Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

Block: A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-200 A San Francisco: Central DA CA SNFCCAMKX6Y  515J IP HORIZON LLC 722      
415-201 A San Francisco: Central DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-202 A San Francisco: Central DA CA SNFCCA12DS1  9740 PACIFIC BELL 722      
415-203 A San Francisco: Central DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-204 A San Francisco: Central DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-205 A San Francisco: Central DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-206 A San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722      
415-207 A San Francisco: Central DA CA SNFCCA21XEZ  6630 SPOK, INC. 722      
415-208 A Novato CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2026-09-18   
415-209 A Novato CA NOVTCAXFDS0  2319 FRONTIER CALIFORNIA INC. 722      
415-210 A San Francisco: Central DA CA SNFCCA21XEZ  6630 SPOK, INC. 722      
415-212 A San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-213 A San Francisco: Montrose-Evergreen DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
415-214 A San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-215 A San Francisco: Central DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-216 A San Francisco: Central DA CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-217 A San Francisco: Central DA CA SNFCCA01DS1  9740 PACIFIC BELL 722      
415-218 A San Francisco: Central DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-219 A San Francisco: Central DA CA SNFCCA21XEZ  6630 SPOK, INC. 722      
415-220 A San Francisco: Central DA CA SNFCCA21XEZ  6630 SPOK, INC. 722      
415-221 A San Francisco: Montrose-Evergreen DA CA SNFCCA13DS0  9740 PACIFIC BELL 722      
415-222 A San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722      
415-223 A San Rafael CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-224 A San Francisco: Central DA CA SNFCCA21XEZ  6630 SPOK, INC. 722      
415-225 A San Francisco: Central DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-226 A San Rafael CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-227 A San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722      
415-228 A San Francisco: Central DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-229 A San Francisco: Central DA CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-230 A San Francisco: Central DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-231 A San Francisco: Montrose-Evergreen DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-232 A San Francisco: Central DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-233 A San Rafael CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-234 A Ignacio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-235 A San Francisco: Central DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-236 A Inverness CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-237 A Inverness CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-238 A San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-239 A San Francisco: Juniper DA CA SNFCCA06DS0  9740 PACIFIC BELL 722      
415-240 A San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-241 A San Francisco: Central DA CA SNFCCA04DS0  9740 PACIFIC BELL 722      
415-242 A San Francisco: Montrose-Evergreen DA CA SNFCCA14DS0  9740 PACIFIC BELL 722      
415-243 A San Francisco: Central DA CA SNFCCA21DS1  9740 PACIFIC BELL 722      
415-244 A San Francisco: Central DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-245 A San Francisco: Central DA CA SNFCCA21XEZ  6630 SPOK, INC. 722      
415-246 A Novato CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-247 A San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722      
415-248 A San Francisco: Central DA CA SNFCCA01DS0  9740 PACIFIC BELL 722      
415-249 A San Francisco: Central DA CA SNFCCA01DS0  9740 PACIFIC BELL 722      
415-250 A San Rafael CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.