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Area Code 403
Telephone Central Office Building Pictures

The following are representative examples of telephone central office buildings in Area Codes 403 (with overlay Area Codes 368, 587, and 825) (Southeast Alberta).

Click on the pictures below for a larger version.


 

Airdrie
 

Listing Updated:
June 2021

Operating Company:
Telus/Alberta Government Telephones

CLLI:
ARDRAB02RS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 912, 945, 948
(587) 254, 449, 775

Notes:
Source: GSV

 

 

Banff

Photo 2 | Photo 3 | Photo 4

Photo 5 | Photo 6
 

Listing Updated:
June 2021

Operating Company:
Telus/Alberta Government Telephones

CLLI:
BNFFAB01RS0

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(403) 760, 762, 763

Notes:
Current photo: GSV. Photos 2-6 from September 2019. Notice the Northern Telecom Centurion pay phone outside of the central office.

 

 

Brooks
 

Listing Updated:
May 2012

Operating Company:
Telus/Alberta Government Telephones

CLLI:
BRKSAB01CG1

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(403) 362-3, 501, 793-4
(825) 470

Notes:
Source: GSV

 

 

Calgary

"Main 01"


 

Listing Updated:
May 2022

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB01CG2

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 216, 221, 260, 267, 299, 500, 503, 509, 530, 532, 662-3, 974
(587) 296, 535, 538, 617
(825) 513

Notes:
Source: GSV

 

 

Calgary

"Main 21"


 

Listing Updated:
June 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB21DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 206, 213, 218, 232, 234, 261-5, 268, 290, 294, 303, 384, 428, 513-5, 661, 699, 716, 718, 750, 766-7, 781, 817
(587) 233, 476, 480, 955-6
(825) 413-5, 509

Notes:
Source: GSV

 

 

Calgary

"Airways"
 

Listing Updated:
June 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB61CG0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 219, 250, 291, 717, 735-6, 739
(587) 232
(825) 408

Notes:
Source: GSV

 

 

Calgary

"Bonavista"
 

Listing Updated:
June 2022

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB14RS0

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(403) 225, 271, 278, 523

Notes:
Source: GSV

 

 

Calgary

"Bowness"
 

Listing Updated:
May 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB09DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 202, 247, 286, 288
(587) 231
(825) 393

Notes:
Source: GSV

 

 

Calgary

"Capitol Hill"
 

Listing Updated:
June 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB04CG0

Switch Type:
Nokia/Alcatel/Lucent/Automatic Electric GTD5-EAX

Prefixes Served:
(403) 210, 220, 282, 284, 289, 338, 696, 955
(825) 210

Notes:
Source: GSV

 

 

Calgary

"Country Hills"
 

Listing Updated:
May 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRABBJRS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 226, 567

Notes:
Source: GSV

 

 

Calgary

"Crescent Heights"
 

Listing Updated:
June 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB46RS0

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(403) 230, 276-7, 520, 765

Notes:
Source: GSV

 

 

Calgary

"Crowchild"
 

Listing Updated:
August 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB33DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 208, 239, 241, 374-5, 547
(825) 710

Notes:
Source: GSV

 

 

Calgary

"Elbow Park"
 

Listing Updated:
October 2020

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB07RS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 214

Notes:
Source: GSV

 

 

Calgary

"Forest Lawn"
 

Listing Updated:
June 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB10DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 204, 207, 235, 248, 272-3, 365, 387, 569
(587) 470, 496

Notes:
Source: GSV

 

 

Calgary

"Hillhurst"
 

Listing Updated:
August 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB31RS0

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(403) 270, 283, 521, 656, 670

Notes:
Source: GSV

 

 

Calgary

"Huntington Hills"
 

Listing Updated:
June 2022

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB13DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 274-5, 295, 516, 730-1
(587) 230, 619, 755
(825) 222

Notes:
Source: GSV

 

 

Calgary

"Killarney"
 

Listing Updated:
October 2020

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB02DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 217, 240, 242, 246, 249, 685-6, 727
(587) 483, 864

Notes:
Source: GSV

 

 

Calgary

"Kingsland"
 

Listing Updated:
June 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB12DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 212, 252-3, 255, 258-9, 301, 319, 385-6, 640, 692
(587) 291, 295

Notes:
Source: GSV

 

 

Calgary

"Mckenzie"
 

Listing Updated:
July 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRABATRS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 257, 726

Notes:
Source: GSV

 

 

Calgary

"Mount Royal"
 

Listing Updated:
April 2021

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB06DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 209, 228-9, 244-5, 367, 541, 802, 806, 943-4
(587) 533
(825) 205

Notes:
Source: GSV

 

 

Calgary

"Oakridge"
 

Listing Updated:
June 2022

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB15RS0

Switch Type:
Remote Switch (unknown type)

Prefixes Served:
(403) 238, 251, 281

Notes:
Source: GSV

 

 

Calgary

"Ogden"
 

Listing Updated:
July 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB38DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 203, 236, 279, 570, 720, 723-4
(587) 471, 620
(825) 407

Notes:
Source: GSV

 

 

Calgary

"Shawnessy"
 

Listing Updated:
August 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB49DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 201, 254, 256, 873
(587) 481, 625

Notes:
Source: GSV

 

 

Calgary

"Temple"
 

Listing Updated:
May 2009

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CLGRAB22DS0

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 280, 285, 293, 568, 590, 798
(587) 472, 623
(825) 910

Notes:
Source: GSV

 

 

Canmore
 

Listing Updated:
June 2022

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CNMRAB02RS0

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 609, 678-9
(825) 909

Notes:
Source: GSV

 

 

Cochrane
 

Listing Updated:
July 2018

Operating Company:
Telus/Alberta Government Telephones

CLLI:
CCHRAB01RS3

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 851, 932
(587) 493

Notes:
Source: GSV

 

 

High River
 

Listing Updated:
August 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
HIRVAB01RS3

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 601, 603, 652
(825) 212

Notes:
Source: GSV

 

 

Lethbridge
 

Listing Updated:
June 2022

Operating Company:
Telus/Alberta Government Telephones

CLLI:
LTBRAB02CG2

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 308, 315, 317, 320, 327-32, 359, 380-2, 394
(587) 486
(825) 399

Notes:
Source: GSV

 

 

Medicine Hat
 

Listing Updated:
July 2018

Operating Company:
Telus/Alberta Government Telephones

CLLI:
MDHTAB02CG1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 502, 504, 525-9, 548, 580-2
(587) 554
(825) 406

Notes:
Source: GSV

 

 

Okotoks
 

Listing Updated:
August 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
OKTKAB02RS3

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 938, 995
(587) 757

Notes:
Source: GSV

 

 

Red Deer
 

Listing Updated:
September 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
RDDRAB01CG1

Switch Type:
Ribbon/Genband/Nortel DMS-100

Prefixes Served:
(403) 302, 304, 309, 314, 340-3, 346-8, 350, 352, 356-8, 391, 406
(587) 457
(825) 221, 469

Notes:
Source: GSV

 

 

Strathmore
 

Listing Updated:
July 2023

Operating Company:
Telus/Alberta Government Telephones

CLLI:
STMRAB01RS3

Switch Type:
Ribbon/Genband/Nortel RSC

Prefixes Served:
(403) 361, 901-2, 934

Notes:
Source: GSV

 

Visit other Alberta Area Codes: 403 780

Visit nearby regions: British Columbia Montana Northwest Territories/Yukon/Nunavut Saskatchewan


Copyright 2023 Telephone Central Office Building Pictures
Page last modified December 29, 2023
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