815-204 CRYSTAL LAKE, IL USA MOBILITY WIRELESS, INC.
815-205 COAL CITY, IL CENTURYLINK COMMUNICATIONS LLC
815-206 WOODSTOCK, IL AMERITECH ILLINOIS
815-207 JOLIET, IL AT&T LOCAL
815-208 FULTON, IL MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL
815-209 ROCKFORD, IL LEVEL 3 COMMUNICATIONS, LLC - IL
815-210 JOLIET, IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-212 JOLIET, IL T-MOBILE USA, INC.
815-213 STERLING, IL UNITED STATES CELLULAR CORP. - ILLINOIS
815-214 KANKAKEE, IL RCN TELECOM SERVICES OF ILLINOIS, INC. - IL
815-215 NEW LENOX, IL FIRST COMMUNICATIONS LLC - IL
815-216 KANKAKEE, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
815-217 DE KALB, IL DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL
815-218 ROCKFORD, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
815-219 CRYSTAL LAKE, IL SPRINT SPECTRUM L.P.
815-220 LA SALLE, IL AMERITECH ILLINOIS
815-221 LOCKPORT, IL TELEPORT COMMUNICATIONS AMERICA, LLC - IL
815-222 ROCKFORD, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
815-223 LA SALLE, IL AMERITECH ILLINOIS
815-224 LA SALLE, IL AMERITECH ILLINOIS
815-225 Milledgeville, IL CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
815-226 ROCKFORD, IL AMERITECH ILLINOIS
815-227 ROCKFORD, IL AMERITECH ILLINOIS
815-228 OGLESBY, IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-229 ROCKFORD, IL AMERITECH ILLINOIS
815-230 PLAINFIELD, IL BROADWING COMMUNICATIONS, LLC - IL
815-231 ROCKFORD, IL AMERITECH ILLINOIS
815-232 FREEPORT, IL FRONTIER NORTH, INC. - IL
815-233 FREEPORT, IL FRONTIER NORTH, INC. - IL
815-234 BYRON, IL FRONTIER NORTH, INC. - IL
815-235 FREEPORT, IL FRONTIER NORTH, INC. - IL
815-236 WOODSTOCK, IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-237 GARDNER, IL AMERITECH ILLINOIS
815-238 FREEPORT, IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
815-239 PECATONICA, IL FRONTIER NORTH, INC. - IL
815-240 ROCK CUT, IL CHARTER FIBERLINK - ILLINOIS, LLC - IL
815-241 NORTHBROOK, IL AMERICAN MESSAGING SERVICES, LLC
815-242 MINOOKA, IL BANDWIDTH.COM CLEC, LLC - IL
815-243 ROCKFORD, IL UNITED STATES CELLULAR CORP. - ILLINOIS
815-244 MT CARROLL, IL GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK
815-245 WOODSTOCK, IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-246 EARLVILLE, IL FRONTIER NORTH, INC. - IL
815-247 SEWARD, IL FRONTIER NORTH, INC. - IL
815-248 DURAND, IL FRONTIER NORTH, INC. - IL
815-249 Grand Ridge, IL FRONTIER NORTH, INC. - IL
815-250 LA SALLE, IL COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
815 Area Code Information
Type of code: General Purpose Code
Location: IL - US
Time zone: C
Assigned for use: Yes
Code in service: Yes
Service date: January 01, 1947
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): 354
Overlay code: Yes
Overlay complex: 815/779
Dialing plan Standard Permissive
Home local calls: 1+10D NA
Foreign local calls: 1+10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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